#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,
tree_order_statistics_node_update> inset;
#define int long long
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define pb push_back
#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)
#define cont(x) {for(auto el:x) cout<<el<<' ';cout<<endl;}
#define contp(x) {for(auto el:x) cout<<el.fi<<'-'<<el.se<<' ';cout<<endl;}
#define sp <<" "<<
#define mid (l+r)/2
#define endl '\n'
#define DEBUG(X) {cout<<#X<<' '<<(X)<<endl;}
#define carp(x,y) ((x%MOD)*(y%MOD))%MOD
#define topla(x,y) ((x%MOD)+(y%MOD))%MOD
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef vector<bool> vb;
const int MAXN=2e5+5;
const int INF=1e9+7;
const int MOD=1e9+7;
int n;
int t[MAXN*4];
void oku(int nd){
int el;
cin>>el;
if(el!=0){
t[nd]=el;
return;
}
t[nd]=-1;
oku(nd*2);
oku(nd*2+1);
}
int inv[4*MAXN];
inset s[4*MAXN];
int merge(int nd,int sol,int sag){
bool f=false;
if(s[sol].size() < s[sag].size()){
swap(sag,sol);
f=true;
}
/*DEBUG(nd);
DEBUG(sol);
DEBUG(sag);*/
int say=inv[sol];
s[nd]=s[sol];
if(t[nd]!=-1) s[sag].insert(t[nd]);
/*cont(s[sol]);
cont(s[sag]);
cont(s[nd]);*/
for(auto el:s[sag]){
//DEBUG(s[nd].order_of_key(el));
if(!f) say+=s[nd].size()-s[nd].order_of_key(el);
else say+=s[nd].order_of_key(el);
s[nd].insert(el);
}
//DEBUG(say);
return say;
}
void dfs(int nd,int ata){
if(t[nd]==0) return;
dfs(nd*2,ata);
dfs(nd*2+1,ata);
inv[nd]=merge(nd,nd*2,nd*2+1);
inv[nd]=min(inv[nd],merge(nd,nd*2+1,nd*2));
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cin>>n;
oku(1);
dfs(1,0);
cout<<inv[1]<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
44 ms |
63056 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
43 ms |
63060 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
60 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
51 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
54 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
55 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
55 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
59 ms |
65540 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
65 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
52 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
57 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |