Submission #706649

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
706649	2023-03-07T09:34:16 Z	ld_minh4354	Cigle (COI21_cigle)	C++17	100 / 100	251 ms	392708 KB

cigle

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

#define int long long
#define fi first
#define se second
#define pb push_back
#define debug(x) cout<<#x<<": "<<x<<"\n"



signed main()
{
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//	freopen("input.000","r",stdin);
//	freopen("output.000","w",stdout);
//	srand((unsigned)time(NULL));
//	rand()
	
	int n,i,a[5005],dp[5005][5005],j,cnt,l,diff,optl,ans,dpmax[5005][5005];
	
	cin>>n;
	for (i=1;i<n+1;i++) cin>>a[i];
	
	for (j=1;j<n+1;j++) dp[0][j]=dp[1][j]=0;
	for (j=1;j<n+1;j++) dpmax[0][j]=dpmax[1][j]=0;
	
	ans=0;
	for (i=2;i<n;i++)
	{
		cnt=0;l=i-1;diff=0;optl=i-1;
		
		dp[i][i+1]=dpmax[i-1][i];
		dpmax[i][i+1]=max(dpmax[i-1][i+1],dp[i][i+1]);
		
		for (j=i+2;j<n+1;j++)
		{
			diff -= a[j-1];
			while (diff<0 and l>0)
			{
				diff += a[l+1];
				l--;
			}
			
			if (diff==0)
			{
				cnt++;
				optl=l;
			}
			
			dp[i][j]=max(dp[i][j-1],dpmax[optl][i]+cnt);
			dpmax[i][j]=max(dpmax[i-1][j],dp[i][j]);
			
			ans=max(ans,dp[i][j]);
//			cout<<i<<" "<<j<<" "<<dp[i][j]<<" "<<optl<<" "<<cnt<<"\n";
		}
	}
	
	cout<<ans;
}

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	147 ms	392624 KB	Output is correct
2	Correct	155 ms	392504 KB	Output is correct
3	Correct	247 ms	392428 KB	Output is correct
4	Correct	150 ms	392424 KB	Output is correct
5	Correct	160 ms	392420 KB	Output is correct
6	Correct	168 ms	392448 KB	Output is correct
7	Correct	156 ms	392400 KB	Output is correct
8	Correct	153 ms	392516 KB	Output is correct
9	Correct	150 ms	392396 KB	Output is correct

Subtask #2
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	147 ms	392624 KB	Output is correct
2	Correct	155 ms	392504 KB	Output is correct
3	Correct	247 ms	392428 KB	Output is correct
4	Correct	150 ms	392424 KB	Output is correct
5	Correct	160 ms	392420 KB	Output is correct
6	Correct	168 ms	392448 KB	Output is correct
7	Correct	156 ms	392400 KB	Output is correct
8	Correct	153 ms	392516 KB	Output is correct
9	Correct	150 ms	392396 KB	Output is correct
10	Correct	149 ms	392592 KB	Output is correct
11	Correct	151 ms	392476 KB	Output is correct
12	Correct	151 ms	392420 KB	Output is correct
13	Correct	153 ms	392468 KB	Output is correct
14	Correct	150 ms	392396 KB	Output is correct
15	Correct	157 ms	392692 KB	Output is correct
16	Correct	151 ms	392396 KB	Output is correct
17	Correct	152 ms	392484 KB	Output is correct
18	Correct	149 ms	392532 KB	Output is correct
19	Correct	156 ms	392532 KB	Output is correct
20	Correct	148 ms	392396 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	147 ms	392416 KB	Output is correct
2	Correct	151 ms	392504 KB	Output is correct
3	Correct	153 ms	392524 KB	Output is correct
4	Correct	153 ms	392508 KB	Output is correct
5	Correct	149 ms	392396 KB	Output is correct
6	Correct	150 ms	392404 KB	Output is correct
7	Correct	152 ms	392408 KB	Output is correct
8	Correct	150 ms	392436 KB	Output is correct
9	Correct	152 ms	392392 KB	Output is correct
10	Correct	151 ms	392544 KB	Output is correct
11	Correct	152 ms	392472 KB	Output is correct
12	Correct	150 ms	392448 KB	Output is correct

Subtask #4
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	147 ms	392624 KB	Output is correct
2	Correct	155 ms	392504 KB	Output is correct
3	Correct	247 ms	392428 KB	Output is correct
4	Correct	150 ms	392424 KB	Output is correct
5	Correct	160 ms	392420 KB	Output is correct
6	Correct	168 ms	392448 KB	Output is correct
7	Correct	156 ms	392400 KB	Output is correct
8	Correct	153 ms	392516 KB	Output is correct
9	Correct	150 ms	392396 KB	Output is correct
10	Correct	149 ms	392592 KB	Output is correct
11	Correct	151 ms	392476 KB	Output is correct
12	Correct	151 ms	392420 KB	Output is correct
13	Correct	153 ms	392468 KB	Output is correct
14	Correct	150 ms	392396 KB	Output is correct
15	Correct	157 ms	392692 KB	Output is correct
16	Correct	151 ms	392396 KB	Output is correct
17	Correct	152 ms	392484 KB	Output is correct
18	Correct	149 ms	392532 KB	Output is correct
19	Correct	156 ms	392532 KB	Output is correct
20	Correct	148 ms	392396 KB	Output is correct
21	Correct	147 ms	392416 KB	Output is correct
22	Correct	151 ms	392504 KB	Output is correct
23	Correct	153 ms	392524 KB	Output is correct
24	Correct	153 ms	392508 KB	Output is correct
25	Correct	149 ms	392396 KB	Output is correct
26	Correct	150 ms	392404 KB	Output is correct
27	Correct	152 ms	392408 KB	Output is correct
28	Correct	150 ms	392436 KB	Output is correct
29	Correct	152 ms	392392 KB	Output is correct
30	Correct	151 ms	392544 KB	Output is correct
31	Correct	152 ms	392472 KB	Output is correct
32	Correct	150 ms	392448 KB	Output is correct
33	Correct	151 ms	392480 KB	Output is correct
34	Correct	148 ms	392440 KB	Output is correct
35	Correct	148 ms	392532 KB	Output is correct
36	Correct	147 ms	392396 KB	Output is correct
37	Correct	156 ms	392472 KB	Output is correct
38	Correct	159 ms	392432 KB	Output is correct
39	Correct	151 ms	392652 KB	Output is correct
40	Correct	156 ms	392396 KB	Output is correct
41	Correct	147 ms	392568 KB	Output is correct
42	Correct	149 ms	392444 KB	Output is correct
43	Correct	150 ms	392564 KB	Output is correct
44	Correct	149 ms	392416 KB	Output is correct
45	Correct	150 ms	392396 KB	Output is correct
46	Correct	151 ms	392488 KB	Output is correct
47	Correct	153 ms	392396 KB	Output is correct
48	Correct	148 ms	392488 KB	Output is correct
49	Correct	147 ms	392392 KB	Output is correct

Subtask #5
52.0 / 52.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	147 ms	392624 KB	Output is correct
2	Correct	155 ms	392504 KB	Output is correct
3	Correct	247 ms	392428 KB	Output is correct
4	Correct	150 ms	392424 KB	Output is correct
5	Correct	160 ms	392420 KB	Output is correct
6	Correct	168 ms	392448 KB	Output is correct
7	Correct	156 ms	392400 KB	Output is correct
8	Correct	153 ms	392516 KB	Output is correct
9	Correct	150 ms	392396 KB	Output is correct
10	Correct	149 ms	392592 KB	Output is correct
11	Correct	151 ms	392476 KB	Output is correct
12	Correct	151 ms	392420 KB	Output is correct
13	Correct	153 ms	392468 KB	Output is correct
14	Correct	150 ms	392396 KB	Output is correct
15	Correct	157 ms	392692 KB	Output is correct
16	Correct	151 ms	392396 KB	Output is correct
17	Correct	152 ms	392484 KB	Output is correct
18	Correct	149 ms	392532 KB	Output is correct
19	Correct	156 ms	392532 KB	Output is correct
20	Correct	148 ms	392396 KB	Output is correct
21	Correct	147 ms	392416 KB	Output is correct
22	Correct	151 ms	392504 KB	Output is correct
23	Correct	153 ms	392524 KB	Output is correct
24	Correct	153 ms	392508 KB	Output is correct
25	Correct	149 ms	392396 KB	Output is correct
26	Correct	150 ms	392404 KB	Output is correct
27	Correct	152 ms	392408 KB	Output is correct
28	Correct	150 ms	392436 KB	Output is correct
29	Correct	152 ms	392392 KB	Output is correct
30	Correct	151 ms	392544 KB	Output is correct
31	Correct	152 ms	392472 KB	Output is correct
32	Correct	150 ms	392448 KB	Output is correct
33	Correct	151 ms	392480 KB	Output is correct
34	Correct	148 ms	392440 KB	Output is correct
35	Correct	148 ms	392532 KB	Output is correct
36	Correct	147 ms	392396 KB	Output is correct
37	Correct	156 ms	392472 KB	Output is correct
38	Correct	159 ms	392432 KB	Output is correct
39	Correct	151 ms	392652 KB	Output is correct
40	Correct	156 ms	392396 KB	Output is correct
41	Correct	147 ms	392568 KB	Output is correct
42	Correct	149 ms	392444 KB	Output is correct
43	Correct	150 ms	392564 KB	Output is correct
44	Correct	149 ms	392416 KB	Output is correct
45	Correct	150 ms	392396 KB	Output is correct
46	Correct	151 ms	392488 KB	Output is correct
47	Correct	153 ms	392396 KB	Output is correct
48	Correct	148 ms	392488 KB	Output is correct
49	Correct	147 ms	392392 KB	Output is correct
50	Correct	218 ms	392396 KB	Output is correct
51	Correct	217 ms	392432 KB	Output is correct
52	Correct	216 ms	392512 KB	Output is correct
53	Correct	223 ms	392520 KB	Output is correct
54	Correct	221 ms	392480 KB	Output is correct
55	Correct	251 ms	392520 KB	Output is correct
56	Correct	237 ms	392520 KB	Output is correct
57	Correct	235 ms	392708 KB	Output is correct
58	Correct	235 ms	392396 KB	Output is correct
59	Correct	235 ms	392520 KB	Output is correct
60	Correct	220 ms	392620 KB	Output is correct
61	Correct	203 ms	392524 KB	Output is correct
62	Correct	198 ms	392600 KB	Output is correct
63	Correct	195 ms	392500 KB	Output is correct
64	Correct	197 ms	392488 KB	Output is correct
65	Correct	196 ms	392524 KB	Output is correct
66	Correct	200 ms	392660 KB	Output is correct
67	Correct	188 ms	392524 KB	Output is correct
68	Correct	190 ms	392520 KB	Output is correct
69	Correct	193 ms	392456 KB	Output is correct
70	Correct	211 ms	392528 KB	Output is correct
71	Correct	230 ms	392624 KB	Output is correct
72	Correct	216 ms	392552 KB	Output is correct

Submission #706649

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 11.0 / 11.0

Subtask #3 13.0 / 13.0

Subtask #4 15.0 / 15.0

Subtask #5 52.0 / 52.0

Subtask #1
9.0 / 9.0

Subtask #2
11.0 / 11.0

Subtask #3
13.0 / 13.0

Subtask #4
15.0 / 15.0

Subtask #5
52.0 / 52.0