52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
|
/*
|
||
|
|
* C Program to next higher value of n with same 1's
|
||
|
|
*/
|
||
|
|
#define NUM_BITS_INT 32
|
||
|
|
#include <stdio.h>
|
||
|
|
int newcount(int);
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
int count1 = 0, k = 0, j, t, n, bit, i = 1, count = 0;
|
||
|
|
printf("Enter a number : ");
|
||
|
|
scanf("%d", &n);
|
||
|
|
t = n;
|
||
|
|
while(t != 0)
|
||
|
|
{
|
||
|
|
bit = t & 0x80000000;
|
||
|
|
if (bit == -0x80000000)
|
||
|
|
{
|
||
|
|
bit = 1;
|
||
|
|
}
|
||
|
|
if (bit == 1)
|
||
|
|
count++;
|
||
|
|
t = t << 1;
|
||
|
|
}
|
||
|
|
for (k = n + 1;; k++)
|
||
|
|
{
|
||
|
|
count1 = newcount(k);
|
||
|
|
if (count1 == count)
|
||
|
|
{
|
||
|
|
printf("The next highest number is : %d ", k);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* To count the no. of 1's in the no. */
|
||
|
|
int newcount(int k)
|
||
|
|
{
|
||
|
|
int bit, count = 0;
|
||
|
|
while (k != 0)
|
||
|
|
{
|
||
|
|
bit = k & 0x80000000;
|
||
|
|
if (bit == -0x80000000)
|
||
|
|
{
|
||
|
|
bit = 1;
|
||
|
|
}
|
||
|
|
if (bit == 1)
|
||
|
|
count++;
|
||
|
|
k = k << 1;
|
||
|
|
}
|
||
|
|
return(count);
|
||
|
|
}
|