#pragma once

#include <stdlib.h>

bool IsUnique(const char* s, int len);
bool CheckPermutation(const char* s1, const char* s2, size_t s1_len, size_t s2_len);
int sliding_window_max_sum(int* array, int len, int k_len);
int sliding_window_shortest_subarray(int* array,int len, int x);