Submission #395770

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
395770	2021-04-28 22:26:35	rainboy	Drzava (COCI15_drzava)	C11	Compilation error	0 ms	0 KiB

drzava

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#include <math.h>
#include <stdio.h>
#include <string.h>
#define N 50000
#define K 30
unsigned int X = 12345;
int rand_() {
  return (X *= 3) >> 1;
}
int xx[N], yy[N], aa[N], ii[N], n, k;
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);
 
 
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Compilation message (stderr)

drzava.c: In function 'main':
drzava.c:190:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  190 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
drzava.c:192:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  192 |   scanf("%d%d%d", &xx[i], &yy[i], &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/ccg8pQ78.o: In function `solve':
drzava.c:(.text+0x977): undefined reference to `sqrt'
/tmp/ccg8pQ78.o: In function `main':
drzava.c:(.text.startup+0x157): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status