32. Rotate Right in a 32-bit Register

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KitNguynTun
KitNguynTun
Oct 09 2026
#include <stdio.h>
#include <stdint.h>

uint32_t rotate_right(uint32_t reg, uint8_t n) {
    // Your code here
    n &= 31;
    if(n == 0U) return reg;
    reg = (reg >> n) | (reg << (32 - n));
    return reg;
}

int main() {
    uint32_t reg;
    uint8_t n;
    scanf("%u %hhu", &reg, &n);
    printf("%u", rotate_right(reg, n));
    return 0;
}
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