Submission #568786

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
568786	2022-05-26T08:05:29 Z	errorgorn	Fish 2 (JOI22_fish2)	C++17	25 / 100	4000 ms	6604 KB

fish2

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ii pair<int,int>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (int x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e))?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n,q;
int arr[100005];

vector<int> al[100005];

ii dfs(int i){
	int tot=arr[i];
	int num=1;
	
	for (auto it:al[i]){
		auto temp=dfs(it);
		if (temp.fi>=arr[i]) num+=temp.se;
		tot+=temp.fi;
	}
	
	return {tot,num};
}

int solve(int i,int j){
	rep(x,i,j+1) al[x].clear();
	
	vector<int> stk;
	rep(x,i,j+1){
		while (!stk.empty() && arr[stk.back()]<=arr[x]){
			int temp=stk.back(); stk.pob();
			
			if (stk.empty() || arr[stk.back()]>arr[x]) al[x].pub(temp);
			else al[stk.back()].pub(temp);
		}
		stk.pub(x);
	}
	while (sz(stk)>=2){
		int temp=stk.back(); stk.pob();
		al[stk.back()].pub(temp);
	}
	
	return dfs(stk.back()).se;
}

signed main(){
	cin.tie(0);
	cout.tie(0);
	cin.sync_with_stdio(false);
	
	cin>>n;
	rep(x,1,n+1) cin>>arr[x];
	cin>>q;
	
	int a,b;
	rep(x,0,q){
		cin>>a;
		
		if (a==1){
			cin>>a>>b;
			arr[a]=b;
		}
		else{
			cin>>a>>b;
			cout<<solve(a,b)<<endl;
		}
	}
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	3 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	3 ms	2644 KB	Output is correct
7	Correct	2 ms	2644 KB	Output is correct
8	Correct	3 ms	2644 KB	Output is correct
9	Correct	3 ms	2644 KB	Output is correct
10	Correct	3 ms	2644 KB	Output is correct
11	Correct	3 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	4 ms	2700 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	3 ms	2644 KB	Output is correct
16	Correct	3 ms	2644 KB	Output is correct
17	Correct	3 ms	2644 KB	Output is correct
18	Correct	3 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	5 ms	2644 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	17 ms	6472 KB	Output is correct
3	Correct	17 ms	6188 KB	Output is correct
4	Correct	17 ms	6468 KB	Output is correct
5	Correct	16 ms	6160 KB	Output is correct
6	Correct	20 ms	5448 KB	Output is correct
7	Correct	17 ms	5588 KB	Output is correct
8	Correct	21 ms	5500 KB	Output is correct
9	Correct	16 ms	5588 KB	Output is correct
10	Correct	19 ms	6480 KB	Output is correct
11	Correct	17 ms	6108 KB	Output is correct
12	Correct	15 ms	5504 KB	Output is correct
13	Correct	14 ms	5580 KB	Output is correct
14	Correct	15 ms	5252 KB	Output is correct
15	Correct	17 ms	5784 KB	Output is correct

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	3 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	3 ms	2644 KB	Output is correct
7	Correct	2 ms	2644 KB	Output is correct
8	Correct	3 ms	2644 KB	Output is correct
9	Correct	3 ms	2644 KB	Output is correct
10	Correct	3 ms	2644 KB	Output is correct
11	Correct	3 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	4 ms	2700 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	3 ms	2644 KB	Output is correct
16	Correct	3 ms	2644 KB	Output is correct
17	Correct	3 ms	2644 KB	Output is correct
18	Correct	3 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	5 ms	2644 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	17 ms	6472 KB	Output is correct
23	Correct	17 ms	6188 KB	Output is correct
24	Correct	17 ms	6468 KB	Output is correct
25	Correct	16 ms	6160 KB	Output is correct
26	Correct	20 ms	5448 KB	Output is correct
27	Correct	17 ms	5588 KB	Output is correct
28	Correct	21 ms	5500 KB	Output is correct
29	Correct	16 ms	5588 KB	Output is correct
30	Correct	19 ms	6480 KB	Output is correct
31	Correct	17 ms	6108 KB	Output is correct
32	Correct	15 ms	5504 KB	Output is correct
33	Correct	14 ms	5580 KB	Output is correct
34	Correct	15 ms	5252 KB	Output is correct
35	Correct	17 ms	5784 KB	Output is correct
36	Correct	302 ms	6504 KB	Output is correct
37	Correct	530 ms	6084 KB	Output is correct
38	Correct	574 ms	6320 KB	Output is correct
39	Correct	156 ms	6512 KB	Output is correct
40	Correct	598 ms	6172 KB	Output is correct
41	Correct	739 ms	5532 KB	Output is correct
42	Correct	918 ms	5536 KB	Output is correct
43	Correct	711 ms	5740 KB	Output is correct
44	Correct	863 ms	5784 KB	Output is correct
45	Correct	362 ms	6604 KB	Output is correct
46	Correct	471 ms	6492 KB	Output is correct
47	Correct	732 ms	6288 KB	Output is correct
48	Correct	340 ms	5612 KB	Output is correct
49	Correct	998 ms	5580 KB	Output is correct
50	Correct	408 ms	5304 KB	Output is correct
51	Correct	1922 ms	5880 KB	Output is correct
52	Correct	2105 ms	5236 KB	Output is correct

Subtask #4
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	17 ms	6472 KB	Output is correct
3	Correct	17 ms	6188 KB	Output is correct
4	Correct	17 ms	6468 KB	Output is correct
5	Correct	16 ms	6160 KB	Output is correct
6	Correct	20 ms	5448 KB	Output is correct
7	Correct	17 ms	5588 KB	Output is correct
8	Correct	21 ms	5500 KB	Output is correct
9	Correct	16 ms	5588 KB	Output is correct
10	Correct	19 ms	6480 KB	Output is correct
11	Correct	17 ms	6108 KB	Output is correct
12	Correct	15 ms	5504 KB	Output is correct
13	Correct	14 ms	5580 KB	Output is correct
14	Correct	15 ms	5252 KB	Output is correct
15	Correct	17 ms	5784 KB	Output is correct
16	Correct	3 ms	2644 KB	Output is correct
17	Execution timed out	4051 ms	6284 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #5
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	17 ms	6472 KB	Output is correct
3	Correct	17 ms	6188 KB	Output is correct
4	Correct	17 ms	6468 KB	Output is correct
5	Correct	16 ms	6160 KB	Output is correct
6	Correct	20 ms	5448 KB	Output is correct
7	Correct	17 ms	5588 KB	Output is correct
8	Correct	21 ms	5500 KB	Output is correct
9	Correct	16 ms	5588 KB	Output is correct
10	Correct	19 ms	6480 KB	Output is correct
11	Correct	17 ms	6108 KB	Output is correct
12	Correct	15 ms	5504 KB	Output is correct
13	Correct	14 ms	5580 KB	Output is correct
14	Correct	15 ms	5252 KB	Output is correct
15	Correct	17 ms	5784 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Execution timed out	4078 ms	6476 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	3 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	3 ms	2644 KB	Output is correct
7	Correct	2 ms	2644 KB	Output is correct
8	Correct	3 ms	2644 KB	Output is correct
9	Correct	3 ms	2644 KB	Output is correct
10	Correct	3 ms	2644 KB	Output is correct
11	Correct	3 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	4 ms	2700 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	3 ms	2644 KB	Output is correct
16	Correct	3 ms	2644 KB	Output is correct
17	Correct	3 ms	2644 KB	Output is correct
18	Correct	3 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	5 ms	2644 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	17 ms	6472 KB	Output is correct
23	Correct	17 ms	6188 KB	Output is correct
24	Correct	17 ms	6468 KB	Output is correct
25	Correct	16 ms	6160 KB	Output is correct
26	Correct	20 ms	5448 KB	Output is correct
27	Correct	17 ms	5588 KB	Output is correct
28	Correct	21 ms	5500 KB	Output is correct
29	Correct	16 ms	5588 KB	Output is correct
30	Correct	19 ms	6480 KB	Output is correct
31	Correct	17 ms	6108 KB	Output is correct
32	Correct	15 ms	5504 KB	Output is correct
33	Correct	14 ms	5580 KB	Output is correct
34	Correct	15 ms	5252 KB	Output is correct
35	Correct	17 ms	5784 KB	Output is correct
36	Correct	302 ms	6504 KB	Output is correct
37	Correct	530 ms	6084 KB	Output is correct
38	Correct	574 ms	6320 KB	Output is correct
39	Correct	156 ms	6512 KB	Output is correct
40	Correct	598 ms	6172 KB	Output is correct
41	Correct	739 ms	5532 KB	Output is correct
42	Correct	918 ms	5536 KB	Output is correct
43	Correct	711 ms	5740 KB	Output is correct
44	Correct	863 ms	5784 KB	Output is correct
45	Correct	362 ms	6604 KB	Output is correct
46	Correct	471 ms	6492 KB	Output is correct
47	Correct	732 ms	6288 KB	Output is correct
48	Correct	340 ms	5612 KB	Output is correct
49	Correct	998 ms	5580 KB	Output is correct
50	Correct	408 ms	5304 KB	Output is correct
51	Correct	1922 ms	5880 KB	Output is correct
52	Correct	2105 ms	5236 KB	Output is correct
53	Correct	3 ms	2644 KB	Output is correct
54	Execution timed out	4051 ms	6284 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

Submission #568786

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 8.0 / 8.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 23.0

Subtask #5 0 / 35.0

Subtask #6 0 / 17.0

Subtask #1
5.0 / 5.0

Subtask #2
8.0 / 8.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 23.0

Subtask #5
0 / 35.0

Subtask #6
0 / 17.0