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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main() {
  5.     char s[100];
  6.  
  7.     // 文字列入力
  8.     scanf("%s", s);
  9.  
  10.     // 1文字ずつチェック
  11.     for (int i = 0; i < strlen(s); i++) {
  12.         if (s[i] == '1') {
  13.             s[i] = 'I';
  14.         }
  15.     }
  16.  
  17.     // 結果出力
  18.     printf("%s\n", s);
  19.  
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5308KB
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Standard input is empty
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language:

						
C (gcc 8.3)

					

					

						
created:
								
						
18 hours ago

					

					

						
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