63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
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/*
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* C Program to next higher value of n with same 1's
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*/
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#define NUM_BITS_INT 32
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#include <stdio.h>
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int newcount(int);
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void main()
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{
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int count1 = 0, k = 0, j, t, n, bit, i = 1, count = 0;
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printf("Enter a number : ");
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scanf("%d", &n);
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t = n;
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while(t != 0)
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{
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bit = t & 0x80000000;
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if (bit == -0x80000000)
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{
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bit = 1;
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}
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if (bit == 1)
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count++;
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t = t << 1;
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}
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for (k = n + 1;; k++)
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{
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count1 = newcount(k);
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if (count1 == count)
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{
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printf("The next highest number is : %d ", k);
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break;
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}
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}
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}
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/* To count the no. of 1's in the no. */
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int newcount(int k)
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{
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int bit, count = 0;
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while (k != 0)
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{
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bit = k & 0x80000000;
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if (bit == -0x80000000)
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{
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bit = 1;
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}
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if (bit == 1)
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count++;
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k = k << 1;
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}
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return(count);
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}
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Enter a number : 128
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The next highest number is : 256
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Enter a number : 127
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The next highest number is : 191
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Enter a number : 6
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The next highest number is : 9
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Enter a number : 12
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The next highest number is : 17
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