- #include <iostream> 
- using namespace std; 
-   
- unsigned int merged(unsigned char a, unsigned char b) { 
- 	unsigned int r = a;  
- 	for (; b; b>>=1)  
- 	    r = (r<<1)|(b&1); 
- 	return r; 
- } 
-   
- int main() { 
-   
- 	unsigned char x = 0b110101; 
- 	unsigned char y = 0b10011; 
-   
- 	cout << (merged(x,y)==0b11010111001 ? "yes!":"fail")<<endl;   
- 	cout << (merged(y,x)==0b10011101011 ? "yes!":"fail")<<endl;   
-   
- 	return 0; 
- } 
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