oj.uz

Submission #888188

# Submission time Handle Problem Language Result Execution time Memory
888188 2023-12-16T09:57:54 Z Unforgettablepl Snake Escaping (JOI18_snake_escaping) C++17
12 / 100
 2000 ms 65536 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
const int INF = INT64_MAX;

int arr[8192];

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;
    }
    map<string,int> memo;
    for (int i = 0; i < q; i++) {
        string a;cin>>a;
        reverse(a.begin(), a.end());
        if(memo.count(a)){cout<<memo[a]<<'\n';continue;}
        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';
        memo[a]=ans;
    }
}

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 500 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 500 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 261 ms 4396 KB Output is correct
12 Correct 348 ms 4612 KB Output is correct
13 Correct 447 ms 3936 KB Output is correct
14 Correct 401 ms 3696 KB Output is correct
15 Correct 420 ms 4692 KB Output is correct
16 Correct 481 ms 4984 KB Output is correct
17 Correct 581 ms 8216 KB Output is correct
18 Correct 143 ms 5460 KB Output is correct
19 Correct 247 ms 2388 KB Output is correct
20 Correct 352 ms 4204 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 500 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 261 ms 4396 KB Output is correct
12 Correct 348 ms 4612 KB Output is correct
13 Correct 447 ms 3936 KB Output is correct
14 Correct 401 ms 3696 KB Output is correct
15 Correct 420 ms 4692 KB Output is correct
16 Correct 481 ms 4984 KB Output is correct
17 Correct 581 ms 8216 KB Output is correct
18 Correct 143 ms 5460 KB Output is correct
19 Correct 247 ms 2388 KB Output is correct
20 Correct 352 ms 4204 KB Output is correct
21 Correct 380 ms 16816 KB Output is correct
22 Correct 481 ms 15824 KB Output is correct
23 Correct 891 ms 31388 KB Output is correct
24 Correct 645 ms 21212 KB Output is correct
25 Correct 718 ms 19336 KB Output is correct
26 Correct 1229 ms 41376 KB Output is correct
27 Execution timed out 2013 ms 65536 KB Time limit exceeded
28 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 500 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Runtime error 1 ms 600 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 500 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 261 ms 4396 KB Output is correct
12 Correct 348 ms 4612 KB Output is correct
13 Correct 447 ms 3936 KB Output is correct
14 Correct 401 ms 3696 KB Output is correct
15 Correct 420 ms 4692 KB Output is correct
16 Correct 481 ms 4984 KB Output is correct
17 Correct 581 ms 8216 KB Output is correct
18 Correct 143 ms 5460 KB Output is correct
19 Correct 247 ms 2388 KB Output is correct
20 Correct 352 ms 4204 KB Output is correct
21 Correct 380 ms 16816 KB Output is correct
22 Correct 481 ms 15824 KB Output is correct
23 Correct 891 ms 31388 KB Output is correct
24 Correct 645 ms 21212 KB Output is correct
25 Correct 718 ms 19336 KB Output is correct
26 Correct 1229 ms 41376 KB Output is correct
27 Execution timed out 2013 ms 65536 KB Time limit exceeded
28 Halted 0 ms 0 KB -