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  1.     #include <iostream>
  2.     #include <cstring>
  3.  
  4.     void encrypt(const char* password)
  5.     {
  6.     	size_t len = strlen(password);
  7.         size_t allocSize = strlen(password) + sizeof('+') + sizeof('\0');
  8.         size_t mid = len / 2;
  9.  
  10.         char left[16];
  11.         char right[16];
  12.  
  13. 		strncpy(left, password, len - mid);
  14. 		left[len - mid] = '\0';
  15. 		strcpy(right, password + mid);
  16.  
  17.         std::cout << "password = " << password
  18.                   << ", len = " << len
  19.                   << ", remainder = " << (len - mid)
  20.                   << ", mid = " << mid
  21.                   << ", left = " << left
  22.                   << ", right = " << right
  23.                   << '\n';
  24.     }
  25.  
  26.     int main()
  27.     {
  28.     	std::cout << "begin\n";
  29.         encrypt("12345678");
  30.         encrypt("123456789");
  31.  
  32.         return 0;
  33.     }
  34.  
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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begin
password = 12345678, len = 8, remainder = 4, mid = 4, left = 1234, right = 5678
password = 123456789, len = 9, remainder = 5, mid = 4, left = 12345, right = 56789
https://ideone.com/O6Na9t
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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