Submission #446920

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
446920	2021-07-23 19:23:59	rainboy	Zoltan (COCI16_zoltan)	C11	140 / 140	179 ms	8348 KiB

zoltan

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#include <stdio.h>
#include <string.h>
#define N 200000
#define MD  1000000007
unsigned int X;
int rand_() {
  return (X *= 3) >> 1;
}
int aa[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 (aa[ii[j]] == aa[i_])
        j++;
      else if (aa[ii[j]] < aa[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)

zoltan.c: In function 'main':
zoltan.c:61:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
zoltan.c:63:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~

• Subtask 1: 140 / 140