oj.uz

Submission #924236

# Submission time Handle Problem Language Result Execution time Memory
924236 2024-02-08T16:46:07 Z Camillus Brperm (RMI20_brperm) C++17
50 / 100
 3000 ms 1616 KB 
#define debug(...) 42
#include "bits/stdc++.h"
using namespace std;

#ifndef LOCAL
#include "brperm.h"
#else
void init(int n, const char s[]);
int query(int i, int k);
#endif

int n;
string s;

void init(int N, const char S[]) {
    n = N;
    s = string(S, S + N);
}

int swapped(int i, int k) {
    int j = 0;

    for (int p = 0; p < k; p++) {
        if (i & (1 << p)) {
            j |= (1 << (k - p - 1));
        }
    }

    return j;
}

int query(int i, int k) {
    if (i + (1 << k) > n) {
        return 0;
    }
    if (k < 2) {
        return 1;
    }
    for (int j = 0; j < (1 << k); j++) {
        if (s[i + j] != s[i + swapped(j, k)]) {
            return 0;
        }
    }
    return 1;
}

#ifdef LOCAL
char __s[(int)5e5 + 10] = {};

int main() {
    cin >> __s;
    init(strlen(__s), __s);

    int __x, __y;
    while (cin >> __x >> __y)
        cout << query(__x, __y) << '\n';

    return 0;
}
#endif

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 21 ms 604 KB Output is correct
4 Correct 21 ms 856 KB Output is correct
5 Correct 20 ms 748 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3024 ms 1616 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 21 ms 604 KB Output is correct
4 Correct 21 ms 856 KB Output is correct
5 Correct 20 ms 748 KB Output is correct
6 Execution timed out 3024 ms 1616 KB Time limit exceeded
7 Halted 0 ms 0 KB -