Submission #731747

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
731747	2023-04-27 21:48:53	rainboy	Fire drill (LMIO18_sauga)	C11	Compilation error	0 ms	0 KiB

sauga

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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define N 1000
#define MD  0x7fffffff
int *ej[N], *ed[N], eo[N];
void append(int i, int j, int d) {
  int o = eo[i]++;
  if (o >= 2 && (o & o - 1) == 0) {
    ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
    ed[i] = (int *) realloc(ed[i], o * 2 * sizeof *ed[i]);
  }
  ej[i][o] = j, ed[i][o] = d;
}
int ii[N], pp[N], dd[N], c, c_;
void swap(int i, int j) {
  int p = pp[i], q = pp[j], o;
  for (o = eo[i]; o--; ) {
    int k = ej[i][o], d = ed[i][o];
    if (d == 0) {
      if (pp[i] < pp[k] && --dd[i] == 0)
 
 
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Compilation message (stderr)

sauga.c: In function 'append':
sauga.c:14:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   14 |  if (o >= 2 && (o & o - 1) == 0) {
      |                     ~~^~~
sauga.c: In function 'main':
sauga.c:83:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |  scanf("%*d%d%d", &n, &c1);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~
sauga.c:89:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |   scanf("%d", &m);
      |   ^~~~~~~~~~~~~~~
sauga.c:91:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |    scanf("%d", &j), j--;
      |    ^~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cciOE7Rt.o: in function `main':
sauga.c:(.text.startup+0x21d): undefined reference to `exp'
collect2: error: ld returned 1 exit status