Submission #889895

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
889895	2023-12-20T09:19:33 Z	vjudge1	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	17 / 100	2221 ms	100048 KB

sortbooks

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int M = 5001;
const int N=1e6+10;
int aa[N];
int a[M], pref[M];
int ans[M][M];
int main(){
	int n, q;
	cin >> n >> q;
	
	if(n<=5001 && q<=5001){
		
		a[0]=1e9+7;
		for(int i=1; i<=n; i++){
			cin>>a[i];
		}
		for(int i=1; i<=n; i++) {
			pref[i]=i-1;
			while(a[i]>=a[pref[i]]) {
				pref[i]=pref[pref[i]];
			}
		}
		for(int i=1; i<=n; i++){
			ans[i][i]=0;
			for(int j=i+1; j<=n; j++){
				ans[i][j]=ans[i][j-1];
				if(pref[j]>=i){
					ans[i][j]=max(ans[i][j], a[pref[j]] + a[j]);
				}
			}
		}
		while(q--){
			int l, r, k;
			cin >> l >> r >> k;
			if(ans[l][r]<=k){
				cout<<"1\n";
			}
			else{
				cout<<"0\n";
			}
		}
	}
	else{
		bool ok[N];	
		ok[0]=1;
		for(int i=1; i<=n; i++){
			cin>>aa[i];
			if(ok[i-1] && aa[i] >= aa[i-1]){
				ok[i]=1;
			}
		}
		
		for(int i=1; i<=q; i++){
			int l,r,k;
			cin>>l>>r>>k;
			bool ans=1;
			if(ok[r]){
				cout<<ans<<"\n";
				continue;
			}
			for(int i=l; i<r; i++){
				if(aa[i]>aa[i+1]){
					ans=0;
					break;
				}
			}
			cout<<ans<<"\n";
		}
	}
}

Subtask #1

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3420 KB	Output is correct
2	Correct	1 ms	3420 KB	Output is correct
3	Correct	2 ms	7516 KB	Output is correct
4	Correct	2 ms	5464 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	3 ms	13660 KB	Output is correct
7	Correct	3 ms	13656 KB	Output is correct
8	Correct	4 ms	13904 KB	Output is correct
9	Correct	3 ms	9564 KB	Output is correct
10	Correct	3 ms	13660 KB	Output is correct

Subtask #2

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3420 KB	Output is correct
2	Correct	1 ms	3420 KB	Output is correct
3	Correct	2 ms	7516 KB	Output is correct
4	Correct	2 ms	5464 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	3 ms	13660 KB	Output is correct
7	Correct	3 ms	13656 KB	Output is correct
8	Correct	4 ms	13904 KB	Output is correct
9	Correct	3 ms	9564 KB	Output is correct
10	Correct	3 ms	13660 KB	Output is correct
11	Correct	13 ms	32136 KB	Output is correct
12	Correct	61 ms	99928 KB	Output is correct
13	Correct	56 ms	100048 KB	Output is correct
14	Correct	60 ms	99920 KB	Output is correct
15	Correct	61 ms	99916 KB	Output is correct
16	Correct	52 ms	100048 KB	Output is correct
17	Correct	38 ms	83536 KB	Output is correct
18	Correct	54 ms	99920 KB	Output is correct

Subtask #3

0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2221 ms	8452 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	188 ms	3580 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3420 KB	Output is correct
2	Correct	1 ms	3420 KB	Output is correct
3	Correct	2 ms	7516 KB	Output is correct
4	Correct	2 ms	5464 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	3 ms	13660 KB	Output is correct
7	Correct	3 ms	13656 KB	Output is correct
8	Correct	4 ms	13904 KB	Output is correct
9	Correct	3 ms	9564 KB	Output is correct
10	Correct	3 ms	13660 KB	Output is correct
11	Correct	13 ms	32136 KB	Output is correct
12	Correct	61 ms	99928 KB	Output is correct
13	Correct	56 ms	100048 KB	Output is correct
14	Correct	60 ms	99920 KB	Output is correct
15	Correct	61 ms	99916 KB	Output is correct
16	Correct	52 ms	100048 KB	Output is correct
17	Correct	38 ms	83536 KB	Output is correct
18	Correct	54 ms	99920 KB	Output is correct
19	Incorrect	434 ms	8460 KB	Output isn't correct
20	Halted	0 ms	0 KB	-

Subtask #6

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3420 KB	Output is correct
2	Correct	1 ms	3420 KB	Output is correct
3	Correct	2 ms	7516 KB	Output is correct
4	Correct	2 ms	5464 KB	Output is correct
5	Correct	2 ms	7516 KB	Output is correct
6	Correct	3 ms	13660 KB	Output is correct
7	Correct	3 ms	13656 KB	Output is correct
8	Correct	4 ms	13904 KB	Output is correct
9	Correct	3 ms	9564 KB	Output is correct
10	Correct	3 ms	13660 KB	Output is correct
11	Correct	13 ms	32136 KB	Output is correct
12	Correct	61 ms	99928 KB	Output is correct
13	Correct	56 ms	100048 KB	Output is correct
14	Correct	60 ms	99920 KB	Output is correct
15	Correct	61 ms	99916 KB	Output is correct
16	Correct	52 ms	100048 KB	Output is correct
17	Correct	38 ms	83536 KB	Output is correct
18	Correct	54 ms	99920 KB	Output is correct
19	Incorrect	2221 ms	8452 KB	Output isn't correct
20	Halted	0 ms	0 KB	-