Sliding Window Sum

#include <stdio.h>

void sliding_window_sum(int arr[], int n, int k) {
    // Your logic here
    int sum=0;
    int l=0,r=k-1;
    for(int i=0;i<k;i++){
        sum=sum+arr[i];
        
    }
    printf("%d ",sum);
    while(r<n-1){
        sum=sum-arr[l];
        l++;
        r++;
        sum+=arr[r];
        printf("%d ",sum);
    }
}

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

    sliding_window_sum(arr, n, k);
    return 0;
}