Code: The 67th 6-7 Integer Problem

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    long long test = 1;
    cin >> test;
    bool submit = true;
    if (test >= 10010010)
        submit = false;
    if (test == 1)
        submit = true;

    while (test--) {
        int n = 7;
        vector<int> A(n);
        for (auto &a : A)
            cin >> a;
        sort(A.begin(), A.end());
        int answer = A.back();
        for (int i = 0; i < 6; i++)
            answer -= A.at(i);
        cout << answer << "\n";
    }
}