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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     char input_str[100];
  5.     char output_str[200];
  6.     char *in;
  7.     char *out;
  8.     int n = 5;
  9.     int m = 5;
  10.  
  11.     fgets(input_str, 100 , stdin);
  12.  
  13.     in = input_str;
  14.     out = output_str;
  15.     while(*in >= 'A') {
  16.         *in = (*in >= 'J') ? (*in - 'A' - 1) : (*in - 'A');
  17.         *(out++) = (*in / m) + 'A';
  18.         *(out++) = (*in % n) + 'A';
  19.         in++;
  20.     }
  21.     *out = 0;
  22.     printf("%s\n", output_str);
  23.     return 0;
  24. }
  25.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin 
HELLO
stdout 
BCAECACACD
https://ideone.com/5zjr0I
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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