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Create Check if divisible by 10 #61

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47 changes: 47 additions & 0 deletions Check if divisible by 10
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Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
// { Driver Code Starts
#include <bits/stdc++.h>
using namespace std;

// } Driver Code Ends





class Solution {
public:
int isDivisibleBy10(string bin) {
int n =bin.length();
if(bin[n-1]=='1')return 0;
int sum=0;
for(int i=n-2;i>=0;i--){
if(bin[i]=='1'){
int posFromRight = n-i-1;
if (posFromRight % 4 == 1)
sum = sum + 2;
else if (posFromRight % 4 == 2)
sum = sum + 4;
else if (posFromRight % 4 == 3)
sum = sum + 8;
else if (posFromRight % 4 == 0)
sum = sum + 6;
}
}
return (sum%10==0)?1:0;
}
};


// { Driver Code Starts.
int main() {

int t;
cin >> t;
while (t--) {
string bin;
cin >> bin;
Solution ob;
cout << ob.isDivisibleBy10(bin);
cout << endl;
}
} // } Driver Code Ends