//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
#define endl '\n'
llo n;
llo it[100001];
llo par[100001];
llo vis[100001];
llo find(llo no){
if(par[no]==no){
return no;
}
par[no]=find(par[no]);
return par[no];
}
llo cur=0;
void merge(llo aa,llo bb){
if(vis[aa]==0 or vis[bb]==0){
return;
}
llo x=find(aa);
llo y=find(bb);
if(x!=y){
par[x]=y;
cur--;
}
}
llo ans=0;
int tree[4*100001];
void build(int no,int l,int r){
if(l==r){
tree[no]=it[l];
}
else{
int mid=(l+r)/2;
build(no*2+1,l,mid);
build(no*2+2,mid+1,r);
tree[no]=min(tree[no*2+1],tree[no*2+2]);
}
}
void solve(int l,int r){
ans++;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin>>n;
for(llo i=0;i<n;i++){
par[i]=i;
}
map<llo,vector<llo>> ss;
vector<pair<llo,llo>> tt;
for(llo i=0;i<n;i++){
cin>>it[i];
// ss[-it[i]].pb(i);
tt.pb({it[i],i});
}
sort(tt.begin(),tt.end());
//llo ans=0;
solve(0,n-1);
/*while(tt.size()){
int no=tt.back().a;
vector<int> cc;
while(tt.size()){
if(tt.back().a==no){
cc.pb(tt.back().b);
tt.pop_back();
}
else{
break;
}
}
set<llo> kk;
for(auto i:cc){
cur++;
vis[i]=1;
if(i>0){
merge(i,i-1);
}
if(i<n-1){
merge(i,i+1);
}
}
for(auto i:cc){
kk.insert(find(i));
}
//for(int i=0;i<n;i++){
// find(i);
//cout<<par[i]<<",";
//}
//cout<<endl;
ans+=kk.size();
}*/
/* llo ans=0;
for(auto j:ss){
set<llo> kk;
for(auto i:j.b){
cur++;
vis[i]=1;
if(i>0){
merge(i,i-1);
}
if(i<n-1){
merge(i,i+1);
}
}
for(auto i:j.b){
kk.insert(find(i));
}
for(int i=0;i<n;i++){
find(i);
cout<<par[i]<<",";
}
cout<<endl;
ans+=kk.size();
}
*/
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
2 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
3 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
4 |
Incorrect |
10 ms |
2156 KB |
Output isn't correct |
5 |
Incorrect |
16 ms |
3688 KB |
Output isn't correct |
6 |
Incorrect |
25 ms |
3816 KB |
Output isn't correct |
7 |
Incorrect |
16 ms |
3816 KB |
Output isn't correct |