답안 #145405

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
145405	2019-08-19T19:39:52 Z	mohammedehab2002	고대 책들 (IOI17_books)	C++11	50 / 100	195 ms	37588 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> p;
vector<pair<int,int> > c,d;
bool vis[1000005];
void dfs(int i)
{
	vis[i]=1;
	auto &x=c[c.size()-1];
	x.first=min(x.first,i);
	x.second=max(x.second,i);
	if (!vis[p[i]])
	dfs(p[i]);
}
long long minimum_walk(vector<int> pp,int s)
{
	p=pp;
	while (!p.empty() && p.back()+1==p.size())
	p.pop_back();
	int n=p.size();
	if (!n)
	return 0;
	long long ans=0;
	for (int i=0;i<n;i++)
	{
		ans+=abs(p[i]-i);
		if (!vis[i])
		{
			c.push_back({i,i});
			dfs(i);
		}
	}
	sort(c.begin(),c.end());
	for (auto x:c)
	{
		if (d.empty() || x.first>d.back().second)
		d.push_back(x);
		else
		d[d.size()-1].second=max(d[d.size()-1].second,x.second);
	}
	return ans+2*((int)d.size()-1);
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:19:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (!p.empty() && p.back()+1==p.size())
                       ~~~~~~~~~~^~~~~~~~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	195 ms	19812 KB	Output is correct
31	Correct	193 ms	19832 KB	Output is correct
32	Correct	138 ms	18808 KB	Output is correct
33	Correct	189 ms	37588 KB	Output is correct
34	Correct	192 ms	37552 KB	Output is correct
35	Correct	187 ms	31828 KB	Output is correct
36	Correct	166 ms	24936 KB	Output is correct
37	Correct	154 ms	20436 KB	Output is correct
38	Correct	160 ms	19960 KB	Output is correct
39	Correct	155 ms	19924 KB	Output is correct
40	Correct	163 ms	19868 KB	Output is correct
41	Correct	188 ms	19800 KB	Output is correct
42	Correct	187 ms	19764 KB	Output is correct
43	Correct	190 ms	28100 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	2 ms	376 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	195 ms	19812 KB	Output is correct
31	Correct	193 ms	19832 KB	Output is correct
32	Correct	138 ms	18808 KB	Output is correct
33	Correct	189 ms	37588 KB	Output is correct
34	Correct	192 ms	37552 KB	Output is correct
35	Correct	187 ms	31828 KB	Output is correct
36	Correct	166 ms	24936 KB	Output is correct
37	Correct	154 ms	20436 KB	Output is correct
38	Correct	160 ms	19960 KB	Output is correct
39	Correct	155 ms	19924 KB	Output is correct
40	Correct	163 ms	19868 KB	Output is correct
41	Correct	188 ms	19800 KB	Output is correct
42	Correct	187 ms	19764 KB	Output is correct
43	Correct	190 ms	28100 KB	Output is correct
44	Incorrect	2 ms	376 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #145405

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