제출 #831608

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
831608	2023-08-20 11:14:51	andrey27_sm	분수 공원 (IOI21_parks)	C++17	5 / 100	245 ms	46376 KiB

parks

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#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int>> cons[200001];
int mask_l[200001];
vector<int> u;
vector<int> v;
vector<int> a;
vector<int> b;
struct dsu{
  int sz = 0;
  vector<int> pr;
  int p(int v){
    if(pr[v] == v) return v;
    return pr[v] = p(pr[v]);
  }
  void un(int u,int v){
    u = p(u);
    v = p(v);
    if(u == v) return;
    pr[u] = v;
    sz++;
  }
} D;
struct edge{
  int x;
  int y;
  int type; // 0 - vert, 1 - hor;
  int a;
  int 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:71:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |  for (int i = 0; i < E.size(); ++i)
      |                  ~~^~~~~~~~~~
parks.cpp:75:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |  for (int i = 0; i < E.size(); ++i)
      |                  ~~^~~~~~~~~~
parks.cpp:116:19: warning: comparison of integer expressions of different signedness: 'std::set<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  116 |  if(points.size() != n-1) return 0;
      |     ~~~~~~~~~~~~~~^~~~~~

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