Submission #955835

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
955835	2024-03-31 14:25:41	rainboy	Graphic Madness (CERC12_K)	C11	1 / 1	17 ms	3676 KiB

K

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define N1  1000
#define N2  1000
#define L 1000
#define N (N1 + L + N2 + L)
#define M (N + L)
int *ej[N], eo[N], n, n1, n2, l;
void append(int i, int j) {
  int o = eo[i]++;
  
  if (o >= 2 && (o & o - 1) == 0)
    ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
  ej[i][o] = j;
}
int read_() {
  static char s[8];
  int i;
  scanf("%s", s);
  i = atoi(s + 2) - 1;
  if (s[0] == 'A' && s[1] == 'S')
    i += n1;
  else if (s[0] == 'B' && s[1] == 'P')
    i += n1 + l;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

K.c: In function 'append':
K.c:16:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   16 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
K.c: In function 'read_':
K.c:25:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |  scanf("%s", s);
      |  ^~~~~~~~~~~~~~
K.c: In function 'main':
K.c:99:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |  scanf("%d", &t);
      |  ^~~~~~~~~~~~~~~
K.c:103:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  103 |   scanf("%d%d%d", &l, &n1, &n2);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1