제출 #619559

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
619559	2022-08-02 12:56:45	nohaxjustsoflo	Election Campaign (JOI15_election_campaign)	C++17	100 / 100	347 ms	49936 KiB

election_campaign

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#include <bits/stdc++.h>
#include <iostream>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> order_set;
mt19937 mt_rand(chrono::high_resolution_clock::now().time_since_epoch().count());
//uniform_int_distribution<int> gen; ///(min, max)
//int random() {return gen(mt_rand);}
const int mxN=3e5+5;
const int mod=998244353;
const int mxlogN=20;
const int mxK=26;
const int inf=2e9;
const int K=600;
vector<int> adj[mxN];
int up[mxlogN][mxN], down[mxN], in[mxN], out[mxN], timer_;
vector<int> who[mxN];
void dfs(int i=1, int p=1, int d=0)
{
    up[0][i]=p, down[i]=d, in[i]=timer_++;
    who[d].push_back(i);
    for(int j=1; j<mxlogN; j++) up[j][i]=up[j-1][up[j-1][i]];
    for(int j:adj[i]) if(j!=p) dfs(j,i,d+1);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40