제출 #670022

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
670022	2022-12-07 19:19:40	rainboy	Hamburg Steak (JOI20_hamburg)	C11	15 / 100	3086 ms	4740 KiB

hamburg

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#include <stdio.h>
#include <stdlib.h>
#define N 200000
#define INF 0x3f3f3f3f
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
int xx1[N], xx2[N], yy1[N], yy2[N], xx[N], yy[N], n;
int pierced(int i, int k) {
  int h;
  for (h = 0; h < k; h++)
    if (xx1[i] <= xx[h] && xx[h] <= xx2[i] && yy1[i] <= yy[h] && yy[h] <= yy2[i])
      return 1;
  return 0;
}
void solve(int k_, int k) {
  int h, i, x1, x2, y1, y2;
  x1 = INF, x2 = -1, y1 = INF, y2 = -1;
  for (i = 0; i < n; i++)
    if (!pierced(i, k_)) {
      x1 = min(x1, xx2[i]), x2 = max(x2, xx1[i]);
      y1 = min(y1, yy2[i]), y2 = max(y2, yy1[i]);
    }
  if (x1 == INF) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

hamburg.c: In function 'main':
hamburg.c:52:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
hamburg.c:54:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |   scanf("%d%d%d%d", &xx1[i], &yy1[i], &xx2[i], &yy2[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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