90分求助 有一个测试点超时 该怎么改就过啦？

#define _CRT_SECURE_NO_WARNINGS 1
#include<vector>
#include<algorithm>
#include<iostream>//cin头文件

#include<bits/stdc++.h>

using namespace std;
typedef long long LL;
int a = 0;
int b = 0;
int main()
{
    ios::sync_with_stdio(false);

    long n = 0;
    long k = 0;
    cin >> n >> k;
    vector<int>arr(n);
    vector<int> max1;
    vector<int> min1;

    for (int i = 0; i < n; i++)
    {
        cin >> arr[i];
    }
    int i = 0;
    int j = 0;

    j = k - 1;
    int v = 0;

    while (j<n)
    {

    /*  long max = arr[v];
        long min = arr[v];*/

        int max = 0;
        int min = 0;

      /*    max_element(arr.begin()+i, arr.end()+j,a);

        min_element(arr.begin() + i, arr.end() + j, b);*/

        /*for (int m = i+1; m <= j; m++)
        {
            if (arr[m] > max)
            {
                max = arr[m];
            }
            if (arr[m] < min)
            {
                min = arr[m];
            }
            long g = 0;

        }*/

        max = *max_element(arr.begin() + i, arr.begin() + j+1);

        min = *min_element(arr.begin() + i, arr.begin() + j+1);

        //printf("%d ", min);
        cout << min << ' ';
        max1.push_back(max);

        //min1.push_back(min);

        i++; j++; v++;

    }

    /*for (int i = 0; i < min1.size(); i++)
    {
        printf("%d ", min1[i]);
    }*/

    cout << '\n';
    for (int i = 0; i < max1.size(); i++)
    {

        cout << max1[i] << ' ';
    }

}