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Submission #328973

# Submission time Handle Problem Language Result Execution time Memory
328973 2020-11-18T16:13:38 Z ThaiBaHung Football (info1cup20_football) C++14
100 / 100
 42 ms 2156 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 3;
int test;
int n, k;
int a[N];
long long sum = 0;

int main()
{
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> test;

    while (test--)
    {
        cin >> n >> k;
        sum = 0;

        for (int i = 1; i <= n; i++)
            cin >> a[i], sum += a[i];

        if (sum % 2)
        {
            cout << 1;
            continue;
        }

        if (k == 1)
        {
            cout << 0;
            continue;
        }

        long long cur = 0;
        int res = 0;

        for (int j = 1; (1 << j) <= k; j++)
        {
            for (int i = 1; i <= n; i++)
            {
                cur = cur + a[i] / (1 << j);
            }
            if (cur % 2)
            {
                res = 1;
                break;
            }
        }

        cout << res;
    }
}

Subtask #1
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 1388 KB Output is correct
2 Correct 12 ms 1388 KB Output is correct
3 Correct 13 ms 1388 KB Output is correct
4 Correct 13 ms 1388 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 668 KB Output is correct
2 Correct 10 ms 640 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1132 KB Output is correct
2 Correct 25 ms 1132 KB Output is correct
3 Correct 25 ms 1132 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 2156 KB Output is correct
2 Correct 42 ms 2156 KB Output is correct
3 Correct 41 ms 2072 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 1388 KB Output is correct
2 Correct 14 ms 1388 KB Output is correct
3 Correct 16 ms 1388 KB Output is correct

Subtask #7
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1516 KB Output is correct
2 Correct 18 ms 1388 KB Output is correct
3 Correct 27 ms 1408 KB Output is correct

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 1388 KB Output is correct
2 Correct 23 ms 1388 KB Output is correct