Hey, I am doing this MULTHREE problem of DSA learning series week 1. I am writing the code which is giving correct output in other editors. My solution is correct. But I don’t know why the CodeChef editor is not accepting it and it is displaying my solution as “WRONG ANSWER”. Here’s my solution for your convenience.

#include

using namespace std;

int is_Multhree(int k, int d0, int d1)

{

int di;

long sum = d0 + d1;

for(int i = 2; i < k; i++)

{

di = sum % 10;

sum += di;

}

if(sum % 3 == 0)

return 1;

else

return 0;

}

int main() {

// your code goes here

int T, res;

int k, d0, d1;

cin>>T;

for(int i = 0; i < T; i++)

{

cin>>k;

cin>>d0;

cin>>d1;

res = is_Multhree(k, d0, d1);

if(res == 1)

cout<<“YES”<<"\n";

else

cout<<“NO”<<"\n";

}

return 0;

}