Submission #649747

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
649747	2022-10-11 10:12:58	RealSnake	Commuter Pass (JOI18_commuter_pass)	C++17	0 / 100	2079 ms	9072 KiB

commuter_pass

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#include "bits/stdc++.h"
#define ll long long
using namespace std;
int n, m, s, t, u, v;
int a[100005];
ll dist[100005], distt[305][305];
vector<pair<int, ll>> node[100005];
int ind;
ll ans;
void dfs(int x) {
    a[ind++] = x;
    if(x == t) {
        ll p1 = 1e18, p2 = 1e18;
        for(int i = 0; i < ind; i++) {
            p1 = min(p1, distt[u][a[i]]);
            p2 = min(p2, distt[v][a[i]]);
        }
        ans = min(ans, p1 + p2);
        ind--;
        return;
    }
    for(auto [y, d] : node[x]) {
        if(dist[x] + d <= dist[y]) {
            dist[y] = dist[x] + d;
            dfs(y);
        }
    }
 
 
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• Subtask 1: 0 / 16
• Subtask 2: 0 / 15
• Subtask 3: 0 / 24
• Subtask 4: 0 / 45