Submission #1361905

#	Time	Username	Problem	Language	Result	Execution time	Memory
1361905		Charizard2021	Subset Mex (EGOI22_subsetmex)	C++20	Compilation error	0 ms	0 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
    long long t;
    cin >> t;
    while(t--){
        long long n;
        cin >> n;
        vector<long long> f(n);
        vector<long long> q(1 + n);
        for(long long i =0 ; i < n; i++){
            cin >> f[i];
        }
        q[n] = 1;
        for(long long i = n - 1; i >= 0; i--){
            long long sum = 0;
            for(long long j : q){
                sum += j;
            }
            q[i] = j;
            q[i] = max(q[i] - f[i], 0LL);
        }
        long long sum = 0;
        for(long long j : q){
            sum += j;
        }
        cout << sum << "\n";
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:20:20: error: 'j' was not declared in this scope
   20 |             q[i] = j;
      |                    ^