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  1. #include <stdio.h>
  2.  
  3.  
  4. int main(void)
  5. {
  6.     int a, b, n, s = 0;
  7.     char str[50][51];
  8.  
  9.     scanf("%d", &n);
  10.     printf("Check value. n[%d]\n", n);
  11.  
  12.     for(a = 0; a < n; a++) {
  13.         scanf("%s", str[a]);
  14.     }
  15.  
  16.     while(str[0][s] != ' ') {
  17.         s++;
  18.     }
  19.  
  20.     for (a = 0; a < n; a++) {
  21.         for (b = 0; b < s; b++) {
  22.             if (str[a][b] != str[a+1][b]) {
  23.                 str[a+1][b] = '?';
  24.             }
  25.         }
  26.  
  27.     }
  28.  
  29.     printf("%s", str[n - 1]);
  30.  
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0s 2116KB
comments (?)
stdin
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Standard input is empty
stdout
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Check value. n[0]
�
https://ideone.com/drwVRS
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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