Checksum Validation

Code

#include <stdio.h>

int validate_checksum(int *mem, int n) {
    int sum = *mem; 

    for(int* p = mem + 1; p <= (mem + (n - 2)); p++){
        sum ^= *p; 
    }

    if(sum == *(mem + (n - 1))){
        return 1; 
    }
    return 0;
}

int main() {
    int n, arr[100];
    scanf("%d", &n);
    
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int result = validate_checksum(arr, n);
    printf("%d", result);

    return 0;
}

Solving Approach

There is a typo in the problem Example-1. The sum should be 40 not 60!