114. Little Endian to Big Endian

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

uint32_t convert_endian(uint32_t value) {
    uint32_t first=(value&0x000000FF)<<24;
    uint32_t se=(value&0x0000FF00)<<8;
    uint32_t thid=(value&0x00FF0000)>>8;
    uint32_t four=(value&0xFF000000)>>24;
    uint32_t reg=first|se|thid|four;
    return reg;
}

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