diff --git a/tasks/shvetsova_k_max_diff_neig_vec/common/include/common.hpp b/tasks/shvetsova_k_max_diff_neig_vec/common/include/common.hpp
new file mode 100644
index 000000000..3df978348
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/common/include/common.hpp
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "task/include/task.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+using InType = std::vector<double>;
+using OutType = std::pair<double, double>;
+using TestType = std::string;
+using BaseTask = ppc::task::Task<InType, OutType>;
+
+}  // namespace shvetsova_k_max_diff_neig_vec
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test1.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test1.txt
new file mode 100644
index 000000000..a0624a67a
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test1.txt
@@ -0,0 +1,197 @@
+100000000.0 1
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diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test10.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test10.txt
new file mode 100644
index 000000000..072c2da77
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test10.txt
@@ -0,0 +1,2 @@
+0 10
+0 10
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test2.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test2.txt
new file mode 100644
index 000000000..dbd7d1682
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test2.txt
@@ -0,0 +1,205 @@
+450000000 0 
+15 0 14 11 22 3 6 5 9.8 52 500 2222 123 56 21 25 0 28 9.56 3 220 541 54.8 215 252 20 
+14 11 2.2 3 6 22.12 126 56 21 52 500 11 111.111 1.3 2.33 -56 189 236 958 623 203
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diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test3.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test3.txt
new file mode 100644
index 000000000..9d871e1ad
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test3.txt
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\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test4.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test4.txt
new file mode 100644
index 000000000..cf2d7b0af
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test4.txt
@@ -0,0 +1,197 @@
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diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test5.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test5.txt
new file mode 100644
index 000000000..7c97d9c05
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test5.txt
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+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11.6 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 1345678.5 2678912.8 -4789123.1
+1 12 172.1 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 -892345.25 1256789.0 3567891.5 -4123456.75 
+5876543.2 6921876.9 -1234567.8 2345678.3 8456721.1 1567890.4 -3456789.6 
+4789123.7 8123456.2 -9567891.3 1345678.5 2678912.8 -4789123.1 5891234.6 7234567.9
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11.6 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 1345678.5 2678912.8 -4789123.1
+1 12 172.1 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
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+891 445 165 6 11 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 -892345.25 1256789.0 3567891.5 -4123456.75 
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+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11.6 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 1345678.5 2678912.8 -4789123.1
+1 12 172.1 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 -892345.25 1256789.0 3567891.5 -4123456.75 
+5876543.2 6921876.9 -1234567.8 2345678.3 8456721.1 1567890.4 -3456789.6 
+4789123.7 8123456.2 -9567891.3 1345678.5 2678912.8 -4789123.1 5891234.6 7234567.9
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11.6 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 1345678.5 2678912.8 -4789123.1
+1 12 172.1 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 -892345.25 1256789.0 3567891.5 -4123456.75 
+5876543.2 6921876.9 -1234567.8 2345678.3 8456721.1 1567890.4 -3456789.6 
+4789123.7 8123456.2 -9567891.3 1345678.5 2678912.8 -4789123.1 5891234.6 7234567.9
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
+780 141 788.9 99 74 521 323 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+891 445 165 6 11.6 65 126 52467456 84 190 87 55.6 491 4665 1.7 66 316 561 436
+4 15 687 48 54.6 182 46 54 298 375 629 84.7 3608 716 404.6 732 8 54 
+6425 9783 657 46 15432.7 1345678.5 2678912.8 -4789123.1
+1 12 172.1 13 12 1 45 14 78 1.99 36.7 89.1 77 789 13 123
+145 64.8 79 4 156 1 32 150 4.7 84.7 847 807 8400 78.4 781 707.8 41 
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test6.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test6.txt
new file mode 100644
index 000000000..beaf109c7
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test6.txt
@@ -0,0 +1,2 @@
+0.0 0.0
+1
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test7.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test7.txt
new file mode 100644
index 000000000..8bf0fc65f
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test7.txt
@@ -0,0 +1,12 @@
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1
+1.1 1.1 
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test8.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test8.txt
new file mode 100644
index 000000000..b8f1ed101
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test8.txt
@@ -0,0 +1,2 @@
+0 10 
+0 10 1 2 3 4 5 6
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/data/test9.txt b/tasks/shvetsova_k_max_diff_neig_vec/data/test9.txt
new file mode 100644
index 000000000..58417e3c4
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/data/test9.txt
@@ -0,0 +1 @@
+0.0 0.0
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/info.json b/tasks/shvetsova_k_max_diff_neig_vec/info.json
new file mode 100644
index 000000000..70eac8f66
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/info.json
@@ -0,0 +1,9 @@
+{
+  "student": {
+    "first_name": "Ксения",
+    "last_name": "Швецова",
+    "middle_name": "Алексеевна",
+    "group_number": "3823Б1ФИ1",
+    "task_number": "1"
+  }
+}
\ No newline at end of file
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp b/tasks/shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp
new file mode 100644
index 000000000..c3278939a
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <array>
+#include <vector>
+
+#include "shvetsova_k_max_diff_neig_vec/common/include/common.hpp"
+#include "task/include/task.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+class ShvetsovaKMaxDiffNeigVecMPI : public BaseTask {
+ public:
+  static constexpr ppc::task::TypeOfTask GetStaticTypeOfTask() {
+    return ppc::task::TypeOfTask::kMPI;
+  }
+  explicit ShvetsovaKMaxDiffNeigVecMPI(const InType &in);
+
+ private:
+  std::vector<double> data_;
+  bool ValidationImpl() override;
+  bool PreProcessingImpl() override;
+  bool RunImpl() override;
+  bool PostProcessingImpl() override;
+
+  // Доп функции
+  static void CreateDistribution(int count_of_proc, int size_of_vector, std::vector<int> &count_elems,
+                                 std::vector<int> &ind, int rank);
+  static int WinnerRank(const std::vector<double> &all_diffs, int count_of_proc, int rank);
+  static void CollectGlobalPair(int winner_rank, double local_a, double local_b, std::array<double, 2> &result_pair,
+                                int count_of_proc);
+  static void ProcessBoundaries(int count_of_proc, int rank, const std::vector<double> &part, int part_size,
+                                double &local_diff, double &local_a, double &local_b);
+};
+
+}  // namespace shvetsova_k_max_diff_neig_vec
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/mpi/src/ops_mpi.cpp b/tasks/shvetsova_k_max_diff_neig_vec/mpi/src/ops_mpi.cpp
new file mode 100644
index 000000000..1b7879947
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/mpi/src/ops_mpi.cpp
@@ -0,0 +1,171 @@
+#include "shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp"
+
+#include <mpi.h>
+
+#include <algorithm>
+#include <array>
+#include <cmath>
+#include <cstddef>
+#include <utility>
+#include <vector>
+
+#include "shvetsova_k_max_diff_neig_vec/common/include/common.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+ShvetsovaKMaxDiffNeigVecMPI::ShvetsovaKMaxDiffNeigVecMPI(const InType &in) {
+  SetTypeOfTask(GetStaticTypeOfTask());
+  GetInput() = in;
+  GetOutput() = std::pair<double, double>{0.0, 0.0};
+}
+
+bool ShvetsovaKMaxDiffNeigVecMPI::ValidationImpl() {
+  return true;
+}
+
+bool ShvetsovaKMaxDiffNeigVecMPI::PreProcessingImpl() {
+  data_ = GetInput();
+  return true;
+}
+
+bool ShvetsovaKMaxDiffNeigVecMPI::RunImpl() {
+  int count_of_proc = 0;
+  int rank = 0;
+
+  MPI_Comm_size(MPI_COMM_WORLD, &count_of_proc);
+  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+
+  int size_of_vector = 0;
+  size_of_vector = static_cast<int>(data_.size());
+
+  MPI_Bcast(&size_of_vector, 1, MPI_INT, 0, MPI_COMM_WORLD);  // сказали всем процессам, какой размер у вектора
+  if (size_of_vector < 2) {
+    GetOutput() = {0.0, 0.0};
+    return true;
+  }
+  std::vector<int> count_elems(count_of_proc, 0);  // количсетво элементов на каждый из процессов
+  std::vector<int> ind(count_of_proc, 0);          // индекс, начиная с которого элементы принадлежат процессам
+
+  CreateDistribution(count_of_proc, size_of_vector, count_elems, ind, rank);
+
+  int part_size = count_elems[rank];
+  std::vector<double> part(part_size);
+
+  MPI_Scatterv(rank == 0 ? data_.data() : nullptr, count_elems.data(), ind.data(), MPI_DOUBLE,
+               part_size > 0 ? part.data() : nullptr, part_size, MPI_DOUBLE, 0, MPI_COMM_WORLD);
+
+  // Вычисляем максимальную разницу внутри локальной части
+  double local_diff = -1.0;
+  double local_a = 0.0;
+  double local_b = 0.0;
+
+  for (int i = 0; i + 1 < part_size; ++i) {
+    double diff = std::abs(part[i] - part[i + 1]);
+    if (diff > local_diff) {
+      local_diff = diff;
+      local_a = part[i];
+      local_b = part[i + 1];
+    }
+  }
+
+  ProcessBoundaries(count_of_proc, rank, part, part_size, local_diff, local_a, local_b);
+
+  // Находим глобальный максимум
+  std::vector<double> all_diffs(count_of_proc);
+  MPI_Gather(&local_diff, 1, MPI_DOUBLE, rank == 0 ? all_diffs.data() : nullptr, 1, MPI_DOUBLE, 0, MPI_COMM_WORLD);
+
+  int winner_rank = WinnerRank(all_diffs, count_of_proc, rank);
+
+  std::array<double, 2> result_pair{};
+  CollectGlobalPair(winner_rank, local_a, local_b, result_pair, count_of_proc);
+
+  MPI_Bcast(result_pair.data(), 2, MPI_DOUBLE, 0, MPI_COMM_WORLD);
+
+  GetOutput() = {result_pair[0], result_pair[1]};
+  return true;
+}
+
+// Реализация функций
+void ShvetsovaKMaxDiffNeigVecMPI::CreateDistribution(int count_of_proc, int size_of_vector,
+                                                     std::vector<int> &count_elems, std::vector<int> &ind, int rank) {
+  if (rank == 0) {
+    int base = size_of_vector / count_of_proc;
+    int rem = size_of_vector % count_of_proc;
+    int sum = 0;
+
+    for (int i = 0; i < count_of_proc; i++) {
+      count_elems[i] = base + (i < rem ? 1 : 0);
+      ind[i] = sum;
+      sum += count_elems[i];
+    }
+  }
+
+  MPI_Bcast(count_elems.data(), count_of_proc, MPI_INT, 0, MPI_COMM_WORLD);
+  MPI_Bcast(ind.data(), count_of_proc, MPI_INT, 0, MPI_COMM_WORLD);
+}
+
+int ShvetsovaKMaxDiffNeigVecMPI::WinnerRank(const std::vector<double> &all_diffs, int count_of_proc, int rank) {
+  int winner_rank = 0;
+
+  if (rank == 0) {
+    double global_diff = *std::ranges::max_element(all_diffs);
+    for (int i = 0; i < count_of_proc; i++) {
+      if (std::abs(all_diffs[i] - global_diff) < 1e-12) {
+        winner_rank = i;
+        break;
+      }
+    }
+  } else {
+    winner_rank = 0;
+  }
+
+  MPI_Bcast(&winner_rank, 1, MPI_INT, 0, MPI_COMM_WORLD);
+  return winner_rank;
+}
+
+void ShvetsovaKMaxDiffNeigVecMPI::CollectGlobalPair(int winner_rank, double local_a, double local_b,
+                                                    std::array<double, 2> &result_pair, int count_of_proc) {
+  std::array<double, 2> local_pair = {local_a, local_b};
+  std::vector<double> all_pairs(static_cast<size_t>(count_of_proc) * 2);
+
+  MPI_Gather(local_pair.data(), 2, MPI_DOUBLE, all_pairs.data(), 2, MPI_DOUBLE, 0, MPI_COMM_WORLD);
+
+  MPI_Bcast(&winner_rank, 1, MPI_INT, 0, MPI_COMM_WORLD);
+
+  result_pair[0] = all_pairs[static_cast<size_t>(winner_rank) * 2];
+  result_pair[1] = all_pairs[(static_cast<size_t>(winner_rank) * 2) + 1];
+}
+void ShvetsovaKMaxDiffNeigVecMPI::ProcessBoundaries(int count_of_proc, int rank, const std::vector<double> &part,
+                                                    int part_size, double &local_diff, double &local_a,
+                                                    double &local_b) {
+  if (count_of_proc > 1) {
+    double send_val = (part_size > 0) ? part[part_size - 1] : 0.0;
+    double recv_val = 0.0;
+
+    // Отправляем последний элемент следующему процессу
+    if (rank < count_of_proc - 1) {
+      MPI_Send(&send_val, 1, MPI_DOUBLE, rank + 1, 0, MPI_COMM_WORLD);
+    }
+
+    // Получаем последний элемент от предыдущего процесса
+    if (rank > 0) {
+      MPI_Recv(&recv_val, 1, MPI_DOUBLE, rank - 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
+
+      // Проверяем разницу на границе
+      if (part_size > 0) {
+        double diff = std::abs(recv_val - part[0]);
+        if (diff > local_diff) {
+          local_diff = diff;
+          local_a = recv_val;
+          local_b = part[0];
+        }
+      }
+    }
+  }
+}
+
+bool ShvetsovaKMaxDiffNeigVecMPI::PostProcessingImpl() {
+  return true;
+}
+
+}  // namespace shvetsova_k_max_diff_neig_vec
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/report.md b/tasks/shvetsova_k_max_diff_neig_vec/report.md
new file mode 100644
index 000000000..c2fc63f2a
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/report.md
@@ -0,0 +1,100 @@
+# Нахождение наиболее отличающихся по значению соседних элементов вектора
+
+-   Student: Швецова Ксения Алексеевна, 3823Б1ФИ1
+-   Technology: SEQ, MPI
+-   Variant: 8
+
+## 1. Introduction
+
+В рамках данной работы была реализована задача поиска наиболее отличающихся по значению соседних элементов вектора. Были рассмотрены последовательная и параллельная (MPI) версии алгоритма.
+
+## 2. Problem Statement
+
+Дан вектор `v` из `N` элементов. Необходимо найти пару соседних элементов `(v[i], v[i+1])`, для которых модуль разницы `|v[i] - v[i+1]|` максимален.  
+**Input:** вектор чисел `v` длиной `N ≥ 0`.  
+**Output:** пара соседних элементов с максимальной разницей.  
+**Constraints:** если вектор содержит менее двух элементов, результат считается `(0.0, 0.0)`.
+
+## 3. Baseline Algorithm (Sequential)
+
+Последовательная версия алгоритма:
+
+1. Инициализация: `max_diff = 0`, `first_elem = 0`, `second_elem = 0`.
+2. Для всех индексов `i = 0..N-2`:
+    - `diff = |v[i] - v[i+1]|`
+    - Если `diff > max_diff`: обновляем `max_diff`, `first_elem = v[i]`, `second_elem = v[i+1]`.
+3. Возвращается пара `(first_elem, second_elem)`.
+
+## 4. Parallelization Scheme
+
+**MPI версия:**
+
+-   **Data distribution:** главный процесс делит вектор на `P` частей:
+    -   `base = N / P` — базовое число элементов на процесс
+    -   `remain = N % P` — остаток элементов
+    -   Первые `remain` процессов получают `base + 1` элементов, остальные — `base`.
+-   **Communication pattern:** каждый процесс получает последний элемент предыдущего процесса для проверки разницы на границе.
+-   **Rank roles:**
+    -   Ранг 0 — главный процесс, собирает все локальные максимумы и определяет глобальный максимум.
+    -   Остальные процессы — вычисляют локальные максимумы и обрабатывают границы.
+
+**Пример распределения для 2 процессов и вектора `{1, 2, 100, 3, 4}`:**
+
+-   Процесс 0: `{1, 2, 100}` → локальная максимальная разница: |2-100| = 98
+-   Процесс 1: `{100, 3, 4}` → локальная максимальная разница: |100-3| = 97
+-   Глобальный максимум: |2-100| = 98 → результат `(2, 100)`
+
+## 5. Implementation Details
+
+-   **Code structure:**
+    -   `shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp` — последовательная реализация
+    -   `shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp` — параллельная реализация MPI
+    -   `shvetsova_k_max_diff_neig_vec/common/include/common.hpp` — общие типы данных
+-   **Assumptions:** пустой вектор или вектор с одним элементом → результат `(0.0, 0.0)`.
+-   **Memory usage:** для MPI версии создаются временные векторы частей и массивы для сбора локальных максимумов, накладные расходы пропорциональны числу процессов.
+
+## 6. Experimental Setup
+
+-   **Hardware/OS:** CPU с 4 ядрами, 16 GB RAM, Ubuntu 22.04
+-   **Toolchain:** g++ 12, Release build
+-   **Environment:** 4 MPI процесса (`PPC_NUM_PROC=4`)
+-   **Data:** генерируются тестовые векторы длиной до 30 000 000 элементов, включая случаи с одной резкой разницей.
+
+## 7. Results and Discussion
+
+### 7.1 Correctness
+
+Функциональные тесты:
+
+-   Вектор с возрастающими числами
+-   Вектор с резко отличающимися соседями
+-   Вектор с двумя элементами
+-   Пустой вектор
+-   Вектор с 1 элементом
+-   Случайные значения
+
+Все тесты прошли успешно, результаты совпали с последовательной реализацией.
+
+### 7.2 Performance
+
+| Mode | Count | Time, s | Speedup | Efficiency |
+| ---- | ----- | ------- | ------- | ---------- |
+| seq  | 1     | 0.468   | 1.00    | N/A        |
+| mpi  | 1     | 0.515   | 0.91    | 91.0%      |
+| mpi  | 2     | 0.552   | 0.85    | 42.5%      |
+| mpi  | 4     | 0.589   | 0.79    | 19.8%      |
+| mpi  | 8     | 0.671   | 0.70    | 8.8%       |
+
+**Discussion:** MPI версия медленнее, так как накладные расходы на коммуникацию превышают выигрыш от параллельной обработки. Алгоритм вычислительно легкий, основное время занимает пересылка данных.
+
+## 8. Conclusions
+
+-   Реализованы последовательная и параллельная версии алгоритма поиска пары соседних элементов с максимальной разницей.
+-   MPI версия не показала ускорения из-за минимальной вычислительной нагрузки и затрат на коммуникацию.
+-   Алгоритм корректно работает для всех тестовых случаев, включая пустой вектор и вектор с одним элементом.
+
+## 9. References
+
+1. Лекции Сысоева Александра Владимировича
+2. Практические занятия Нестерова Александра Юрьевича и Оболенского Арсения Андреевича
+3. Интернет-ресурсы по MPI и параллельным алгоритмам
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp b/tasks/shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp
new file mode 100644
index 000000000..78842539d
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <vector>
+
+#include "shvetsova_k_max_diff_neig_vec/common/include/common.hpp"
+#include "task/include/task.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+class ShvetsovaKMaxDiffNeigVecSEQ : public BaseTask {
+ public:
+  static constexpr ppc::task::TypeOfTask GetStaticTypeOfTask() {
+    return ppc::task::TypeOfTask::kSEQ;
+  }
+  explicit ShvetsovaKMaxDiffNeigVecSEQ(const InType &in);
+
+ private:
+  std::vector<double> data_;
+  bool ValidationImpl() override;
+  bool PreProcessingImpl() override;
+  bool RunImpl() override;
+  bool PostProcessingImpl() override;
+};
+
+}  // namespace shvetsova_k_max_diff_neig_vec
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/seq/src/ops_seq.cpp b/tasks/shvetsova_k_max_diff_neig_vec/seq/src/ops_seq.cpp
new file mode 100644
index 000000000..cfcc7f976
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/seq/src/ops_seq.cpp
@@ -0,0 +1,52 @@
+#include "shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp"
+
+#include <cmath>
+#include <utility>
+
+#include "shvetsova_k_max_diff_neig_vec/common/include/common.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+ShvetsovaKMaxDiffNeigVecSEQ::ShvetsovaKMaxDiffNeigVecSEQ(const InType &in) {
+  SetTypeOfTask(GetStaticTypeOfTask());
+  GetInput() = in;
+  GetOutput() = std::pair<double, double>{0.0, 0.0};
+}
+
+bool ShvetsovaKMaxDiffNeigVecSEQ::ValidationImpl() {
+  data_ = GetInput();
+  return true;
+}
+
+bool ShvetsovaKMaxDiffNeigVecSEQ::PreProcessingImpl() {
+  return true;
+}
+
+bool ShvetsovaKMaxDiffNeigVecSEQ::RunImpl() {
+  double max_dif = 0;
+  double first_elem = 0;
+  double second_elem = 0;
+  int sz = static_cast<int>(data_.size());
+  if (sz < 2) {
+    GetOutput().first = 0.0;
+    GetOutput().second = 0.0;
+  } else {
+    for (int i = 0; i < sz - 1; i++) {
+      if (max_dif <= std::abs(data_.at(i) - data_.at(i + 1))) {
+        first_elem = data_.at(i);
+        second_elem = data_.at(i + 1);
+        max_dif = std::abs(data_.at(i) - data_.at(i + 1));
+      }
+    }
+  }
+
+  GetOutput().first = first_elem;
+  GetOutput().second = second_elem;
+  return true;
+}
+
+bool ShvetsovaKMaxDiffNeigVecSEQ::PostProcessingImpl() {
+  return true;
+}
+
+}  // namespace shvetsova_k_max_diff_neig_vec
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/settings.json b/tasks/shvetsova_k_max_diff_neig_vec/settings.json
new file mode 100644
index 000000000..b1a0d5257
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/settings.json
@@ -0,0 +1,7 @@
+{
+  "tasks_type": "processes",
+  "tasks": {
+    "mpi": "enabled",
+    "seq": "enabled"
+  }
+}
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/tests/.clang-tidy b/tasks/shvetsova_k_max_diff_neig_vec/tests/.clang-tidy
new file mode 100644
index 000000000..ef43b7aa8
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/tests/.clang-tidy
@@ -0,0 +1,13 @@
+InheritParentConfig: true
+
+Checks: >
+  -modernize-loop-convert,
+  -cppcoreguidelines-avoid-goto,
+  -cppcoreguidelines-avoid-non-const-global-variables,
+  -misc-use-anonymous-namespace,
+  -modernize-use-std-print,
+  -modernize-type-traits
+
+CheckOptions:
+  - key: readability-function-cognitive-complexity.Threshold
+    value: 50  # Relaxed for tests
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/tests/functional/main.cpp b/tasks/shvetsova_k_max_diff_neig_vec/tests/functional/main.cpp
new file mode 100644
index 000000000..f0e390cae
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/tests/functional/main.cpp
@@ -0,0 +1,85 @@
+#include <gtest/gtest.h>
+
+#include <array>
+#include <cmath>
+#include <cstddef>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <tuple>
+#include <vector>
+
+#include "shvetsova_k_max_diff_neig_vec/common/include/common.hpp"
+#include "shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp"
+#include "shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp"
+#include "util/include/func_test_util.hpp"
+#include "util/include/util.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+class ShvetsovaKMaxDiffNeigVecRunFuncTestsProcesses : public ppc::util::BaseRunFuncTests<InType, OutType, TestType> {
+ public:
+  static std::string PrintTestParam(const TestType &test_param) {
+    return test_param;
+  }
+
+ protected:
+  void SetUp() override {
+    TestType param = std::get<static_cast<std::size_t>(ppc::util::GTestParamIndex::kTestParams)>(GetParam());
+    std::string abs_path = ppc::util::GetAbsoluteTaskPath(PPC_ID_shvetsova_k_max_diff_neig_vec, param + ".txt");
+
+    std::ifstream file(abs_path);
+    if (!file.is_open()) {
+      std::cerr << "ERROR: Cannot open file: " << abs_path << '\n';
+      return;
+    }
+    file >> expect_res_.first;
+    file >> expect_res_.second;
+    double num = 0.0;
+    std::vector<double> vec;
+    while (file >> num) {
+      vec.push_back(num);
+    }
+    input_data_ = vec;
+    file.close();
+  }
+
+  bool CheckTestOutputData(OutType &output_data) final {
+    const double eps = 0.05;
+
+    return (std::abs(output_data.first - expect_res_.first) <= eps && output_data.second == expect_res_.second);
+  }
+
+  InType GetTestInputData() final {
+    return input_data_;
+  }
+
+ private:
+  InType input_data_;
+  OutType expect_res_;
+};
+
+namespace {
+
+TEST_P(ShvetsovaKMaxDiffNeigVecRunFuncTestsProcesses, DataFromTest) {
+  ExecuteTest(GetParam());
+}
+
+const std::array<TestType, 10> kTestParam = {"test1", "test2", "test3", "test4", "test5",
+                                             "test6", "test7", "test8", "test9", "test10"};
+
+const auto kTestTasksList = std::tuple_cat(
+    ppc::util::AddFuncTask<ShvetsovaKMaxDiffNeigVecMPI, InType>(kTestParam, PPC_SETTINGS_shvetsova_k_max_diff_neig_vec),
+    ppc::util::AddFuncTask<ShvetsovaKMaxDiffNeigVecSEQ, InType>(kTestParam,
+                                                                PPC_SETTINGS_shvetsova_k_max_diff_neig_vec));
+
+const auto kGtestValues = ppc::util::ExpandToValues(kTestTasksList);
+
+const auto kPerfTestName =
+    ShvetsovaKMaxDiffNeigVecRunFuncTestsProcesses::PrintFuncTestName<ShvetsovaKMaxDiffNeigVecRunFuncTestsProcesses>;
+
+INSTANTIATE_TEST_SUITE_P(MaxDiffTest, ShvetsovaKMaxDiffNeigVecRunFuncTestsProcesses, kGtestValues, kPerfTestName);
+
+}  // namespace
+
+}  // namespace shvetsova_k_max_diff_neig_vec
diff --git a/tasks/shvetsova_k_max_diff_neig_vec/tests/performance/main.cpp b/tasks/shvetsova_k_max_diff_neig_vec/tests/performance/main.cpp
new file mode 100644
index 000000000..5ed7ad788
--- /dev/null
+++ b/tasks/shvetsova_k_max_diff_neig_vec/tests/performance/main.cpp
@@ -0,0 +1,56 @@
+#include <gtest/gtest.h>
+
+#include <cmath>
+#include <vector>
+
+#include "shvetsova_k_max_diff_neig_vec/common/include/common.hpp"
+#include "shvetsova_k_max_diff_neig_vec/mpi/include/ops_mpi.hpp"
+#include "shvetsova_k_max_diff_neig_vec/seq/include/ops_seq.hpp"
+#include "util/include/perf_test_util.hpp"
+
+namespace shvetsova_k_max_diff_neig_vec {
+
+class ShvetsovaKMaxDiffNeigVecRunPerfTestProcesses : public ppc::util::BaseRunPerfTests<InType, OutType> {
+  const std::vector<double> kCount_ = {0.0};
+  InType input_data_;
+  OutType expect_res_;
+
+  void SetUp() override {
+    for (int i = 0; i < 10000000; i++) {
+      if (i != 1) {
+        input_data_.push_back(i);
+      }
+      if (i == 1) {
+        input_data_.push_back(10000);
+      }
+    }
+    expect_res_.first = input_data_[0];
+    expect_res_.second = input_data_[1];
+  }
+
+  bool CheckTestOutputData(OutType &output_data) final {
+    const double eps = 0.05;
+    return (std::abs(output_data.first - expect_res_.first) <= eps &&
+            std::abs(output_data.second - expect_res_.second) <= eps);
+  }
+
+  InType GetTestInputData() final {
+    return input_data_;
+  }
+};
+
+const auto kAllPerfTasks =
+    ppc::util::MakeAllPerfTasks<InType, ShvetsovaKMaxDiffNeigVecMPI, ShvetsovaKMaxDiffNeigVecSEQ>(
+        PPC_SETTINGS_shvetsova_k_max_diff_neig_vec);
+
+const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks);
+
+const auto kPerfTestName = ShvetsovaKMaxDiffNeigVecRunPerfTestProcesses::CustomPerfTestName;
+
+TEST_P(ShvetsovaKMaxDiffNeigVecRunPerfTestProcesses, RunPerfModes) {
+  ExecuteTest(GetParam());
+}
+
+INSTANTIATE_TEST_SUITE_P(RunModeTests, ShvetsovaKMaxDiffNeigVecRunPerfTestProcesses, kGtestValues, kPerfTestName);
+
+}  // namespace shvetsova_k_max_diff_neig_vec