Submission #824073

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
824073	2023-08-13 13:01:35	Cookie	Sprinkler (JOI22_sprinkler)	C++14	100 / 100	692 ms	96440 KiB

sprinkler

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#include<bits/stdc++.h>
#include<fstream>
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
//ifstream fin("FEEDING.INP");
//ofstream fout("FEEDING.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ll mod = 1e9 + 7;
const int mxn = 2e5, mxr = 25e3, sq = 500, mxv = 1e6 + 5, mxvv = 130;
int n, l;
vt<int>adj[mxn + 1];
ll comp[mxn  + 1][41], h[mxn + 5], pa[mxn + 4];
void dfs(int s, int pre){
    pa[s] = pre;
    for(auto i: adj[s]){
        if(i != pre){
            dfs(i, s);
 
 
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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