123. Carry Flag in 8-bit Addition

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

void add_with_carry(uint8_t a, uint8_t b, uint8_t* result, uint8_t* carry) {
    // Your logic here
    uint8_t tmp = 255 - a;
    if(tmp > b) {
        *carry = 0;
        *result = a + b;
    } else {
        *carry = 1;
        *result = b - tmp - 1;
    }
}

int main() {
    uint8_t a, b, result, carry;
    scanf("%hhu %hhu", &a, &b);

    add_with_carry(a, b, &result, &carry);

    printf("%u ", result);
    printf("%u", carry);
    return 0;
}