114. Little Endian to Big Endian

#include <stdio.h>
#include <stdint.h>

uint32_t convert_endian(uint32_t value) {
    uint32_t hi0 = (value & 0xff) << 24;
    uint32_t hi1 = (value & 0xff00) << 8;
    uint32_t hi2 = (value & 0xff0000) >> 8 ;
    uint32_t hi3 = (value & 0xff000000) >> 24;

    return (hi0 | hi1 | hi2 | hi3) ;
}

int main() {
    uint32_t val;
    scanf("%u", &val);
    printf("%u", convert_endian(val));
    return 0;
}