Submission #705784

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
705784	2023-03-05T08:50:49 Z	Abrar_Al_Samit	Ancient Books (IOI17_books)	C++17	50 / 100	129 ms	15848 KB

books

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

const int nax = 1e6;
bool vis[nax];
int n;
long long minimum_walk(vector<int>p, int s) {
	long long ans = 0;
	n = p.size();

	for(int i=0; i<n; ++i) {
		if(vis[i]) continue;
		if(i==p[i]) continue;

		int j = i;
		while(1) {
			if(vis[j]) break;
			vis[j] = 1;
			ans += abs(j-p[j]);
			j = p[j];
		}
	}
	int lst = n;
	while(lst-1>=0 && p[lst-1]==lst-1) --lst;

	int fur = -1;
	int cnt = 0;
	memset(vis, 0, sizeof vis);
	for(int i=0; i<lst; ++i) if(!vis[i]) {
		if(i>fur) {
			++cnt;
		}
		int j = i;
		while(1) {
			if(vis[j]) break;
			vis[j] = true;
			fur = max(j, fur);
			j = p[j];
		}
	}
	ans += max(0, cnt-1) * 2;
	return ans;
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1236 KB	Output is correct
2	Correct	1 ms	1236 KB	Output is correct
3	Correct	1 ms	1236 KB	Output is correct
4	Correct	1 ms	1236 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1204 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1208 KB	Output is correct
9	Correct	1 ms	1240 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1236 KB	Output is correct
12	Correct	1 ms	1236 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct
14	Correct	1 ms	1236 KB	Output is correct
15	Correct	1 ms	1236 KB	Output is correct
16	Correct	1 ms	1236 KB	Output is correct
17	Correct	1 ms	1236 KB	Output is correct
18	Correct	1 ms	1236 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1236 KB	Output is correct
2	Correct	1 ms	1236 KB	Output is correct
3	Correct	1 ms	1236 KB	Output is correct
4	Correct	1 ms	1236 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1204 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1208 KB	Output is correct
9	Correct	1 ms	1240 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1236 KB	Output is correct
12	Correct	1 ms	1236 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct
14	Correct	1 ms	1236 KB	Output is correct
15	Correct	1 ms	1236 KB	Output is correct
16	Correct	1 ms	1236 KB	Output is correct
17	Correct	1 ms	1236 KB	Output is correct
18	Correct	1 ms	1236 KB	Output is correct
19	Correct	1 ms	1236 KB	Output is correct
20	Correct	1 ms	1236 KB	Output is correct
21	Correct	1 ms	1236 KB	Output is correct
22	Correct	1 ms	1236 KB	Output is correct
23	Correct	1 ms	1236 KB	Output is correct
24	Correct	1 ms	1236 KB	Output is correct
25	Correct	1 ms	1236 KB	Output is correct
26	Correct	1 ms	1236 KB	Output is correct
27	Correct	1 ms	1236 KB	Output is correct
28	Correct	1 ms	1208 KB	Output is correct
29	Correct	1 ms	1236 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1236 KB	Output is correct
2	Correct	1 ms	1236 KB	Output is correct
3	Correct	1 ms	1236 KB	Output is correct
4	Correct	1 ms	1236 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1204 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1208 KB	Output is correct
9	Correct	1 ms	1240 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1236 KB	Output is correct
12	Correct	1 ms	1236 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct
14	Correct	1 ms	1236 KB	Output is correct
15	Correct	1 ms	1236 KB	Output is correct
16	Correct	1 ms	1236 KB	Output is correct
17	Correct	1 ms	1236 KB	Output is correct
18	Correct	1 ms	1236 KB	Output is correct
19	Correct	1 ms	1236 KB	Output is correct
20	Correct	1 ms	1236 KB	Output is correct
21	Correct	1 ms	1236 KB	Output is correct
22	Correct	1 ms	1236 KB	Output is correct
23	Correct	1 ms	1236 KB	Output is correct
24	Correct	1 ms	1236 KB	Output is correct
25	Correct	1 ms	1236 KB	Output is correct
26	Correct	1 ms	1236 KB	Output is correct
27	Correct	1 ms	1236 KB	Output is correct
28	Correct	1 ms	1208 KB	Output is correct
29	Correct	1 ms	1236 KB	Output is correct
30	Correct	127 ms	15840 KB	Output is correct
31	Correct	129 ms	15848 KB	Output is correct
32	Correct	92 ms	15724 KB	Output is correct
33	Correct	100 ms	15736 KB	Output is correct
34	Correct	98 ms	15728 KB	Output is correct
35	Correct	105 ms	15716 KB	Output is correct
36	Correct	102 ms	15740 KB	Output is correct
37	Correct	89 ms	15732 KB	Output is correct
38	Correct	89 ms	15728 KB	Output is correct
39	Correct	90 ms	15716 KB	Output is correct
40	Correct	93 ms	15732 KB	Output is correct
41	Correct	112 ms	15732 KB	Output is correct
42	Correct	111 ms	15728 KB	Output is correct
43	Correct	99 ms	15824 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	1236 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	1236 KB	Output is correct
2	Correct	1 ms	1236 KB	Output is correct
3	Correct	1 ms	1236 KB	Output is correct
4	Correct	1 ms	1236 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1204 KB	Output is correct
7	Correct	1 ms	1236 KB	Output is correct
8	Correct	1 ms	1208 KB	Output is correct
9	Correct	1 ms	1240 KB	Output is correct
10	Correct	1 ms	1236 KB	Output is correct
11	Correct	1 ms	1236 KB	Output is correct
12	Correct	1 ms	1236 KB	Output is correct
13	Correct	1 ms	1236 KB	Output is correct
14	Correct	1 ms	1236 KB	Output is correct
15	Correct	1 ms	1236 KB	Output is correct
16	Correct	1 ms	1236 KB	Output is correct
17	Correct	1 ms	1236 KB	Output is correct
18	Correct	1 ms	1236 KB	Output is correct
19	Correct	1 ms	1236 KB	Output is correct
20	Correct	1 ms	1236 KB	Output is correct
21	Correct	1 ms	1236 KB	Output is correct
22	Correct	1 ms	1236 KB	Output is correct
23	Correct	1 ms	1236 KB	Output is correct
24	Correct	1 ms	1236 KB	Output is correct
25	Correct	1 ms	1236 KB	Output is correct
26	Correct	1 ms	1236 KB	Output is correct
27	Correct	1 ms	1236 KB	Output is correct
28	Correct	1 ms	1208 KB	Output is correct
29	Correct	1 ms	1236 KB	Output is correct
30	Correct	127 ms	15840 KB	Output is correct
31	Correct	129 ms	15848 KB	Output is correct
32	Correct	92 ms	15724 KB	Output is correct
33	Correct	100 ms	15736 KB	Output is correct
34	Correct	98 ms	15728 KB	Output is correct
35	Correct	105 ms	15716 KB	Output is correct
36	Correct	102 ms	15740 KB	Output is correct
37	Correct	89 ms	15732 KB	Output is correct
38	Correct	89 ms	15728 KB	Output is correct
39	Correct	90 ms	15716 KB	Output is correct
40	Correct	93 ms	15732 KB	Output is correct
41	Correct	112 ms	15732 KB	Output is correct
42	Correct	111 ms	15728 KB	Output is correct
43	Correct	99 ms	15824 KB	Output is correct
44	Incorrect	1 ms	1236 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #705784

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