42 lines
833 B
C
42 lines
833 B
C
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/*
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* C Program to find the Highest Bit Set for any given Integer
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*/
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#include <stdio.h>
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#define NUM_BITS sizeof(int)*8
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int highest_bit_set(int);
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void display(int);
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int i = NUM_BITS;
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void main()
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{
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int num, pos;
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printf("\nenter the number:");
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scanf("%d", &num);
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display(num);
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pos = highest_bit_set(num);
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printf("\nthe position of the highest bit set is %d", pos);
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}
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/* RETURNS THE POSITION */
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int highest_bit_set(int num)
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{
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int count = 0;
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while (num >> 1 != 0)
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{
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count++;
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num = num >> 1;
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}
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return(count);
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}
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/* DISPLAYS THE NUMBER IN BINARY REPRESENTATION */
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void display(int num)
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{
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int c;
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c = num & 1;
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if (i > 0)
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{
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i--;
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display(num >> 1);
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}
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printf("%d", c);
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}
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