Submission #934410

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
934410	2024-02-27 09:56:22	MinaRagy06	Snake Escaping (JOI18_snake_escaping)	C++17	22 / 100	799 ms	65536 KiB

snake_escaping

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
int dp[21][1 << 20], dp2[21][1 << 20];
int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    int n, q;
    cin >> n >> q;
    int m = n;
    n = 1 << n;
    int a[n];
    for (int i = 0; i < n; i++) {
        char c;
        cin >> c;
        a[i] = c - '0';
    }
    for (int i = 0; i < n; i++) dp[m][i] = a[i], dp2[m][i] = a[i];
    for (int i = m - 1; i >= 0; i--) {
        for (int j = 0; j < n; j++) {
            dp[i][j] = dp[i + 1][j];
            dp2[i][j] = dp2[i + 1][j];
            if ((j >> i) & 1) {
                dp[i][j] += dp[i + 1][j ^ (1 << i)];
            } else {
                dp2[i][j] += dp2[i + 1][j ^ (1 << i)];
            }
        }
    }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25