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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. void replaceCharacter(char *str, char oldChar, char newChar) {
  5.     for (int i = 0; i < strlen(str); i++) {
  6.         if (str[i] == oldChar) {
  7.             str[i] = newChar;
  8.         }
  9.     }
  10. }
  11.  
  12. int main() {
  13.     char inputString[] = "1NFORMAT1ON";
  14.  
  15.     // 文字を置き換える
  16.     replaceCharacter(inputString, '1', 'I');
  17.  
  18.     // 結果を出力
  19.     printf("Result: %s\n", inputString);
  20.  
  21.     return 0;
  22. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
Result: INFORMATION
https://ideone.com/RyUFHA
language:
C99 (gcc 8.3)
created:
4 days ago
visibility:
public

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