Submission #955539

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
955539	2024-03-30 21:49:12	rainboy	Non-boring sequences (CERC12_D)	C11	0 / 1	77 ms	6752 KiB

D

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#include <stdio.h>
#include <string.h>
#define N 200000
#define N_  (1 << 18) /* N_ = pow2(ceil(log2(N + 1))) */
#define INF 0x3f3f3f3f
int min(int a, int b) { return a < b ? a : b; }
unsigned int X = 12345;
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) {
      int c = aa[ii[j]] != aa[i_] ? aa[ii[j]] - aa[i_] : ii[j] - i_;
      if (c == 0)
        j++;
      else if (c < 0) {
        tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
        i++, j++;
      } else {
 
 
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Compilation message (stderr)

D.c: In function 'main':
D.c:77:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |  scanf("%d", &t);
      |  ^~~~~~~~~~~~~~~
D.c:82:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |   scanf("%d", &n);
      |   ^~~~~~~~~~~~~~~
D.c:84:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |    scanf("%d", &aa[i]);
      |    ^~~~~~~~~~~~~~~~~~~

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