Submission #566296

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
566296	2022-05-22T08:19:06 Z	sofapuden	Ancient Books (IOI17_books)	C++14	50 / 100	169 ms	50136 KB

books

#include "books.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

ll minimum_walk(vector<int> p, int s) {
	ll su = 0;
	int mx = 0;
	int n = p.size();
	vector<int> vis(n,0);
	vector<int> cnt(n+1,0);
	ll ans = 0;
	int cn = 0;
	vector<vector<int>> gr(n+1);
	for(int i = 0; i < n; ++i){
		if(!vis[i]){
			cn++;
			while(!vis[i]){
				ans+=abs(i-p[i]);
				vis[i] = cn;
				cnt[cn]++;
				i = p[i];
			}
		}
	}
	int dif = 0;
	vector<int> cnt2(n+1,0);
	for(int i = 0; i < n; ++i){
		if(!cnt2[vis[i]]++)dif++;
		if(cnt2[vis[i]] == cnt[vis[i]])dif--;
		if(!dif)ans+=2;
		else mx = i+1;
	}
	return ans-2*(n-mx);
}

Compilation message

books.cpp: In function 'll minimum_walk(std::vector<int>, int)':
books.cpp:9:5: warning: unused variable 'su' [-Wunused-variable]
    9 |  ll su = 0;
      |     ^~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	252 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	300 KB	Output is correct
17	Correct	1 ms	224 KB	Output is correct
18	Correct	0 ms	300 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	252 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	300 KB	Output is correct
17	Correct	1 ms	224 KB	Output is correct
18	Correct	0 ms	300 KB	Output is correct
19	Correct	1 ms	292 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	252 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	300 KB	Output is correct
17	Correct	1 ms	224 KB	Output is correct
18	Correct	0 ms	300 KB	Output is correct
19	Correct	1 ms	292 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	168 ms	49984 KB	Output is correct
31	Correct	169 ms	50008 KB	Output is correct
32	Correct	130 ms	49996 KB	Output is correct
33	Correct	136 ms	50020 KB	Output is correct
34	Correct	128 ms	50008 KB	Output is correct
35	Correct	147 ms	50012 KB	Output is correct
36	Correct	125 ms	50016 KB	Output is correct
37	Correct	118 ms	50012 KB	Output is correct
38	Correct	146 ms	50008 KB	Output is correct
39	Correct	127 ms	50012 KB	Output is correct
40	Correct	119 ms	50008 KB	Output is correct
41	Correct	144 ms	49988 KB	Output is correct
42	Correct	137 ms	50020 KB	Output is correct
43	Correct	126 ms	50136 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 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	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	252 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	300 KB	Output is correct
17	Correct	1 ms	224 KB	Output is correct
18	Correct	0 ms	300 KB	Output is correct
19	Correct	1 ms	292 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	168 ms	49984 KB	Output is correct
31	Correct	169 ms	50008 KB	Output is correct
32	Correct	130 ms	49996 KB	Output is correct
33	Correct	136 ms	50020 KB	Output is correct
34	Correct	128 ms	50008 KB	Output is correct
35	Correct	147 ms	50012 KB	Output is correct
36	Correct	125 ms	50016 KB	Output is correct
37	Correct	118 ms	50012 KB	Output is correct
38	Correct	146 ms	50008 KB	Output is correct
39	Correct	127 ms	50012 KB	Output is correct
40	Correct	119 ms	50008 KB	Output is correct
41	Correct	144 ms	49988 KB	Output is correct
42	Correct	137 ms	50020 KB	Output is correct
43	Correct	126 ms	50136 KB	Output is correct
44	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #566296

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