제출 #964044

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
964044	2024-04-16 08:52:59	SuPythony	슈퍼트리 잇기 (IOI20_supertrees)	C++17	11 / 100	164 ms	24224 KiB

supertrees

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#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
class DSU {
    vector<int> par;
    vector<int> siz;
public:
    DSU(int n) {
        par.resize(n);
        iota(par.begin(),par.end(),0);
        siz.assign(n,1);
    }
    int find_set(int u) {
        if (par[u]==u) return u;
        return par[u]=find_set(par[u]);
    }
    bool is_same(int u, int v) {
        return find_set(u)==find_set(v);
    }
    bool unite_set(int u, int v) {
        u=find_set(u);
        v=find_set(v);
        if (u==v) return false;
        if (siz[u]<siz[v]) swap(u,v);
        par[v]=u;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:90:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |         for (int j=0; j<v.size()-1; j++) {
      |                       ~^~~~~~~~~~~

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