oj.uz

Submission #115988

# Submission time Handle Problem Language Result Execution time Memory
115988 2019-06-10T06:39:23 Z oolimry Snake Escaping (JOI18_snake_escaping) C++14
12 / 100
 1709 ms 65536 KB 
#include <bits/stdc++.h>

using namespace std;


int value[200000];
unordered_map<string,int> memo;
int n , q;
int dp(string s){
    if(memo.find(s) != memo.end()) return memo[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:42:21: 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 3 ms 640 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 8 ms 1280 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 6 ms 1024 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 768 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 640 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 8 ms 1280 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 6 ms 1024 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 768 KB Output is correct
11 Correct 221 ms 11208 KB Output is correct
12 Correct 261 ms 15224 KB Output is correct
13 Correct 294 ms 14784 KB Output is correct
14 Correct 280 ms 15080 KB Output is correct
15 Correct 283 ms 16760 KB Output is correct
16 Correct 331 ms 16500 KB Output is correct
17 Correct 499 ms 18864 KB Output is correct
18 Correct 197 ms 16220 KB Output is correct
19 Correct 208 ms 13184 KB Output is correct
20 Correct 242 ms 15304 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 640 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 8 ms 1280 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 6 ms 1024 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 768 KB Output is correct
11 Correct 221 ms 11208 KB Output is correct
12 Correct 261 ms 15224 KB Output is correct
13 Correct 294 ms 14784 KB Output is correct
14 Correct 280 ms 15080 KB Output is correct
15 Correct 283 ms 16760 KB Output is correct
16 Correct 331 ms 16500 KB Output is correct
17 Correct 499 ms 18864 KB Output is correct
18 Correct 197 ms 16220 KB Output is correct
19 Correct 208 ms 13184 KB Output is correct
20 Correct 242 ms 15304 KB Output is correct
21 Correct 286 ms 20696 KB Output is correct
22 Correct 451 ms 23008 KB Output is correct
23 Correct 1186 ms 41476 KB Output is correct
24 Correct 961 ms 37208 KB Output is correct
25 Correct 1118 ms 48596 KB Output is correct
26 Correct 1709 ms 65536 KB Output is correct
27 Runtime error 1554 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
28 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 640 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 8 ms 1280 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 6 ms 1024 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 768 KB Output is correct
11 Runtime error 9 ms 4772 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 3 ms 640 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 4 ms 640 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 8 ms 1280 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 6 ms 1024 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 768 KB Output is correct
11 Correct 221 ms 11208 KB Output is correct
12 Correct 261 ms 15224 KB Output is correct
13 Correct 294 ms 14784 KB Output is correct
14 Correct 280 ms 15080 KB Output is correct
15 Correct 283 ms 16760 KB Output is correct
16 Correct 331 ms 16500 KB Output is correct
17 Correct 499 ms 18864 KB Output is correct
18 Correct 197 ms 16220 KB Output is correct
19 Correct 208 ms 13184 KB Output is correct
20 Correct 242 ms 15304 KB Output is correct
21 Correct 286 ms 20696 KB Output is correct
22 Correct 451 ms 23008 KB Output is correct
23 Correct 1186 ms 41476 KB Output is correct
24 Correct 961 ms 37208 KB Output is correct
25 Correct 1118 ms 48596 KB Output is correct
26 Correct 1709 ms 65536 KB Output is correct
27 Runtime error 1554 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
28 Halted 0 ms 0 KB -