17 lines
477 B
C
17 lines
477 B
C
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#include<stdio.h>
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#include<stdlib.h>
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#include <math.h>
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//Argv[1] is the integer Argv[2] is the index
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int get_bit_at(int number, int index);
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int main(int argc, char ** argv) {
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int num = atoi(argv[1]);
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int index = atoi(argv[2]);
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printf("%d\n", get_bit_at(num, index));
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}
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int get_bit_at(int number, int index) {
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int pos = (int) pow(2.0, index); // 00100000
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int result = number & pos; // 11110110
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// 00100000
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return result >> index;
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}
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