Submission #996396

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
996396	2024-06-10 14:37:40	yanb	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	352 ms	32452 KiB

snake_escaping

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#include <bits/stdc++.h>
    
using namespace std;
    
#define int long long
#define pii pair<long long, long long>
#define t3i tuple<long long, long long, long long>
int build(vector<int> &tri, vector<int> &ans, string &tox, int l, int q) {
    int v = 0;
    for (int i = 0; i < l; i++) {
        v *= 3;
        v += tri[i];
    }
    if (ans[v] != -1) return ans[v];
    bool ok = 0;
    for (int i = 0; i < l; i++) {
        if (tri[i] == 2) {
            int cans = 0;
            tri[i] = 0;
            cans += build(tri, ans, tox, l, q);
            tri[i] = 1;
            cans += build(tri, ans, tox, l, q);
            tri[i] = 2;
            ans[v] = cans;
            ok = 1;
        }
    }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25