08a.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <stdbool.h>
   5
   6 int main()
   7 {
   8         char *buf = NULL;
   9         size_t len = 0;
  10         int r = 0;
  11
  12         while (getline(&buf, &len, stdin) != -1) {
  13                 char *p = strtok(buf, " ");
  14                 bool inoutput = false;
  15                 while ((p = strtok(NULL, " ")) != NULL) {
  16                         if (strcmp(p, "|") == 0)
  17                                 inoutput = true;
  18                         else if (inoutput) {
  19                                 int l = strlen(p);
  20                                 if (p[l-1] == '\n')
  21                                         p[(l--)-1] = '\0';
  22                                 if (l == 2 || l == 3 || l == 4 || l == 7)
  23                                         r++;
  24                         }
  25                 }
  26         }
  27         printf("%d\n", r);
  28 }