DECSTR Wrong Answer

[ketanhwr]

I don’t know why but my code is giving WA. I think my logic is correct

#include<iostream>
using namespace std;

int main()
{
    int t;
    char a[] = "cbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcba";
    cin >> t;
    while(t--)
    {
              int n;
              cin >> n;
              int j = 0;
              if(n < 26) j = n+1;
              else if(n >= 26 && n < 52) j = n+2;
              else if(n >= 52 && n < 78) j = n+3;
              else j = n+4;
              for(int i = 107-j;i < 107;i++) cout << a[i];
              cout << endl;
    }
    return 0;
}