#include <stdio.h> #include<stdint.h> unsigned char extractNibble(unsigned char reg, int pos) { // Write your code here if(pos==0) { reg &= 0x0F; } else if(pos == 1) { reg &= (0xF0>>4); } return reg; } int main() { unsigned char reg; int pos; scanf("%hhu %d", ®, &pos); printf("%d", extractNibble(reg, pos)); return 0; }
Test Cases
Test Results
Input
170 0
Expected Output
10