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  1. #include <stdio.h>
  2.  
  3. void fixMistake(char s[]) {
  4.     int i;
  5.     for (i = 0; s[i] != '\0'; i++) {
  6.         if (s[i] == '1') {
  7.             s[i] = 'I'; 
  8.         }
  9.     }
  10. }
  11.  
  12. int main(void) {
  13.  
  14.     char str1[] = "1NFORMAT1ON";
  15.     char str2[] = "1iI";
  16.  
  17.     printf("変換前: %s\n", str1);
  18.     fixMistake(str1);
  19.     printf("変換後: %s\n\n", str1); 
  20.  
  21.     printf("変換前: %s\n", str2);
  22.     fixMistake(str2);
  23.     printf("変換後: %s\n", str2); 
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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変換前: 1NFORMAT1ON
変換後: INFORMATION

変換前: 1iI
変換後: IiI
https://ideone.com/IhEZ8d
language:
C (gcc 8.3)
created:
2 hours ago
visibility:
public

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