제출 #573606

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
573606	2022-06-06 23:53:00	rc_catunta	슈퍼트리 잇기 (IOI20_supertrees)	C++14	19 / 100	195 ms	24108 KiB

supertrees

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#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> padre,rnk,tam;
void init(int n){
    padre.assign(n,0);
    rnk.assign(n,1);
    tam.assign(n,1);
    for(int i=0;i<n;i++){
        padre[i]=i; // Es su propio padre
    }
}
int buscar(int x){
    if(padre[x]==x) return x;
    else return padre[x]=buscar(padre[x]);
}
bool mismo_conjunto(int a,int b){
    return buscar(a)==buscar(b);
}
void unir(int a,int b){
    if(!mismo_conjunto(a,b)){
        a = buscar(a);
        b = buscar(b);
        if(rnk[a]>=rnk[b]){
            // B se una a A
 
 
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컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:78:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |         for(int i=0;i<lista.size();i++){
      |                     ~^~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 10
• Subtask 3: 19 / 19
• Subtask 4: 0 / 35
• Subtask 5: 0 / 21
• Subtask 6: 0 / 4