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  1. #include <stdio.h>
  2.  
  3. int strEqualsIgnoreCase(char *s, char *t) {
  4.     while (*s && *s == *t) {
  5.         if (*s == '\0') return 1;
  6.         s++; t++;
  7.     }
  8.     return 0;
  9. }
  10.  
  11. void toUpperCase(char *s) {
  12.     while (*s) {
  13.         if ('a' <= *s && *s <= 'z') *s -= 32;
  14.         s++;
  15.     }
  16. }
  17.  
  18. int fuzzyCompare(char *s, char *t) {
  19.     toUpperCase(s);
  20.     toUpperCase(t);
  21.     return strEqualsIgnoreCase(s, t);
  22. }
  23.  
  24. int main() {
  25.     char s[100], t[100];
  26.     scanf("%s %s", s, t);
  27.     printf("%s = %s -> %d\n", s, t, fuzzyCompare(s, t));
  28.     return 0;
  29. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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AbcD aBcD
stdout
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ABCD = ABCD -> 0
https://ideone.com/D8rIXo
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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