제출 #354977

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
354977		valerikk	Football (info1cup20_football)	C++14	0 / 100	34 ms	2284 KiB

football

#include <bits/stdc++.h>

using namespace std;

const int K = 31;

int game() {
    int n, k;
    cin >> n >> k;
    vector<int> size_class(n);
    for (int &s : size_class)
        cin >> s;
    int res = 0;
    for (int t = 0; t < K; ++t) {
        int x = 0;
        for (int &s : size_class)
            x ^= (s >> t) & 1;
        res |= x;
    }
    return res;
}

int main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);
    int t;
    cin >> t;
    string ans = "";
    while (t--)
        ans.push_back('0' + game());
    cout << ans << "\n";
    return 0;
}

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