Submission #898250

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
898250	2024-01-04 12:05:53	oviyan_gandhi	Olympic Bus (JOI20_ho_t4)	C++17	100 / 100	337 ms	4048 KiB

ho_t4

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#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9;
typedef pair<int, int> pii;
#define MAXN 200
#define MAXM 50000
struct Edge {
    int u, v, c, d;
};
int n, m;
Edge edges[MAXM];
list<int> adj[MAXN];
int dist[MAXN][MAXN];
int dis[MAXN];
int cost(int s, int t, int ri){
    fill(dis, dis+n, INF);
    priority_queue<pii, vector<pii>, greater<pii>> pq;
    pq.push({0, s});
    dis[s] = 0;
    while (!pq.empty()){
        auto [d, u] = pq.top();
        pq.pop();
        if (dis[u] != d) continue;
        if (u == t) return d;
        if (ri != -1 && edges[ri].v == u){
            int v = edges[ri].u, cd = edges[ri].c;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 11 / 11
• Subtask 3: 21 / 21
• Subtask 4: 63 / 63