제출 #778809

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
778809	2023-07-10 17:52:15	Ahmed57	Cats or Dogs (JOI18_catdog)	C++17	100 / 100	364 ms	26828 KiB

catdog

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#include <bits/stdc++.h>
#include "catdog.h"
using namespace std;
vector<int> adj[200001];
int n;
int val[200001];
int sz[200001];
int P[200001];
int arr[200001];
int root[200001];
int down[200001];
void co(int i,int pr){
    sz[i] = 1;
    for(auto j:adj[i]){
        if(j==pr)continue;
        co(j,i);
        sz[i]+=sz[j];
    }
}
int no = 1;
void dfs(int i,int pr,int ro){
    val[i] = no++;
    root[i] = ro;
    down[ro] = i;
    P[i] = pr;
    int ma = -1 , su = 0;
    for(auto j:adj[i]){
        if(j==pr)continue;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 8 / 8
• Subtask 2: 30 / 30
• Subtask 3: 62 / 62