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Checksum Validation

Code

#include <stdio.h>

int validate_checksum(int *mem, int n) {
    // Write your XOR scan logic here
    int sum = 0;
    for(int i=0 ; i<n-1 ; i++,mem++){
        sum ^= *mem;
    }
       return (sum == *mem) ? 1 : 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

 

 

 

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Input

5 10 20 30 40 60

Expected Output

0