답안 #319234

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
319234	2020-11-04T14:33:27 Z	kshitij_sodani	Money (IZhO17_money)	C++14	45 / 100	1500 ms	138968 KB

money

#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'
int n;
int it[1000001];
int tree[1000001*4];
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]=max(tree[no*2+1],tree[no*2+2]);
	}
}
int query(int no,int l,int r,int aa,int bb){
	if(r<aa){
		return -1;
	}
	if(aa<=l){
		if(tree[no]<=bb){
			return -1;
		}
		if(l==r){
			return l;
		}
	}
	int mid=(l+r)/2;
	int x=query(no*2+1,l,mid,aa,bb);
	if(x==-1){
		return query(no*2+2,mid+1,r,aa,bb);
	}
	else{
		return x;
	}
}
vector<int> pre[1000001];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>it[i];
	}
	vector<pair<int,int>> ss;
	vector<pair<pair<int,int>,int>> tt;
	set<int> kk;
	build(0,0,n-1);
	int cur=0;
	for(int i=0;i<n;i++){
		while(ss.size()){
			if(ss.back().a<=it[i]){
				ss.pop_back();
			}
			else{
				break;
			}
		}
		if(ss.size()){
			int ne=ss.back().b;
			tt.pb({{ne,i-1},cur});
			cur++;
			int jj=*kk.upper_bound(it[i]);
			int low=query(0,0,n-1,i,jj);
			if(low!=-1){
				tt.pb({{i,low-1},cur});
				cur++;
			}
		}
		kk.insert(it[i]);
		ss.pb({it[i],i});
	}
	for(auto j:tt){
		pre[j.a.b].pb(j.a.a);
	}
	int ans=1;
	
	int ma=-1;
	for(int i=0;i<n-1;i++){
		for(auto j:pre[i]){
			if(j<=ma){
				continue;
			}
			ans+=1;
			ma=i;
		}
	}
	cout<<ans<<endl;
 
	return 0;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	16 ms	23788 KB	Output is correct
8	Correct	16 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	23788 KB	Output is correct
13	Correct	16 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	18 ms	23788 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	16 ms	23788 KB	Output is correct
8	Correct	16 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	23788 KB	Output is correct
13	Correct	16 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	18 ms	23788 KB	Output is correct
17	Correct	16 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	18 ms	23820 KB	Output is correct
20	Correct	17 ms	23808 KB	Output is correct
21	Correct	16 ms	23788 KB	Output is correct
22	Correct	19 ms	23788 KB	Output is correct
23	Correct	16 ms	23788 KB	Output is correct
24	Correct	16 ms	23916 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	16 ms	23788 KB	Output is correct
8	Correct	16 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	23788 KB	Output is correct
13	Correct	16 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	18 ms	23788 KB	Output is correct
17	Correct	16 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	18 ms	23820 KB	Output is correct
20	Correct	17 ms	23808 KB	Output is correct
21	Correct	16 ms	23788 KB	Output is correct
22	Correct	19 ms	23788 KB	Output is correct
23	Correct	16 ms	23788 KB	Output is correct
24	Correct	16 ms	23916 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	16 ms	23916 KB	Output is correct
28	Correct	17 ms	23788 KB	Output is correct
29	Correct	17 ms	23788 KB	Output is correct
30	Correct	16 ms	23788 KB	Output is correct
31	Correct	16 ms	23788 KB	Output is correct
32	Correct	17 ms	23916 KB	Output is correct
33	Correct	16 ms	23788 KB	Output is correct
34	Correct	17 ms	23788 KB	Output is correct
35	Correct	16 ms	23788 KB	Output is correct
36	Correct	17 ms	23788 KB	Output is correct
37	Correct	17 ms	23916 KB	Output is correct
38	Correct	17 ms	23916 KB	Output is correct

Subtask #4
0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	16 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23788 KB	Output is correct
6	Correct	16 ms	23788 KB	Output is correct
7	Correct	16 ms	23788 KB	Output is correct
8	Correct	16 ms	23788 KB	Output is correct
9	Correct	16 ms	23788 KB	Output is correct
10	Correct	16 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	17 ms	23788 KB	Output is correct
13	Correct	16 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	18 ms	23788 KB	Output is correct
17	Correct	16 ms	23788 KB	Output is correct
18	Correct	17 ms	23788 KB	Output is correct
19	Correct	18 ms	23820 KB	Output is correct
20	Correct	17 ms	23808 KB	Output is correct
21	Correct	16 ms	23788 KB	Output is correct
22	Correct	19 ms	23788 KB	Output is correct
23	Correct	16 ms	23788 KB	Output is correct
24	Correct	16 ms	23916 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	16 ms	23916 KB	Output is correct
28	Correct	17 ms	23788 KB	Output is correct
29	Correct	17 ms	23788 KB	Output is correct
30	Correct	16 ms	23788 KB	Output is correct
31	Correct	16 ms	23788 KB	Output is correct
32	Correct	17 ms	23916 KB	Output is correct
33	Correct	16 ms	23788 KB	Output is correct
34	Correct	17 ms	23788 KB	Output is correct
35	Correct	16 ms	23788 KB	Output is correct
36	Correct	17 ms	23788 KB	Output is correct
37	Correct	17 ms	23916 KB	Output is correct
38	Correct	17 ms	23916 KB	Output is correct
39	Correct	189 ms	52144 KB	Output is correct
40	Correct	348 ms	76188 KB	Output is correct
41	Correct	145 ms	46408 KB	Output is correct
42	Correct	166 ms	47452 KB	Output is correct
43	Correct	120 ms	39752 KB	Output is correct
44	Correct	425 ms	86300 KB	Output is correct
45	Correct	401 ms	84280 KB	Output is correct
46	Correct	417 ms	86440 KB	Output is correct
47	Correct	244 ms	57540 KB	Output is correct
48	Correct	312 ms	74036 KB	Output is correct
49	Correct	968 ms	107192 KB	Output is correct
50	Correct	928 ms	104088 KB	Output is correct
51	Correct	960 ms	108316 KB	Output is correct
52	Correct	941 ms	104088 KB	Output is correct
53	Correct	949 ms	106012 KB	Output is correct
54	Correct	936 ms	104360 KB	Output is correct
55	Execution timed out	1598 ms	138968 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #319234

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 55.0