Submission #478885

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
478885	2021-10-08 19:03:07	rainboy	Kisik (COCI19_kisik)	C11	90 / 90	722 ms	31856 KiB

kisik

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#include <stdio.h>
#define N 1000000
#define INF 0x3f3f3f3f3f3f3f3fLL
long long min(long long a, long long b) { return a < b ? a : b; }
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int xx[N], yy[N], ii[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 (yy[ii[j]] == yy[i_])
        j++;
      else if (yy[ii[j]] < yy[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);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

kisik.c: In function 'main':
kisik.c:76:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
kisik.c:78:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   78 |   scanf("%d%d", &xx[i], &yy[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10