Submission #70760998

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Source Code Expand

#include <bits/stdc++.h>
#define ll long long
#define endl '\n'

using namespace std;

int main() {
    ll X;
    cin >> X;
    int N;
    cin >> N;
    vector<int> A(N);
    for (int i = 0; i < N; i++) {
        cin >> A[i];
    }
    vector<int> attached(N);
    int Q;
    cin >> Q;
    for (int i = 0; i < Q; i++) {
        int T;
        cin >> T;
        T--;
        if (attached[T]) X -= A[T];
        else X += A[T];
        attached[T] ^= 1;
        cout << X << endl;
    }
    return 0;
}

Submission Info

Judge Result