oj.uz

Submission #755510

# Submission time Handle Problem Language Result Execution time Memory
755510 2023-06-10T08:04:38 Z Desh03 XOR (IZhO12_xor) C++17
0 / 100
 2000 ms 1868 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, x, k = -1, id;
    cin >> n >> x;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    vector<int> pre(n + 1);
    for (int i = 1; i <= n; i++) pre[i] = pre[i - 1] ^ a[i - 1];
    for (int i = 0; i < n; i++)
        for (int j = i + 1; j <= n; j++)
            if ((pre[j] ^ pre[i]) >= x && j - i > k)
                k = j - i, id = i + 1;
    cout << id << ' ' << k;
}

Compilation message

xor.cpp: In function 'int main()':
xor.cpp:17:19: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   17 |     cout << id << ' ' << k;
      |                   ^~~

Subtask #1
0 / 100.0

# 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 340 KB Output is correct
5 Correct 181 ms 604 KB Output is correct
6 Correct 299 ms 648 KB Output is correct
7 Correct 305 ms 596 KB Output is correct
8 Correct 412 ms 780 KB Output is correct
9 Execution timed out 2057 ms 1868 KB Time limit exceeded
10 Halted 0 ms 0 KB -