제출 #819892

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
819892	2023-08-10 15:02:00	Marco_Escandon	분수 공원 (IOI21_parks)	C++17	30 / 100	94 ms	23328 KiB

parks

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#include "parks.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll cad[7][200004]={ };
struct UFDS{
    typedef long long ll;
    ll nds;
    vector<ll> P,S;
    void init(ll n){
        nds=n;
        P.resize(n+1);S.resize(n+1);
        for(int i=0; i<=n; i++){
            P[i]=i;
            S[i]=1;
        }
    }
    ll Find_Set(ll i){
        if(P[i]==i)return i;
        else return P[i]=Find_Set(P[i]);
    }
    ll Size_Set(ll i){
        return S[Find_Set(i)];
    }
    void Union_Set(ll a, ll b){
        a=Find_Set(a);
        b=Find_Set(b);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:137:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  137 |     for(int i=0; i<a.size(); i++)
      |                  ~^~~~~~~~~
parks.cpp:141:23: warning: comparison of integer expressions of different signedness: 'UFDS::ll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |     if(asd.Size_Set(0)!=x.size())
      |        ~~~~~~~~~~~~~~~^~~~~~~~~~
parks.cpp:52:8: warning: unused variable 'pl' [-Wunused-variable]
   52 |     ll pl=0;
      |        ^~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30