Submission #507644

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
507644	2022-01-12T22:14:58 Z	Hanksburger	Ancient Books (IOI17_books)	C++17	50 / 100	116 ms	30564 KB

books

#include <bits/stdc++.h>
using namespace std;
long long pos[1000005], num[1000005];
long long minimum_walk(vector<int> p, int s)
{
	long long n=p.size(), l=-1, r=-1, ans=0;
	for (long long i=0; i<n; i++)
		pos[p[i]]=i;
	for (long long i=0; i<n; i++)
	{
		if (i<=pos[i])
		{
			ans+=pos[i]-i;
			num[i]++;
			num[pos[i]]--;
		}
		else
		{
			ans+=i-pos[i];
			num[pos[i]]++;
			num[i]--;
		}
	}
	for (long long i=1; i<=n-2; i++)
		num[i]+=num[i-1];
	for (long long i=0; i<=n-2; i++)
	{
		if (num[i])
		{
			l=i;
			break;
		}
	}
	for (long long i=n-2; i>=0; i--)
	{
		if (num[i])
		{
			r=i;
			break;
		}
	}
	if (l!=-1)
	{
		for (long long i=l; i<=r; i++)
			if (!num[i])
				ans+=2;
		if (s<l)
			ans+=(l-s)*2;
		if (s>=r+2)
			ans+=(s-r-1)*2;
	}
	return ans;
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	300 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	304 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	300 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	304 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	0 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	0 ms	304 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	300 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	304 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	0 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	0 ms	304 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	110 ms	30540 KB	Output is correct
31	Correct	105 ms	30516 KB	Output is correct
32	Correct	105 ms	30436 KB	Output is correct
33	Correct	107 ms	30440 KB	Output is correct
34	Correct	97 ms	30508 KB	Output is correct
35	Correct	104 ms	30432 KB	Output is correct
36	Correct	108 ms	30436 KB	Output is correct
37	Correct	98 ms	30404 KB	Output is correct
38	Correct	104 ms	30432 KB	Output is correct
39	Correct	98 ms	30564 KB	Output is correct
40	Correct	104 ms	30444 KB	Output is correct
41	Correct	104 ms	30484 KB	Output is correct
42	Correct	116 ms	30444 KB	Output is correct
43	Correct	96 ms	30452 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	332 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	0 ms	300 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	300 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	304 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	332 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	0 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	0 ms	304 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	110 ms	30540 KB	Output is correct
31	Correct	105 ms	30516 KB	Output is correct
32	Correct	105 ms	30436 KB	Output is correct
33	Correct	107 ms	30440 KB	Output is correct
34	Correct	97 ms	30508 KB	Output is correct
35	Correct	104 ms	30432 KB	Output is correct
36	Correct	108 ms	30436 KB	Output is correct
37	Correct	98 ms	30404 KB	Output is correct
38	Correct	104 ms	30432 KB	Output is correct
39	Correct	98 ms	30564 KB	Output is correct
40	Correct	104 ms	30444 KB	Output is correct
41	Correct	104 ms	30484 KB	Output is correct
42	Correct	116 ms	30444 KB	Output is correct
43	Correct	96 ms	30452 KB	Output is correct
44	Incorrect	1 ms	332 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #507644

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0