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Submission #752107

# Submission time Handle Problem Language Result Execution time Memory
752107 2023-06-02T09:59:14 Z Stickfish Football (info1cup20_football) C++17
100 / 100
 125 ms 3040 KB 
#include <iostream>
#include <bitset>
#include <vector>
using namespace std;

bool get_ans(vector<int> a, int k) {
    int n = a.size();
    int bt = 0;
    for (int i = 0; i < n; ++i)
        bt ^= a[i] & 1;
    if (bt)
        return true;
    if (k == 1)
        return false;
    // first to substract odd loses
    for (int i = 0; i < n; ++i)
        a[i] /= 2;
    return get_ans(a, k / 2);
}

signed main() {
    int t;
    cin >> t;
    vector<bool> ans(t);
    for (int i = 0; i < t; ++i) {
        int n, k;
        cin >> n >> k;
        vector<int> a(n);
        for (int j = 0; j < n; ++j)
            cin >> a[j];
        ans[i] = get_ans(a, k);
    }
    for (int i = 0; i < t; ++i)
        cout << ans[i];
    cout << '\n';
}

Subtask #1
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 1372 KB Output is correct
2 Correct 46 ms 1372 KB Output is correct
3 Correct 40 ms 1372 KB Output is correct
4 Correct 43 ms 1288 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 536 KB Output is correct
2 Correct 21 ms 536 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 932 KB Output is correct
2 Correct 56 ms 956 KB Output is correct
3 Correct 55 ms 928 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 1952 KB Output is correct
2 Correct 123 ms 1948 KB Output is correct
3 Correct 119 ms 1960 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 1440 KB Output is correct
2 Correct 47 ms 1420 KB Output is correct
3 Correct 40 ms 1476 KB Output is correct

Subtask #7
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 3032 KB Output is correct
2 Correct 41 ms 1472 KB Output is correct
3 Correct 41 ms 2656 KB Output is correct

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 2312 KB Output is correct
2 Correct 45 ms 3040 KB Output is correct