Submission #1286422

#	Time	Username	Problem	Language	Result	Execution time	Memory
1286422		torment	Snake Escaping (JOI18_snake_escaping)	C++20	5 / 100	2095 ms	2520 KiB

snake_escaping

#include<bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int L, q;
    cin >> L >> q;
    string s;
    cin >> s;
    for(int i = 0;i < q;++i){
        string t;
        cin >> t;
        reverse(t.begin(), t.end());
        int sum = 0;
        for(int j = 0;j < (1 << L);++j){
            bool f = true;
            for(int k = 0;k < L;++k){
                if(t[k] == '?')continue;
                int bit = ((j & (1 << k)) > 0);
                if(t[k] - '0' != bit)f = false;
            }
            if(f)sum += s[j] - '0';
        }
        cout << sum << '\n';
    }
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25