oj.uz

Submission #115987

# Submission time Handle Problem Language Result Execution time Memory
115987 2019-06-10T06:38:40 Z oolimry Snake Escaping (JOI18_snake_escaping) C++14
5 / 100
 2000 ms 6272 KB 
#include <bits/stdc++.h>

using namespace std;


int value[200000];
unordered_map<string,int> memo;
int n , q;
int dp(string s){
    for(int i = 0;i < n;i++){
        if(s[i] == '?'){
            string s0 = s;
            string s1 = s;
            s0[i] = '0';
            s1[i] = '1';
            int ans = dp(s0) + dp(s1);
            //cout << s << " " << ans << "\n";
            memo[s] = ans;
            return ans;
        }
    }
    int v = 0;
    for(int i = 0;i < n;i++){
        v *= 2;
        if(s[i] == '1') v++;
    }
    //cout << s << " " << value[v] << "\n";
    memo[s] = value[v];
    return value[v];
}
int main()
{
    //freopen("i.txt","r",stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(0);


    cin >> n >> q;
    string s;
    cin >> s;
    for(int i = 0;i < s.length();i++){
        value[i] = s[i] - '0';
    }

    for(int qq = 0;qq < q;qq++){
        cin >> s;

        cout << dp(s) << "\n";
    }


    return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < s.length();i++){
                   ~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 512 KB Output is correct
2 Correct 13 ms 764 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 20 ms 1236 KB Output is correct
6 Correct 7 ms 1024 KB Output is correct
7 Correct 7 ms 1024 KB Output is correct
8 Correct 144 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 14 ms 768 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 512 KB Output is correct
2 Correct 13 ms 764 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 20 ms 1236 KB Output is correct
6 Correct 7 ms 1024 KB Output is correct
7 Correct 7 ms 1024 KB Output is correct
8 Correct 144 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 14 ms 768 KB Output is correct
11 Execution timed out 2037 ms 6272 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 512 KB Output is correct
2 Correct 13 ms 764 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 20 ms 1236 KB Output is correct
6 Correct 7 ms 1024 KB Output is correct
7 Correct 7 ms 1024 KB Output is correct
8 Correct 144 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 14 ms 768 KB Output is correct
11 Execution timed out 2037 ms 6272 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 512 KB Output is correct
2 Correct 13 ms 764 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 20 ms 1236 KB Output is correct
6 Correct 7 ms 1024 KB Output is correct
7 Correct 7 ms 1024 KB Output is correct
8 Correct 144 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 14 ms 768 KB Output is correct
11 Runtime error 9 ms 5668 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 512 KB Output is correct
2 Correct 13 ms 764 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 20 ms 1236 KB Output is correct
6 Correct 7 ms 1024 KB Output is correct
7 Correct 7 ms 1024 KB Output is correct
8 Correct 144 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 14 ms 768 KB Output is correct
11 Execution timed out 2037 ms 6272 KB Time limit exceeded
12 Halted 0 ms 0 KB -