제출 #57008

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
57008	2018-07-13 15:02:26	leejseo	원 고르기 (APIO18_circle_selection)	C++98	7 / 100	1047 ms	66804 KiB

circle_selection

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
inline long long sq(long long x) { return x * x; }
typedef struct Circle{
  int x, y;
  int r;
  int i;
  Circle(int i_, int x_, int y_, int r_){ i = i_, x = x_, y = y_, r = r_; }
  bool meet(const Circle &c) const{
    return (sq((long long) (x - c.x)) + sq((long long) (y - c.y)) <= sq((long long) (r + c.r)));
  }
  bool operator < (const Circle &c) const{
    if (r != c.r) return r > c.r;
    return i < c.i;
  }
} Circle;
vector<Circle> L;
set<pii> S; //bst w/ x-coord & index
int ans[300000];
bool vis[300000];
int N;
int input(){
  scanf("%d", &N);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

circle_selection.cpp: In function 'int input()':
circle_selection.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
circle_selection.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &x, &y, &r);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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