Question

How to left shift bit in C

Answer 1

#include <stdio.h>
#include <stdlib.h>

int main(void) {
    int n = 3;

    for (int i = 0; i < 5; i++) {
		char bits[17];
        itoa((n << i) ,bits, 2); 
        printf("Left shift by %d: %s | %d\n", i, bits, n << i);
    }

    return 0;
}



/*
run:

Left shift by 0: 11 | 3
Left shift by 1: 110 | 6
Left shift by 2: 1100 | 12
Left shift by 3: 11000 | 24
Left shift by 4: 110000 | 48

*/

 

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