답안 #319236

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
319236	2020-11-04T14:39:22 Z	kshitij_sodani	Money (IZhO17_money)	C++14	45 / 100	1500 ms	217176 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];
int mi[1000001][20];
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++){
		for(int j=0;j<20;j++){
			mi[i][j]=1;
		}
	}
	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	17 ms	23936 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 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	17 ms	23788 KB	Output is correct
9	Correct	17 ms	23788 KB	Output is correct
10	Correct	17 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	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 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	17 ms	23936 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 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	17 ms	23788 KB	Output is correct
9	Correct	17 ms	23788 KB	Output is correct
10	Correct	17 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	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 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	16 ms	23916 KB	Output is correct
20	Correct	17 ms	23800 KB	Output is correct
21	Correct	16 ms	23788 KB	Output is correct
22	Correct	17 ms	23788 KB	Output is correct
23	Correct	18 ms	23916 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	17 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	17 ms	23936 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 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	17 ms	23788 KB	Output is correct
9	Correct	17 ms	23788 KB	Output is correct
10	Correct	17 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	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 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	16 ms	23916 KB	Output is correct
20	Correct	17 ms	23800 KB	Output is correct
21	Correct	16 ms	23788 KB	Output is correct
22	Correct	17 ms	23788 KB	Output is correct
23	Correct	18 ms	23916 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	17 ms	23788 KB	Output is correct
27	Correct	17 ms	23916 KB	Output is correct
28	Correct	17 ms	23948 KB	Output is correct
29	Correct	17 ms	23916 KB	Output is correct
30	Correct	16 ms	23916 KB	Output is correct
31	Correct	17 ms	23916 KB	Output is correct
32	Correct	17 ms	23916 KB	Output is correct
33	Correct	17 ms	23916 KB	Output is correct
34	Correct	16 ms	23916 KB	Output is correct
35	Correct	17 ms	23916 KB	Output is correct
36	Correct	17 ms	23916 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	17 ms	23936 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	17 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	17 ms	23788 KB	Output is correct
9	Correct	17 ms	23788 KB	Output is correct
10	Correct	17 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	17 ms	23788 KB	Output is correct
14	Correct	16 ms	23788 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 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	16 ms	23916 KB	Output is correct
20	Correct	17 ms	23800 KB	Output is correct
21	Correct	16 ms	23788 KB	Output is correct
22	Correct	17 ms	23788 KB	Output is correct
23	Correct	18 ms	23916 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23788 KB	Output is correct
26	Correct	17 ms	23788 KB	Output is correct
27	Correct	17 ms	23916 KB	Output is correct
28	Correct	17 ms	23948 KB	Output is correct
29	Correct	17 ms	23916 KB	Output is correct
30	Correct	16 ms	23916 KB	Output is correct
31	Correct	17 ms	23916 KB	Output is correct
32	Correct	17 ms	23916 KB	Output is correct
33	Correct	17 ms	23916 KB	Output is correct
34	Correct	16 ms	23916 KB	Output is correct
35	Correct	17 ms	23916 KB	Output is correct
36	Correct	17 ms	23916 KB	Output is correct
37	Correct	17 ms	23916 KB	Output is correct
38	Correct	17 ms	23916 KB	Output is correct
39	Correct	225 ms	89780 KB	Output is correct
40	Correct	398 ms	138012 KB	Output is correct
41	Correct	167 ms	76740 KB	Output is correct
42	Correct	190 ms	74424 KB	Output is correct
43	Correct	138 ms	58696 KB	Output is correct
44	Correct	472 ms	164808 KB	Output is correct
45	Correct	459 ms	162548 KB	Output is correct
46	Correct	477 ms	164636 KB	Output is correct
47	Correct	298 ms	135748 KB	Output is correct
48	Correct	369 ms	152244 KB	Output is correct
49	Correct	1029 ms	185624 KB	Output is correct
50	Correct	1008 ms	182296 KB	Output is correct
51	Correct	1042 ms	186528 KB	Output is correct
52	Correct	1000 ms	182292 KB	Output is correct
53	Correct	1026 ms	184348 KB	Output is correct
54	Correct	992 ms	182424 KB	Output is correct
55	Execution timed out	1611 ms	217176 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #319236

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