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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#338486#7225. The Kirakira CycleKevin5307ML 1356ms191320kbC++20575b2024-02-25 23:00:402024-02-25 23:00:40

Judging History

你现在查看的是最新测评结果

  • [2024-02-25 23:00:40]
  • 评测
  • 测评结果:ML
  • 用时:1356ms
  • 内存:191320kb
  • [2024-02-25 23:00:40]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	int lim=n*(n-1)/2;
	vector<int> f(lim+1);
	for(int i=1;i<=n;i++)
		for(int j=i;j<=lim;j+=i)
			f[j]-=i;
	for(int i=1;i<=lim;i++)
		f[i]+=f[i-1]+n;
	int ans=0;
	vector<int> vis(lim+1);
	for(int i=0;i<=lim;i++)
	{
		vector<int> vec;
		int p=i;
		while(!vis[p])
		{
			vec.push_back(p);
			vis[p]=1;
			p=f[p];
		}
		reverse(vec.begin(),vec.end());
		while(!vec.empty()&&vec.back()!=p)
			vec.pop_back();
		ans=max(ans,(int)vec.size());
	}
	cout<<ans<<endl;
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3520kb

input:

2

output:

1

result:

ok 1 number(s): "1"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3448kb

input:

10

output:

4

result:

ok 1 number(s): "4"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3512kb

input:

43

output:

7

result:

ok 1 number(s): "7"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3468kb

input:

1

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3504kb

input:

3

output:

1

result:

ok 1 number(s): "1"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

4

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

5

output:

2

result:

ok 1 number(s): "2"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

6

output:

2

result:

ok 1 number(s): "2"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

7

output:

1

result:

ok 1 number(s): "1"

Test #10:

score: 0
Accepted
time: 1ms
memory: 3760kb

input:

8

output:

3

result:

ok 1 number(s): "3"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

9

output:

2

result:

ok 1 number(s): "2"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3512kb

input:

11

output:

7

result:

ok 1 number(s): "7"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

13

output:

6

result:

ok 1 number(s): "6"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

17

output:

4

result:

ok 1 number(s): "4"

Test #15:

score: 0
Accepted
time: 0ms
memory: 3496kb

input:

19

output:

5

result:

ok 1 number(s): "5"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

23

output:

3

result:

ok 1 number(s): "3"

Test #17:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

29

output:

2

result:

ok 1 number(s): "2"

Test #18:

score: 0
Accepted
time: 0ms
memory: 3516kb

input:

31

output:

13

result:

ok 1 number(s): "13"

Test #19:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

37

output:

5

result:

ok 1 number(s): "5"

Test #20:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

41

output:

21

result:

ok 1 number(s): "21"

Test #21:

score: 0
Accepted
time: 0ms
memory: 3480kb

input:

60

output:

8

result:

ok 1 number(s): "8"

Test #22:

score: 0
Accepted
time: 0ms
memory: 3508kb

input:

100

output:

11

result:

ok 1 number(s): "11"

Test #23:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

105

output:

41

result:

ok 1 number(s): "41"

Test #24:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

128

output:

31

result:

ok 1 number(s): "31"

Test #25:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

130

output:

25

result:

ok 1 number(s): "25"

Test #26:

score: 0
Accepted
time: 1ms
memory: 3840kb

input:

256

output:

52

result:

ok 1 number(s): "52"

Test #27:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

290

output:

15

result:

ok 1 number(s): "15"

Test #28:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

455

output:

104

result:

ok 1 number(s): "104"

Test #29:

score: 0
Accepted
time: 4ms
memory: 4108kb

input:

512

output:

45

result:

ok 1 number(s): "45"

Test #30:

score: 0
Accepted
time: 4ms
memory: 5496kb

input:

777

output:

35

result:

ok 1 number(s): "35"

Test #31:

score: 0
Accepted
time: 7ms
memory: 5316kb

input:

707

output:

175

result:

ok 1 number(s): "175"

Test #32:

score: 0
Accepted
time: 3ms
memory: 3960kb

input:

449

output:

13

result:

ok 1 number(s): "13"

Test #33:

score: 0
Accepted
time: 5ms
memory: 4480kb

input:

573

output:

168

result:

ok 1 number(s): "168"

Test #34:

score: 0
Accepted
time: 7ms
memory: 6008kb

input:

858

output:

49

result:

ok 1 number(s): "49"

Test #35:

score: 0
Accepted
time: 1ms
memory: 3732kb

input:

230

output:

58

result:

ok 1 number(s): "58"

Test #36:

score: 0
Accepted
time: 14ms
memory: 6760kb

input:

972

output:

117

result:

ok 1 number(s): "117"

Test #37:

score: 0
Accepted
time: 8ms
memory: 6116kb

input:

844

output:

47

result:

ok 1 number(s): "47"

Test #38:

score: 0
Accepted
time: 2ms
memory: 3676kb

input:

378

output:

37

result:

ok 1 number(s): "37"

Test #39:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

423

output:

49

result:

ok 1 number(s): "49"

Test #40:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

209

output:

20

result:

ok 1 number(s): "20"

Test #41:

score: 0
Accepted
time: 841ms
memory: 127648kb

input:

5645

output:

338

result:

ok 1 number(s): "338"

Test #42:

score: 0
Accepted
time: 68ms
memory: 19324kb

input:

2034

output:

249

result:

ok 1 number(s): "249"

Test #43:

score: 0
Accepted
time: 1058ms
memory: 151312kb

input:

6163

output:

206

result:

ok 1 number(s): "206"

Test #44:

score: 0
Accepted
time: 1138ms
memory: 164208kb

input:

6422

output:

346

result:

ok 1 number(s): "346"

Test #45:

score: 0
Accepted
time: 38ms
memory: 12376kb

input:

1550

output:

40

result:

ok 1 number(s): "40"

Test #46:

score: 0
Accepted
time: 1356ms
memory: 191320kb

input:

6940

output:

674

result:

ok 1 number(s): "674"

Test #47:

score: 0
Accepted
time: 63ms
memory: 19888kb

input:

2068

output:

157

result:

ok 1 number(s): "157"

Test #48:

score: 0
Accepted
time: 1041ms
memory: 153200kb

input:

6197

output:

594

result:

ok 1 number(s): "594"

Test #49:

score: 0
Accepted
time: 1094ms
memory: 166104kb

input:

6456

output:

913

result:

ok 1 number(s): "913"

Test #50:

score: -100
Memory Limit Exceeded

input:

8776

output:

423

result: