Submission #607308

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
607308	2022-07-26 14:49:47	AbdelmagedNour	Sprinkler (JOI22_sprinkler)	C++17	100 / 100	790 ms	95980 KiB

sprinkler

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#include <bits/stdc++.h>
#pragma GCC optimize ("Ofast")
using namespace std;
const int N=(2e5)+60,D=42;
int n,q,p[N];
long long mul[N][D],val[N],mod;
vector<vector<int>>adj;
void dfs(int v,int par){
    p[v]=par;
    for(auto&u:adj[v]){
        if(u==par)continue;
        dfs(u,v);
    }
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>mod;
    adj.resize(n+50);
    for(int i=1;i<n;i++){
        int u,v;
        cin>>u>>v;
        u--;v--;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    dfs(0,-1);
    int last=0;
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 9 / 9
• Subtask 3: 29 / 29
• Subtask 4: 12 / 12
• Subtask 5: 30 / 30
• Subtask 6: 17 / 17