Submission #319232

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
319232	2020-11-04T14:31:56 Z	kshitij_sodani	Money (IZhO17_money)	C++14	45 / 100	1500 ms	138980 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 vis[1000001*2];
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;
	}
}
bool cmp(pair<pair<int,int>,int> aa,pair<pair<int,int>,int> bb){
	return aa.a.b<bb.a.b;
}
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=i;
			for(int j=19;j>=0;j--){
				if(low+(1<<j)<n){
					if(query(0,0,n-1,i,low+(1<<j))<=jj){
						low+=(1<<j);
					}
				}
			}*/
			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});
	}
	//vector<pair<pair<int,int>,int>> mm;
	/*for(auto j:tt){
		mm.pb(j);
	}
	sort(mm.begin(),mm.end());*/
	for(auto j:tt){
		pre[j.a.b].pb(j.a.a);
	}
	//sort(tt.begin(),tt.end(),cmp);
	int ans=1;
	
	int ma=-1;
	for(int i=0;i<n-1;i++){
		//if(vis[j.b]==0){
		for(auto j:pre[i]){
			if(j<=ma){
				continue;
			}
			ans+=1;
			ma=i;
		}
		//}
	}
	cout<<ans<<endl;
 
	return 0;
}

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	17 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23916 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	18 ms	23788 KB	Output is correct
10	Correct	19 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	16 ms	23788 KB	Output is correct
13	Correct	19 ms	23780 KB	Output is correct
14	Correct	18 ms	23916 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct

Subtask #2
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	17 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23916 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	18 ms	23788 KB	Output is correct
10	Correct	19 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	16 ms	23788 KB	Output is correct
13	Correct	19 ms	23780 KB	Output is correct
14	Correct	18 ms	23916 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	16 ms	23788 KB	Output is correct
18	Correct	16 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	17 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	16 ms	23788 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23916 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	17 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23916 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	18 ms	23788 KB	Output is correct
10	Correct	19 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	16 ms	23788 KB	Output is correct
13	Correct	19 ms	23780 KB	Output is correct
14	Correct	18 ms	23916 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	16 ms	23788 KB	Output is correct
18	Correct	16 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	17 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	16 ms	23788 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23916 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	17 ms	23916 KB	Output is correct
28	Correct	17 ms	23916 KB	Output is correct
29	Correct	18 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	16 ms	23916 KB	Output is correct
33	Correct	17 ms	23916 KB	Output is correct
34	Correct	17 ms	23936 KB	Output is correct
35	Correct	16 ms	23788 KB	Output is correct
36	Correct	16 ms	23916 KB	Output is correct
37	Correct	16 ms	23916 KB	Output is correct
38	Correct	16 ms	23916 KB	Output is correct

Subtask #4
0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	23788 KB	Output is correct
2	Correct	16 ms	23788 KB	Output is correct
3	Correct	17 ms	23788 KB	Output is correct
4	Correct	16 ms	23788 KB	Output is correct
5	Correct	16 ms	23916 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	18 ms	23788 KB	Output is correct
10	Correct	19 ms	23788 KB	Output is correct
11	Correct	17 ms	23788 KB	Output is correct
12	Correct	16 ms	23788 KB	Output is correct
13	Correct	19 ms	23780 KB	Output is correct
14	Correct	18 ms	23916 KB	Output is correct
15	Correct	17 ms	23788 KB	Output is correct
16	Correct	17 ms	23788 KB	Output is correct
17	Correct	16 ms	23788 KB	Output is correct
18	Correct	16 ms	23788 KB	Output is correct
19	Correct	16 ms	23788 KB	Output is correct
20	Correct	17 ms	23788 KB	Output is correct
21	Correct	17 ms	23788 KB	Output is correct
22	Correct	16 ms	23788 KB	Output is correct
23	Correct	17 ms	23788 KB	Output is correct
24	Correct	16 ms	23788 KB	Output is correct
25	Correct	16 ms	23916 KB	Output is correct
26	Correct	16 ms	23788 KB	Output is correct
27	Correct	17 ms	23916 KB	Output is correct
28	Correct	17 ms	23916 KB	Output is correct
29	Correct	18 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	16 ms	23916 KB	Output is correct
33	Correct	17 ms	23916 KB	Output is correct
34	Correct	17 ms	23936 KB	Output is correct
35	Correct	16 ms	23788 KB	Output is correct
36	Correct	16 ms	23916 KB	Output is correct
37	Correct	16 ms	23916 KB	Output is correct
38	Correct	16 ms	23916 KB	Output is correct
39	Correct	193 ms	52316 KB	Output is correct
40	Correct	350 ms	76188 KB	Output is correct
41	Correct	149 ms	46404 KB	Output is correct
42	Correct	168 ms	47676 KB	Output is correct
43	Correct	120 ms	39748 KB	Output is correct
44	Correct	423 ms	86428 KB	Output is correct
45	Correct	405 ms	84248 KB	Output is correct
46	Correct	422 ms	86400 KB	Output is correct
47	Correct	240 ms	57540 KB	Output is correct
48	Correct	325 ms	74056 KB	Output is correct
49	Correct	955 ms	107132 KB	Output is correct
50	Correct	945 ms	104008 KB	Output is correct
51	Correct	996 ms	108548 KB	Output is correct
52	Correct	971 ms	104072 KB	Output is correct
53	Correct	940 ms	106124 KB	Output is correct
54	Correct	921 ms	104012 KB	Output is correct
55	Execution timed out	1597 ms	138980 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #319232

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