Submission #824138

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
824138	2023-08-13 15:18:38	rainboy	Flip it and Stick it (CCO23_day2problem1)	C11	25 / 25	6 ms	724 KiB

Main

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#include <stdio.h>
#include <string.h>
#define N 200000
int max(int a, int b) { return a > b ? a : b; }
int count(char *aa, int n, char *bb, int m) {
  int i, k;
  k = 0;
  for (i = 0; i + m <= n; i++)
    if (strncmp(aa + i, bb, m * sizeof *bb) == 0)
      k++;
  return k;
}
int main() {
  static char aa[N + 1], bb[4];
  int n, m, i, j, a, d, k1, k2, k, l;
  scanf("%s%s", aa, bb), n = strlen(aa), m = strlen(bb);
  k = count(aa, n, bb, m);
  if (m == 1)
    printf(k != 0 ? "-1\n" : "0\n");
  else if (m == 2) {
    if (bb[0] != bb[1])
      printf("%d\n", k);
    else {
      d = 0;
 
 
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Compilation message (stderr)

Main.c: In function 'main':
Main.c:22:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |  scanf("%s%s", aa, bb), n = strlen(aa), m = strlen(bb);
      |  ^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 3 / 3
• Subtask 3: 4 / 4
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 7 / 7