제출 #64375

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
64375	2018-08-04 09:02:29	zscoder	원 고르기 (APIO18_circle_selection)	C++17	64 / 100	3023 ms	58572 KiB

circle_selection

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
 
typedef long long ll;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef long double ld; 
typedef tree<ii, null_type, less<ii>, rb_tree_tag, tree_order_statistics_node_update> pbds;
struct circle
{
  int x,y,r,id;
  circle(int _x, int _y, int _r, int _id){x=_x;y=_y;r=_r;id=_id;}
};
bool operator<(circle a, circle b)
{
  if(a.r!=b.r) return a.r<b.r;
  else return a.id>b.id;
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

circle_selection.cpp: In function 'void init(int)':
circle_selection.cpp:41:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<vec.size();i++)
              ~^~~~~~~~~~~
circle_selection.cpp:49:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<xs.size();i++) V[i].clear();
              ~^~~~~~~~~~
circle_selection.cpp:50:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<vec.size();i++)
              ~^~~~~~~~~~~
circle_selection.cpp:57:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<xs.size();i++) sort(V[i].begin(),V[i].end());
              ~^~~~~~~~~~
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:78:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<vec.size();i++)
              ~^~~~~~~~~~~
circle_selection.cpp:89:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(x+dx>=0&&x+dx<xs.size()&&abs(xs[x]-xs[x+dx])<=2)
                ~~~~^~~~~~~~~~

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