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Submission #1100711

# Submission time Handle Problem Language Result Execution time Memory
1100711 2024-10-14T13:38:55 Z Kirill22 Football (info1cup20_football) C++17
100 / 100
 33 ms 2404 KB 
#include "bits/stdc++.h"

using namespace std;

void solve() {
    int n, k;
    cin >> n >> k;
    map<int, int> cnt;
    for (int i = 0; i < n; i++) {
        int x;
        cin >> x;
        cnt[x]++;
    }
    vector<int> a;
    for (auto& [x, y] : cnt) {
        if (y % 2) {
            a.push_back(x);
        }
    }
    for (int x = 1; x <= k; x *= 2) {
        long long sum = 0;
        for (auto& y : a) {
            sum += y / x;
        }
        if (sum % 2) {
            cout << 1;
            return;
        }
    }
    cout << 0;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    cin >> t;
    while (t--) {
        solve();
    }
}

Subtask #1
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1536 KB Output is correct
2 Correct 27 ms 1536 KB Output is correct
3 Correct 25 ms 1536 KB Output is correct
4 Correct 25 ms 1532 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 504 KB Output is correct
2 Correct 8 ms 572 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 336 KB Output is correct
2 Correct 17 ms 996 KB Output is correct
3 Correct 17 ms 1108 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 512 KB Output is correct
2 Correct 25 ms 2124 KB Output is correct
3 Correct 26 ms 2132 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1536 KB Output is correct
2 Correct 26 ms 1536 KB Output is correct
3 Correct 25 ms 1536 KB Output is correct

Subtask #7
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 1536 KB Output is correct
2 Correct 27 ms 2404 KB Output is correct
3 Correct 29 ms 2376 KB Output is correct

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 1536 KB Output is correct
2 Correct 30 ms 2404 KB Output is correct