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Submission #746345

# Submission time Handle Problem Language Result Execution time Memory
746345 2023-05-22T11:35:49 Z doowey Brperm (RMI20_brperm) C++17
13 / 100
 3000 ms 1976 KB 
#include <bits/stdc++.h>
#include "brperm.h"

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair

vector<char> S;

void init(int n, const char s[]) {
    for(int i = 0 ; i < n; i ++ ){
        S.push_back(s[i]);
    }
}

int query(int i, int k) {
    int sz = (1 << k);
    if(i + sz - 1 >= S.size()) return 0;
    vector<char> A(sz), B(sz);
    for(int j = 0 ; j < sz; j ++ ){
        A[j] = S[i + j];
        int f = 0;
        for(int p = 0; p < k ; p ++ ){
            if((j & (1 << p))){
                f |= (1 << (k - p - 1));
            }
        }
        B[f] = S[i + j];
    }

    return (A == B);
}

Compilation message

brperm.cpp: In function 'int query(int, int)':
brperm.cpp:23:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     if(i + sz - 1 >= S.size()) return 0;
      |        ~~~~~~~~~~~^~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Execution timed out 3057 ms 1364 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3056 ms 1976 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 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Execution timed out 3057 ms 1364 KB Time limit exceeded
4 Halted 0 ms 0 KB -