Submission #71215

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
71215	2018-08-24T08:17:23 Z	Kmcode	Ancient Books (IOI17_books)	C++14	50 / 100	256 ms	16336 KB

books

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


int im1[1000002];
int im2[1000002];

long long minimum_walk(std::vector<int> p, int s) {
	for(int i=0;i<p.size();i++){
		if(i<=p[i]){
			im1[i]++;
			im1[p[i]]--;
		}
		else{
			im2[p[i]]++;
			im2[i]--;
		}
	}
	for(int i=1;i<p.size();i++){
		im1[i]+=im1[i-1];
		im2[i]+=im2[i-1];
	}
	int ava=0;
	long long int turn=0;
	for(int i=p.size()-1;i>=s;i--){
		if(im1[i]||im2[i]){
			ava=1;
		}
		int need=max(im1[i],im2[i]);
		need*=2;
		need=max(need,ava*2);
		turn+=need;
	}
	ava=0;
	for(int i=0;i<s;i++){
		if(im1[i]||im2[i]){
			ava=1;
		}
		int need=max(im1[i],im2[i]);
		need*=2;
		need=max(need,ava*2);
		turn+=need;
	}
	return turn;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:10:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<p.size();i++){
              ~^~~~~~~~~
books.cpp:20:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1;i<p.size();i++){
              ~^~~~~~~~~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	3 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	3 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	2 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	3 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	3 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	2 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct
19	Correct	2 ms	744 KB	Output is correct
20	Correct	3 ms	744 KB	Output is correct
21	Correct	3 ms	744 KB	Output is correct
22	Correct	3 ms	744 KB	Output is correct
23	Correct	3 ms	744 KB	Output is correct
24	Correct	3 ms	744 KB	Output is correct
25	Correct	4 ms	744 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	3 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	3 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	3 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	2 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct
19	Correct	2 ms	744 KB	Output is correct
20	Correct	3 ms	744 KB	Output is correct
21	Correct	3 ms	744 KB	Output is correct
22	Correct	3 ms	744 KB	Output is correct
23	Correct	3 ms	744 KB	Output is correct
24	Correct	3 ms	744 KB	Output is correct
25	Correct	4 ms	744 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	3 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	184 ms	16200 KB	Output is correct
31	Correct	217 ms	16252 KB	Output is correct
32	Correct	210 ms	16252 KB	Output is correct
33	Correct	157 ms	16252 KB	Output is correct
34	Correct	256 ms	16252 KB	Output is correct
35	Correct	151 ms	16252 KB	Output is correct
36	Correct	151 ms	16252 KB	Output is correct
37	Correct	164 ms	16252 KB	Output is correct
38	Correct	226 ms	16252 KB	Output is correct
39	Correct	160 ms	16252 KB	Output is correct
40	Correct	163 ms	16336 KB	Output is correct
41	Correct	245 ms	16336 KB	Output is correct
42	Correct	197 ms	16336 KB	Output is correct
43	Correct	178 ms	16336 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	16336 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	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	2 ms	432 KB	Output is correct
4	Correct	2 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	3 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	3 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	2 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	3 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	3 ms	744 KB	Output is correct
19	Correct	2 ms	744 KB	Output is correct
20	Correct	3 ms	744 KB	Output is correct
21	Correct	3 ms	744 KB	Output is correct
22	Correct	3 ms	744 KB	Output is correct
23	Correct	3 ms	744 KB	Output is correct
24	Correct	3 ms	744 KB	Output is correct
25	Correct	4 ms	744 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	3 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	184 ms	16200 KB	Output is correct
31	Correct	217 ms	16252 KB	Output is correct
32	Correct	210 ms	16252 KB	Output is correct
33	Correct	157 ms	16252 KB	Output is correct
34	Correct	256 ms	16252 KB	Output is correct
35	Correct	151 ms	16252 KB	Output is correct
36	Correct	151 ms	16252 KB	Output is correct
37	Correct	164 ms	16252 KB	Output is correct
38	Correct	226 ms	16252 KB	Output is correct
39	Correct	160 ms	16252 KB	Output is correct
40	Correct	163 ms	16336 KB	Output is correct
41	Correct	245 ms	16336 KB	Output is correct
42	Correct	197 ms	16336 KB	Output is correct
43	Correct	178 ms	16336 KB	Output is correct
44	Incorrect	3 ms	16336 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #71215

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