#include <bits/stdc++.h>
using namespace std;
long long n;
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin>>n;
vector<long long> v,w;v.push_back(2);
map<int,int> sa;
for(int i = 0;i<n;i++){
int x;cin>>x;
w.push_back(x);
sa[x]++;
}
int z = 2;
map<int,int>cmp;
for(auto i:sa){
cmp[i.first] = z++;
}
for(int i = 0;i<n;i++){
v.push_back(cmp[w[i]]*2);
}
long long pre[(n+2)*2]={0};
for(int i = 0;i<n;i++){
if(v[i]<v[i+1]){
pre[v[i+1]]--;
pre[v[i]]++;
}
}
long long ma = 0 , cur = 0;
for(int i = 2;i<=cmp[so[n-1]]*2;i++){
cur+=pre[i];
ma = max(ma,cur);
}
cout<<ma<<"\n";
}
Compilation message
gw.cpp: In function 'int main()':
gw.cpp:31:26: error: 'so' was not declared in this scope; did you mean 'sa'?
31 | for(int i = 2;i<=cmp[so[n-1]]*2;i++){
| ^~
| sa
