1812C - Digits - CodeForces Solution

    #include<bits/stdc++.h>
    using namespace std;
     
    int main(){
     int n;
     cin >> n;
     int a[32] = {3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3,2,3,8,4,6,2,6,4,3,3,8,3,2,7,9,5};
     int x;
     for(int i = 0; i < n; i++){
     int res = 1;
     for(int j = 0; j < a[i]; j++){
     cin >> x;
     res *= x;
     }
     cout << res << endl;
     }
     return 0;
    }