Spcy55 - Online C++ Compiler & Debugging Tool

#include <bits/stdc++.h>
using namespace std;
void solve(vector<int>& arr, int n) {
    vector<int> inc(n, 1), dec(n, 1);

    for(int i = 1; i < n; i++) {
        if(arr[i] > arr[i - 1])
            inc[i] = inc[i - 1] + 1;
        else
            inc[i] = 1;
    }

    for(int i = n - 2; i >= 0; i--) {
        if(arr[i] > arr[i + 1])
            dec[i] = dec[i + 1] + 1;
        else
            dec[i] = 1;
    }

    cout<<"Increasing Subarray is"<<endl;
    for(int i:inc)
    {
    	cout<<i<<" ";
    }
    cout<<endl;

    cout<<"Decreasing Subarray is "<<endl;
    for(int i:dec)
    {
    	cout<<i<<" ";
    }
    cout<<endl;

	int maxi = 0;
	for(int i=0;i<n;i++)
	{
		if(inc[i]>1 and dec[i]>1)
		{
			maxi = max(maxi, abs(inc[i]+dec[i]-1));
		}
	}
	cout<<"Maximum is "<<maxi<<endl;

}

int main() {
    int T;
    cin >> T;
    while(T--) {
        int n;
        cin >> n;
        vector<int> arr(n);
        for(int i = 0; i < n; i++)
            cin >> arr[i];
       solve(arr, n);
    }
    return 0;
}