제출 #122854

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
122854	2019-06-29 11:22:23	diamond_duke	Circle selection (APIO18_circle_selection)	C++11	7 / 100	3060 ms	34040 KiB

circle_selection

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <algorithm>
#include <cstdio>
#include <vector>
using ll = long long;
inline ll sqr(ll x) { return x * x; }
struct circle { int x, y, r; } arr[300005], val[300005];
bool operator <(circle a, circle b)
{
  if (a.x == b.x)
    return a.y < b.y;
  return a.x < b.x;
}
bool intersect(circle a, circle b) { return sqr(a.x - b.x) + sqr(a.y - b.y) <= sqr(a.r + b.r); }
int seq[300005], ans[300005];
std::vector<int> vec[300005];
int main()
{
  int n, rad = 0, len = 0;
  scanf("%d", &n);
  for (int i = 0; i < n; i++)
  {
    scanf("%d%d%d", &arr[i].x, &arr[i].y, &arr[i].r);
    arr[i].x += 1e9;
    arr[i].y += 1e9;
    seq[i] = i;
    ans[i] = -1;
  }
  std::sort(seq, seq + n, [&] (int x, int y)
  {
    if (arr[x].r == arr[y].r)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
circle_selection.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &arr[i].x, &arr[i].y, &arr[i].r);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 0 / 30
• Subtask 6: 0 / 13