Checksum encoder

#include <stdio.h>

int main() {

    int a[10], b[10], sum[10], chk[10], carry = 0, n, i;

    printf("Checksum Program for Two Segments\n");

    printf("Enter the number of bits in each segment: ");

    scanf("%d", &n);

    // Input the two segments

    printf("Enter the first segment (%d bits): ", n);

    for (i = n - 1; i >= 0; i--) {

        scanf("%d", &a[i]);

    }

    printf("Enter the second segment (%d bits): ", n);

    for (i = n - 1; i >= 0; i--) {

        scanf("%d", &b[i]);

    }

    // Calculate the sum of the two segments with carry

    for (i = 0; i < n; i++) {

        sum[i] = (a[i] + b[i] + carry) % 2;

        carry = (a[i] + b[i] + carry) / 2;

    }

    // Add carry to the sum if it exists

    if (carry == 1) {

        for (i = 0; i < n; i++) {

            int temp = (sum[i] + carry) % 2;

            carry = (sum[i] + carry) / 2;

            sum[i] = temp;

        }

    }

    // Calculate the checksum (1's complement of the sum)

    printf("Checksum: ");

    for (i = n - 1; i >= 0; i--) {

        chk[i] = sum[i] == 1 ? 0 : 1; // Invert the bits

        printf("%d", chk[i]);

    }

    printf("\n");

    return 0;

}