114. Little Endian to Big Endian

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

uint32_t convert_endian(uint32_t value) {
    uint32_t b0=value&0x000000FF;
    uint32_t b1=value&0x0000FF00;
    b1=b1>>8;
    uint32_t b2=value&0x00FF0000;b2=b2>>16;
    uint32_t b3=value&0xFF000000;b3=b3>>24;
    return ((b0<<24)|(b1<<16)|(b2<<8)|(b3<<0));
}

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