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  1. #include <cstdio>
  2. #include <cstdlib>
  3. #include <ctype.h>
  4. #include <cstring>
  5. #include <unistd.h>
  6. #include <iostream>
  7. using namespace std;
  8.  
  9. char* read(char str[]) {
  10.     size_t size = strlen(str);
  11.     char* ret = (char*)malloc(size - 3);
  12.  
  13.     for (size_t i = 4; i < size; i++)
  14.         ret[i - 4] = (str[i - 1] != str[i]) ? '1' : '0';
  15.  
  16.     return ret;
  17. }
  18.  
  19. char* write(const char str[]) {
  20.     size_t size = strlen(str);
  21.     char* ret = (char*)malloc(size + 5);
  22.     strcpy(ret, "DDDD"); // Początkowe 4 znaki 'D'
  23.  
  24.     for (size_t i = 0; i < size; i++){
  25.         if (str[i] == '1')
  26.             ret[i + 4] = (ret[i + 3] == 'D') ? 'G' : 'D';
  27.         else
  28.             ret[i + 4] = (ret[i + 3] == 'D') ? 'D' : 'G';
  29.     }
  30.     return ret;
  31. }
  32.  
  33. int main() {
  34.  
  35. 	char str[1005];
  36. 	int n = read(STDIN_FILENO, str, 1005); str[n] = '\0';
  37. 	char* result = str[0]>64 ? read(str) : write(str) ;
  38. 	printf("%s",result);
  39.  
  40.     free(result);
  41.  
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
DDDDD
stdout 
Standard output is empty
https://ideone.com/RbwkOB
language:
C++14 (clang 8.0)
created:
2 years ago
visibility:
public

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