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  1. #include <iostream>
  2. #include <string>
  3. #include <cstring>
  4. #define T_SIZE 1001
  5.  
  6. using namespace std;
  7.  
  8. char* string_merge(char *, char *);
  9.  
  10. int main()
  11. {
  12.     int t;
  13.     cin >> t;
  14.  
  15.     char *S1 = new char[T_SIZE];
  16.     char *S2 = new char[T_SIZE];
  17.     char *S3 = new char[2*T_SIZE];
  18.  
  19.     for(int i=0; i<t; i++)
  20.     {
  21.         cin >> S1;
  22.         cin >> S2;
  23.         S3 = string_merge(S1, S2);
  24.         cout << S3 << endl;
  25.     }
  26.  
  27.     delete [] S1;
  28.     delete [] S2;
  29.     delete [] S3;
  30.  
  31.     return 0;
  32. }
  33.  
  34. char* string_merge(char *str1, char *str2)
  35. {
  36.     unsigned int str1_len = strlen(str1);
  37.     unsigned int str2_len = strlen(str2);
  38.  
  39.     unsigned int nr;
  40.  
  41.     if(str1_len == str2_len)
  42.         nr = str1_len * 2;
  43.     else if (str1_len > str2_len)
  44.         nr = str2_len * 2;
  45.     else
  46.         nr = str1_len * 2;
  47.  
  48.     char *str_new = new char[nr];
  49.  
  50.     unsigned int j, k;
  51.     j=0;
  52.     k=0;
  53.  
  54.     for (int i=0; i<nr; i++)
  55.     {
  56.         if(i%2 == 0)
  57.         {
  58.             str_new[i] = str1[j];
  59.             j++;
  60.         }
  61.         else
  62.         {
  63.             str_new[i] = str2[k];
  64.             k++;
  65.         }
  66.     }
  67.     return str_new;
  68. }
  69.  
Success #stdin #stdout 0.01s 15896KB
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https://ideone.com/0Ea1nA
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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