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C.cpp
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C.cpp
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#include<bits/stdc++.h>
using namespace std;
#define fastio ios::sync_with_stdio(0);cin.tie(0)
int ara[300005];
int main()
{
fastio;
int t,n,i,cnt;
cin>>t;
while(t--)
{
cin>>n;
for(i=0;i<n;i++)
cin>>ara[i];
cnt=0;
int l0=-1,l1=-1;
//set<int> l0,l1;
//set<int>::iterator it0,it1;
for(i=0;i<n;i++)
{
if(l0==-1 && l1==-1)
l0=ara[i];
else if(l1==-1)
{
if(l0>ara[i])
l0=ara[i];
else
{
l1=ara[i];
cnt++;
}
}
else
{
if(l1>ara[i])
{
if(l0>ara[i])
l0=ara[i];
else
{
l1=ara[i];
cnt++;
}
}
}
}
cout<<cnt<<"\n";
}
}