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How to swap the first 4 bits of a number with the last 4 bits in C

1 Answer

0 votes
#include <stdio.h>

void print_bits(unsigned int n) { 
    for (int i = 7; i >= 0; i--)
       printf("%d", (n >> i) & 1);
    printf("\n");
}


int main() 
{ 
    int n = 92; 
 
    print_bits(n);
 
    n = ((n & 0xf0) >> 4) | ((n & 0x0f) << 4);
     
    print_bits(n);
       
    return 0; 
} 
   
   
   
/*
run:
   
01011100
11000101
 
*/

 




answered Mar 14 by avibootz
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