Submission #944403

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
944403	2024-03-12 16:56:38	rainboy	고기잡이 (KOI13_fish)	C11	0 / 18	1 ms	348 KiB

fish

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#include <stdio.h>
#define N 100
int max(int a, int b) { return a > b ? a : b; }
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int xx[N], yy[N];
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;
      }
    sort(ii, l, i);
    l = k;
 
 
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Compilation message (stderr)

fish.c: In function 'main':
fish.c:38:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |  scanf("%*d%d%d", &l, &n), l /= 2;
      |  ^~~~~~~~~~~~~~~~~~~~~~~~
fish.c:40:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |   scanf("%d%d", &xx[i], &yy[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 2.16
• Subtask 2: 0 / 2.7
• Subtask 3: 0 / 3.42
• Subtask 4: 0 / 4.32
• Subtask 5: 0 / 5.4