Code = C ++, minh cam on

code của bạn nè:

#include <bits/stdc++.h>#define ll long long#define fr ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);using namespace std;const long long N=1e2+5,N1=1e3+5,N2=1e4+5,N3=1e5+5,N4=1e6+5,N5=1e7+5,mod=1e9+7,maxv=1e9;const int INF = numeric_limits<int>::max();struct Edge {    int to;    int capacity;    Edge(int _to, int _capacity):to(_to),capacity(_capacity){}};int fmc(vector<vector<Edge>>& a, int s, int t) {    int n = a.size();    vector<int> mc(n, 0);    vector<bool> v(n, false);    priority_queue<pair<int, int>> pq;    pq.push({INF, s});    mc[s] = INF;    while (!pq.empty()) {        int c = pq.top().second;        pq.pop();        if (c == t) {            return mc[c];        }        v[c] = true;        for (auto edge:a[c]) {            int next = edge.to;            int capacity = min(mc[c], edge.capacity);            if (!v[next]&&capacity>mc[next]) {                mc[next]=capacity;                pq.push({mc[next], next});            }        }    }
    return -1;}int n,m,s,t,x,y,z;int main(){ fr; //freopen(".inp","r",stdin); //freopen(".out","w",stdout); cin>>n>>m>>s>>t;    vector<vector<Edge>> a(n);    for (int i = 0; i < m; i++) {        cin>>x>>y>>z;        a[x-1].push_back(Edge(y-1, z));        a[y-1].push_back(Edge(x-1, z));    }    cout<<fmc(a,s-1,t-1);}//code was written by longdegea11 

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