Submission #546212

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
546212	2022-04-06 16:21:45	Deepesson	Power Plant (JOI20_power)	C++17	100 / 100	885 ms	28324 KiB

power

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#include <bits/stdc++.h>
#define MAX 205000
std::vector<int> con[MAX];
bool existe[MAX];
int dfs(int pos,int prev){
    int size=1;
    for(auto&x:con[pos]){
        if(x==prev||existe[x])continue;
        size+=dfs(x,pos);
    }
    return size;
}
int centroide;
int find_centroide(int pos,int prev,int sz){
    int size=1;
    int max=0;
    for(auto&x:con[pos]){
        if(x==prev||existe[x])continue;
        int b =find_centroide(x,pos,sz);
        size+=b;
        max=std::max(max,b);
    }
    max=std::max(max,sz-size);
    if(max<=sz/2)centroide=pos;
    return size;
}
std::string valores;
int explora(int pos,int prev){
    int ans=0;
    if(valores[pos]=='1')ans=1;
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 41 / 41
• Subtask 3: 53 / 53