Sliding Window Sum

#include <stdio.h>

void sliding_window_sum(int arr[], int n, int k) {
    // Your logic here
    int window_sum = 0;

    // Step 1: First window
    for (int i = 0; i < k; i++) {
        window_sum += arr[i];
    }

    
    printf("%d ", window_sum);
    

    // Step 2: Slide window
    for (int i = k; i < n; i++) {
        window_sum += arr[i];       // add new
        window_sum -= arr[i - k];   // remove old

        printf("%d ", window_sum);
    }

    //return max_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;
}