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Submission #712796

# Submission time Handle Problem Language Result Execution time Memory
712796 2023-03-20T03:24:08 Z willychan Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 687 ms 62360 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds

struct BIT{
	vector<int> arr;
	int n;
	void init(int s){
		n = s;
		arr.resize(n+1,0);
	}

	void update(int i,int v){
		while(i){
			arr[i] = max(arr[i],v);
			i-=(i&-i);
		}
	}

	int query(int i){
		int r = 0;
		while(i<=n){
			r = max(r,arr[i]);
			i+=(i&-i);
		}
		return r;
	}
} bit;

stack<pair<int,int> > stk;

struct query{
	int l;
	int r;
	int k;
	int t;
	bool ans;
};


int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int n,q;cin>>n>>q;	
	bit.init(n);
	int arr[n+1];
	for(int i=1;i<=n;i++) cin>>arr[i];
	vector<query> qu(q);
	for(int i=0;i<q;i++){
		cin>>qu[i].l>>qu[i].r>>qu[i].k;
		qu[i].t = i;
	}
	sort(qu.begin(),qu.end(),[](const query &a,const query &b){return a.r<b.r;});
	int p = 0;	
	for(int i=1;i<=n;i++){
		while(stk.size() && stk.top().second<=arr[i]) stk.pop();
		if(stk.size()) bit.update(stk.top().first,arr[i]+stk.top().second);
		stk.push({i,arr[i]});
		while(p<q && qu[p].r==i){
			qu[p].ans = bit.query(qu[p].l)<=qu[p].k;
			p++;
		}
	}
	sort(qu.begin(),qu.end(),[](const query &a,const query &b){return a.t<b.t;});
	for(int i=0;i<q;i++){
		cout<<qu[i].ans<<'\n';
	}
	
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 4 ms 596 KB Output is correct
15 Correct 4 ms 592 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 3 ms 468 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 642 ms 29632 KB Output is correct
2 Correct 652 ms 60240 KB Output is correct
3 Correct 664 ms 62360 KB Output is correct
4 Correct 662 ms 60116 KB Output is correct
5 Correct 645 ms 60080 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 3192 KB Output is correct
2 Correct 56 ms 5168 KB Output is correct
3 Correct 53 ms 5160 KB Output is correct
4 Correct 52 ms 5168 KB Output is correct
5 Correct 52 ms 5228 KB Output is correct
6 Correct 50 ms 5052 KB Output is correct
7 Correct 50 ms 5084 KB Output is correct
8 Correct 50 ms 4840 KB Output is correct
9 Correct 39 ms 3788 KB Output is correct
10 Correct 54 ms 4812 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 4 ms 596 KB Output is correct
15 Correct 4 ms 592 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 129 ms 12780 KB Output is correct
20 Correct 131 ms 12756 KB Output is correct
21 Correct 133 ms 12576 KB Output is correct
22 Correct 134 ms 12620 KB Output is correct
23 Correct 124 ms 12576 KB Output is correct
24 Correct 125 ms 12496 KB Output is correct
25 Correct 119 ms 12436 KB Output is correct
26 Correct 124 ms 12664 KB Output is correct
27 Correct 125 ms 12600 KB Output is correct
28 Correct 128 ms 12704 KB Output is correct
29 Correct 124 ms 12696 KB Output is correct
30 Correct 124 ms 12712 KB Output is correct
31 Correct 125 ms 12676 KB Output is correct
32 Correct 121 ms 12700 KB Output is correct
33 Correct 130 ms 12696 KB Output is correct
34 Correct 121 ms 12360 KB Output is correct
35 Correct 124 ms 12360 KB Output is correct
36 Correct 113 ms 12104 KB Output is correct
37 Correct 122 ms 12208 KB Output is correct
38 Correct 123 ms 12360 KB Output is correct
39 Correct 115 ms 11348 KB Output is correct
40 Correct 102 ms 10060 KB Output is correct
41 Correct 112 ms 10904 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 4 ms 596 KB Output is correct
15 Correct 4 ms 592 KB Output is correct
16 Correct 3 ms 468 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 642 ms 29632 KB Output is correct
20 Correct 652 ms 60240 KB Output is correct
21 Correct 664 ms 62360 KB Output is correct
22 Correct 662 ms 60116 KB Output is correct
23 Correct 645 ms 60080 KB Output is correct
24 Correct 52 ms 3192 KB Output is correct
25 Correct 56 ms 5168 KB Output is correct
26 Correct 53 ms 5160 KB Output is correct
27 Correct 52 ms 5168 KB Output is correct
28 Correct 52 ms 5228 KB Output is correct
29 Correct 50 ms 5052 KB Output is correct
30 Correct 50 ms 5084 KB Output is correct
31 Correct 50 ms 4840 KB Output is correct
32 Correct 39 ms 3788 KB Output is correct
33 Correct 54 ms 4812 KB Output is correct
34 Correct 129 ms 12780 KB Output is correct
35 Correct 131 ms 12756 KB Output is correct
36 Correct 133 ms 12576 KB Output is correct
37 Correct 134 ms 12620 KB Output is correct
38 Correct 124 ms 12576 KB Output is correct
39 Correct 125 ms 12496 KB Output is correct
40 Correct 119 ms 12436 KB Output is correct
41 Correct 124 ms 12664 KB Output is correct
42 Correct 125 ms 12600 KB Output is correct
43 Correct 128 ms 12704 KB Output is correct
44 Correct 124 ms 12696 KB Output is correct
45 Correct 124 ms 12712 KB Output is correct
46 Correct 125 ms 12676 KB Output is correct
47 Correct 121 ms 12700 KB Output is correct
48 Correct 130 ms 12696 KB Output is correct
49 Correct 121 ms 12360 KB Output is correct
50 Correct 124 ms 12360 KB Output is correct
51 Correct 113 ms 12104 KB Output is correct
52 Correct 122 ms 12208 KB Output is correct
53 Correct 123 ms 12360 KB Output is correct
54 Correct 115 ms 11348 KB Output is correct
55 Correct 102 ms 10060 KB Output is correct
56 Correct 112 ms 10904 KB Output is correct
57 Correct 684 ms 52756 KB Output is correct
58 Correct 677 ms 52880 KB Output is correct
59 Correct 658 ms 53580 KB Output is correct
60 Correct 663 ms 53552 KB Output is correct
61 Correct 643 ms 53580 KB Output is correct
62 Correct 687 ms 53604 KB Output is correct
63 Correct 620 ms 61236 KB Output is correct
64 Correct 617 ms 61372 KB Output is correct
65 Correct 634 ms 53868 KB Output is correct
66 Correct 640 ms 53760 KB Output is correct
67 Correct 626 ms 53848 KB Output is correct
68 Correct 630 ms 52800 KB Output is correct
69 Correct 625 ms 52824 KB Output is correct
70 Correct 619 ms 52796 KB Output is correct
71 Correct 652 ms 53000 KB Output is correct
72 Correct 648 ms 52796 KB Output is correct
73 Correct 593 ms 59692 KB Output is correct
74 Correct 630 ms 60748 KB Output is correct
75 Correct 597 ms 59704 KB Output is correct
76 Correct 613 ms 59692 KB Output is correct
77 Correct 605 ms 59712 KB Output is correct
78 Correct 597 ms 57028 KB Output is correct
79 Correct 522 ms 48544 KB Output is correct
80 Correct 585 ms 54384 KB Output is correct