114. Little Endian to Big Endian

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

typedef union  
{
    uint32_t val;
    uint8_t bytes[4];
} number_t;

uint32_t convert_endian(uint32_t value) {
    // Write logic to swap bytes
    number_t number;
    number.val = value;
    uint8_t temp;
    //swap first byte and last byte
    temp = number.bytes[0];
    number.bytes[0] = number.bytes[3];
    number.bytes[3] = temp;
    
    temp = number.bytes[1];
    number.bytes[1] = number.bytes[2];
    number.bytes[2] = temp;
    return number.val;
}

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