C

Find the how many bits is turned on in a numebr

unsigned int num_ones(unsigned int n) { 
unsigned int num = 0;
while(n) { num += (n&1); n >>= 1; }
return num; 
} 

Find the how many bits is turned on in a numebr

unsigned int num_ones(unsigned int n) { 
unsigned int num = 0;
while(n) { num += (n&1); n >>= 1; }
return num; 
}