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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define PAT_LEN 5
  5.  
  6. int main()
  7. {
  8.     char pattern[] = "<unk>";
  9.     char replacement[] = "<raw_unk>"; 
  10.     int c;
  11.     int buf[PAT_LEN];
  12.     int i, j;
  13.  
  14.     for (i = 0; (c = getchar()) != EOF;) {
  15.         if (c == pattern[i]) {
  16.             buf[i++] = c;
  17.             if (i == PAT_LEN) {
  18.                 printf("%s", replacement);
  19.                 i = 0;
  20.             }
  21.         } else {
  22.             if (i > 0) {
  23.                 for (j = 0; j < i; j++) {
  24.                     putchar(buf[j]);
  25.                 }
  26.                 i = 0;
  27.             }
  28.             putchar(c);
  29.         }
  30.     }
  31.  
  32.     return 0;
  33. }
Success #stdin #stdout 0s 4448KB
comments (?)
stdin
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<<unk>
stdout
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<<unk>
https://ideone.com/ncM2yy
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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