제출 #683622

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
683622	2023-01-18 22:18:22	rainboy	Arranging Tickets (JOI17_arranging_tickets)	C11	65 / 100	6037 ms	4172 KiB

arranging_tickets

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#include <stdio.h>
#include <string.h>
#define N 100000
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int xx[N * 2];
void sort(int *ii, int l, int r) {
  while (l < r) {
    int i = l, j = l, k = r, i_ = ii[l + rand_() % (r - l)], tmp;
    while (j < k) {
      if (xx[ii[j]] == xx[i_])
        j++;
      else if (xx[ii[j]] < xx[i_]) {
        tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
        i++, j++;
      } else {
        k--;
        tmp = ii[j], ii[j] = ii[k], ii[k] = tmp;
      }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

arranging_tickets.c: In function 'main':
arranging_tickets.c:86:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |  scanf("%d%d", &m, &n);
      |  ^~~~~~~~~~~~~~~~~~~~~
arranging_tickets.c:88:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |   scanf("%d%d%d", &xx[i << 1 | 0], &xx[i << 1 | 1], &cc[i]), xx[i << 1 | 0]--, xx[i << 1 | 1]--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 35 / 35
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 15