#include <stdio.h> #include <stdint.h> uint32_t extract_even_bits(uint32_t reg) { uint32_t even = 0; unsigned char cnt = 0; for (int i = 0; i < 32; i += 2) { if ((reg >> i) & 1) { even |= (1 << cnt); } cnt++; } return even; } int main() { uint32_t reg; scanf("%u", ®); printf("%u", extract_even_bits(reg)); return 0; }
Test Cases
Test Results
Input
85
Expected Output
15