Submission #33234

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
33234	2017-10-23T04:15:11 Z	model_code	Ancient Books (IOI17_books)	C++11	50 / 100	196 ms	9944 KB

books

// Library solution for S=0 in O(N)
// Score: 50
#include "books.h"
#include <cstdlib>
#include <vector>

using namespace std;

long long minimum_walk(vector<int> order, int S){
	int N = order.size();
	long long int result = 0;
	int right = 0;
	vector<bool> covered(N-1, false);
	for(int i=0; i<N; i++) {
		result += abs(i-order[i]); // Compute d(pi)
		right = max(right,order[i]);
		if(i<N-1 && right>i) covered[i] = true;
	}
	int counter = 0;
	for(int i=0; i<N-1; i++) {
		if(!covered[i]) {
			// [i,i+1] is in E' if some uncovered edge follows
			counter++;
		} else {
			result += 2*counter;
			counter = 0;
		}
	}
	return result;
}

Subtask #1
12.0 / 12.0

#	Verdict	Memory	Grader output
1	Correct	1928 KB	Output is correct
2	Correct	1928 KB	Output is correct
3	Correct	1928 KB	Output is correct
4	Correct	1928 KB	Output is correct
5	Correct	1928 KB	Output is correct
6	Correct	1928 KB	Output is correct
7	Correct	1928 KB	Output is correct
8	Correct	1928 KB	Output is correct
9	Correct	1928 KB	Output is correct
10	Correct	1928 KB	Output is correct
11	Correct	1928 KB	Output is correct
12	Correct	1928 KB	Output is correct
13	Correct	1928 KB	Output is correct
14	Correct	1928 KB	Output is correct
15	Correct	1928 KB	Output is correct
16	Correct	1928 KB	Output is correct
17	Correct	1928 KB	Output is correct
18	Correct	1928 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	1928 KB	Output is correct
2	Correct	1928 KB	Output is correct
3	Correct	1928 KB	Output is correct
4	Correct	1928 KB	Output is correct
5	Correct	1928 KB	Output is correct
6	Correct	1928 KB	Output is correct
7	Correct	1928 KB	Output is correct
8	Correct	1928 KB	Output is correct
9	Correct	1928 KB	Output is correct
10	Correct	1928 KB	Output is correct
11	Correct	1928 KB	Output is correct
12	Correct	1928 KB	Output is correct
13	Correct	1928 KB	Output is correct
14	Correct	1928 KB	Output is correct
15	Correct	1928 KB	Output is correct
16	Correct	1928 KB	Output is correct
17	Correct	1928 KB	Output is correct
18	Correct	1928 KB	Output is correct
19	Correct	1928 KB	Output is correct
20	Correct	1928 KB	Output is correct
21	Correct	1928 KB	Output is correct
22	Correct	1928 KB	Output is correct
23	Correct	1928 KB	Output is correct
24	Correct	1928 KB	Output is correct
25	Correct	1928 KB	Output is correct
26	Correct	1928 KB	Output is correct
27	Correct	1928 KB	Output is correct
28	Correct	1928 KB	Output is correct
29	Correct	1928 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	1928 KB	Output is correct
2	Correct	0 ms	1928 KB	Output is correct
3	Correct	0 ms	1928 KB	Output is correct
4	Correct	0 ms	1928 KB	Output is correct
5	Correct	0 ms	1928 KB	Output is correct
6	Correct	0 ms	1928 KB	Output is correct
7	Correct	0 ms	1928 KB	Output is correct
8	Correct	0 ms	1928 KB	Output is correct
9	Correct	0 ms	1928 KB	Output is correct
10	Correct	0 ms	1928 KB	Output is correct
11	Correct	0 ms	1928 KB	Output is correct
12	Correct	0 ms	1928 KB	Output is correct
13	Correct	0 ms	1928 KB	Output is correct
14	Correct	0 ms	1928 KB	Output is correct
15	Correct	0 ms	1928 KB	Output is correct
16	Correct	0 ms	1928 KB	Output is correct
17	Correct	0 ms	1928 KB	Output is correct
18	Correct	0 ms	1928 KB	Output is correct
19	Correct	0 ms	1928 KB	Output is correct
20	Correct	0 ms	1928 KB	Output is correct
21	Correct	0 ms	1928 KB	Output is correct
22	Correct	0 ms	1928 KB	Output is correct
23	Correct	0 ms	1928 KB	Output is correct
24	Correct	0 ms	1928 KB	Output is correct
25	Correct	0 ms	1928 KB	Output is correct
26	Correct	0 ms	1928 KB	Output is correct
27	Correct	0 ms	1928 KB	Output is correct
28	Correct	0 ms	1928 KB	Output is correct
29	Correct	0 ms	1928 KB	Output is correct
30	Correct	186 ms	9944 KB	Output is correct
31	Correct	173 ms	9944 KB	Output is correct
32	Correct	173 ms	9944 KB	Output is correct
33	Correct	133 ms	9944 KB	Output is correct
34	Correct	156 ms	9944 KB	Output is correct
35	Correct	166 ms	9944 KB	Output is correct
36	Correct	146 ms	9944 KB	Output is correct
37	Correct	173 ms	9944 KB	Output is correct
38	Correct	149 ms	9944 KB	Output is correct
39	Correct	156 ms	9944 KB	Output is correct
40	Correct	196 ms	9944 KB	Output is correct
41	Correct	159 ms	9944 KB	Output is correct
42	Correct	196 ms	9944 KB	Output is correct
43	Correct	153 ms	9944 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	1928 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	1928 KB	Output is correct
2	Correct	0 ms	1928 KB	Output is correct
3	Correct	0 ms	1928 KB	Output is correct
4	Correct	0 ms	1928 KB	Output is correct
5	Correct	0 ms	1928 KB	Output is correct
6	Correct	0 ms	1928 KB	Output is correct
7	Correct	0 ms	1928 KB	Output is correct
8	Correct	0 ms	1928 KB	Output is correct
9	Correct	0 ms	1928 KB	Output is correct
10	Correct	0 ms	1928 KB	Output is correct
11	Correct	0 ms	1928 KB	Output is correct
12	Correct	0 ms	1928 KB	Output is correct
13	Correct	0 ms	1928 KB	Output is correct
14	Correct	0 ms	1928 KB	Output is correct
15	Correct	0 ms	1928 KB	Output is correct
16	Correct	0 ms	1928 KB	Output is correct
17	Correct	0 ms	1928 KB	Output is correct
18	Correct	0 ms	1928 KB	Output is correct
19	Correct	0 ms	1928 KB	Output is correct
20	Correct	0 ms	1928 KB	Output is correct
21	Correct	0 ms	1928 KB	Output is correct
22	Correct	0 ms	1928 KB	Output is correct
23	Correct	0 ms	1928 KB	Output is correct
24	Correct	0 ms	1928 KB	Output is correct
25	Correct	0 ms	1928 KB	Output is correct
26	Correct	0 ms	1928 KB	Output is correct
27	Correct	0 ms	1928 KB	Output is correct
28	Correct	0 ms	1928 KB	Output is correct
29	Correct	0 ms	1928 KB	Output is correct
30	Correct	186 ms	9944 KB	Output is correct
31	Correct	173 ms	9944 KB	Output is correct
32	Correct	173 ms	9944 KB	Output is correct
33	Correct	133 ms	9944 KB	Output is correct
34	Correct	156 ms	9944 KB	Output is correct
35	Correct	166 ms	9944 KB	Output is correct
36	Correct	146 ms	9944 KB	Output is correct
37	Correct	173 ms	9944 KB	Output is correct
38	Correct	149 ms	9944 KB	Output is correct
39	Correct	156 ms	9944 KB	Output is correct
40	Correct	196 ms	9944 KB	Output is correct
41	Correct	159 ms	9944 KB	Output is correct
42	Correct	196 ms	9944 KB	Output is correct
43	Correct	153 ms	9944 KB	Output is correct
44	Incorrect	0 ms	1928 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #33234

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