Submission #251225

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
251225	2020-07-20 15:49:48	teee	족보 (KOI18_family)	C++14	100 / 100	368 ms	64340 KiB

family

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int par[300'010];
int sz[300'010];
int kk;
int find(int n){
    return par[n]?par[n]=find(par[n]):n;
}
void merge(int a,int b){
    a=find(a);
    b=find(b);
    if(a^b){
        sz[a]+=sz[b];
        par[b]=a;
    }
}
vector<int> v[2][300'010];
vector<pair<int,vector<int>>> check;
pair<int,int> dfs(int n,int idx){
    if(n&&n<=kk){
        sz[n]=1;
        return {1,n};
    }
    int cnt=0;
    vector<int> t;
    int c=0;
    for(auto i:v[idx][n]){
        pair<int,int> k=dfs(i,idx);
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 27 / 27
• Subtask 3: 15 / 15
• Subtask 4: 41 / 41