Get Power through Bitwise

#include <stdio.h>

int getSize(int larger_dim){
    if(larger_dim <= 1){
        return 0;
    }
    
    int msb = 0;
    while(larger_dim > 1){
        larger_dim >>= 1;
        msb++;
    }
    int level = msb + 1;
    return level;
}

int main(void){
    int n = 5;
    printf("dim = %d\n", n);
    printf("level = %d\n", getSize(n));
    printf("size = %d", 1 << getSize(n));
    return 0;
}