114. Little Endian to Big Endian

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

uint32_t convert_endian(uint32_t value) {
    // Write logic to swap bytes
    uint32_t retval = 0;
    retval = (value & 0xff) << 24; //32 - 8
    retval |= ((value>>8) & 0xff) << 16;
    retval |= ((value >> 16) & 0xff) << 8; 
    retval |= (value >> 24) & 0xff; 
    return retval;
}

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