Submission #1158560

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1158560	2025-02-27 08:13:08	AlgorithmWarrior	Valley (BOI19_valley)	C++20	100 / 100	113 ms	37128 KiB

valley

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#include <bits/stdc++.h>
using namespace std;
int const MAX=1e5+5;
int const LOG=20;
long long const INF=1e18;
int n,nrs,q,root;
struct edge{
    int nod,len;
};
struct muchie{
    int a,b;
}much[MAX];
vector<edge>tree[MAX];
int ancestor[MAX][LOG];
long long dist_shop[MAX][LOG];
bool shop[MAX];
long long nearest_sub[MAX];
long long dist_rt[MAX];
int niv[MAX];
void read(){
    cin>>n>>nrs>>q>>root;
    int i;
    for(i=1;i<n;++i){
        int a,b,w;
        cin>>a>>b>>w;
        tree[a].push_back({b,w});
        tree[b].push_back({a,w});
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 27 / 27
• Subtask 3: 23 / 23
• Subtask 4: 41 / 41