Sliding Window Sum

#include <stdio.h>

void sliding_window_sum(int arr[], int n, int k) {
    int size_windows = n - k + 1;
    
    for (int i = 0; i < size_windows; i++) {
        int temp = 0;
        for (int j = i; j < i + k; j++) {
            temp += arr[j];
        }
        printf("%i", temp);
        printf(" ");
    }
}

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;
}