Sliding Window Sum

#include <stdio.h>

void sliding_window_sum(int arr[], int n, int k) {
    int nb_windows = n - k + 1;
    for (int w = 0; w < nb_windows; w++) {
        int sum = 0;
        for (int i = w; i < w + k; i++) {
            sum += arr[i];
        }
        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;
}