oj.uz

Submission #888183

# Submission time Handle Problem Language Result Execution time Memory
888183 2023-12-16T09:52:58 Z Unforgettablepl Snake Escaping (JOI18_snake_escaping) C++17
5 / 100
 2000 ms 14032 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
const int INF = INT64_MAX;

int arr[1024];

int ask(string &a,int perm){
    int idx = 0;
    for(int x=0;x<a.size();x++){
        if(a[x]=='1')idx|=(1<<x);
        else if(a[x]=='?'){idx|=((perm&1)<<x);perm>>=1;}
    }
    return arr[idx];
}

int32_t main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int L,q;
    cin >> L >> q;
    for(int i=0;i<(1<<L);i++){
        char a;cin>>a;a-='0';
        arr[i]=a;
    }
    for (int i = 0; i < q; i++) {
        string a;cin>>a;
        reverse(a.begin(), a.end());
        int n = count(a.begin(), a.end(),'?');
        int ans = 0;
        for(int perm = 0;perm<(1<<n);perm++){
            ans+=ask(a,perm);
        }
        cout << ans << '\n';
    }
}

Compilation message

snake_escaping.cpp: In function 'long long int ask(std::string&, long long int)':
snake_escaping.cpp:11:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int x=0;x<a.size();x++){
      |                 ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 506 ms 13656 KB Output is correct
12 Correct 963 ms 13716 KB Output is correct
13 Correct 408 ms 13192 KB Output is correct
14 Correct 462 ms 13076 KB Output is correct
15 Correct 1119 ms 14032 KB Output is correct
16 Correct 570 ms 13136 KB Output is correct
17 Correct 580 ms 13220 KB Output is correct
18 Execution timed out 2032 ms 4704 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 506 ms 13656 KB Output is correct
12 Correct 963 ms 13716 KB Output is correct
13 Correct 408 ms 13192 KB Output is correct
14 Correct 462 ms 13076 KB Output is correct
15 Correct 1119 ms 14032 KB Output is correct
16 Correct 570 ms 13136 KB Output is correct
17 Correct 580 ms 13220 KB Output is correct
18 Execution timed out 2032 ms 4704 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Runtime error 1 ms 604 KB Execution killed with signal 11
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 506 ms 13656 KB Output is correct
12 Correct 963 ms 13716 KB Output is correct
13 Correct 408 ms 13192 KB Output is correct
14 Correct 462 ms 13076 KB Output is correct
15 Correct 1119 ms 14032 KB Output is correct
16 Correct 570 ms 13136 KB Output is correct
17 Correct 580 ms 13220 KB Output is correct
18 Execution timed out 2032 ms 4704 KB Time limit exceeded
19 Halted 0 ms 0 KB -