1637A - Sorting Parts - CodeForces Solution

#include<iostream>
using namespace std;
bool sorted(long int a[],int n){
    bool tf=true;
    for(int i=0;i<n-1;i++){
        if(a[i]>a[i+1]) tf=false;
    }
    return tf;
}
int main()
{
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        long int a[n];
        for(int i=0;i<n;i++) cin>>a[i];
        if(sorted(a,n)){
            cout<<"NO"<<endl;
        }
        else cout<<"YES"<<endl;
    }
    return 0;
}