답안 #832496

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
832496	2023-08-21T10:54:32 Z	Rafi22	고대 책들 (IOI17_books)	C++14	100 / 100	132 ms	27988 KB

books

#include <bits/stdc++.h>
     
using namespace std;
     
#define ll long long 
#define ld long double
#define pb push_back
#define st first
#define nd second
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
int inf=1000000007;
ll infl=1000000000000000007;
     
const int N=1000007;
     
bool odw[N];
int id[N];
vector<pair<int,int>>V;
    
    
ll minimum_walk(vector<int>p,int s)
{
	int n=sz(p);
	ll ans=0;
	for(int i=0;i<n;i++) ans+=abs(i-p[i]);
	int c=0;
	int A=0,B=n-1;
	while(A<s&&p[A]==A) A++;
	while(s<B&&p[B]==B) B--;
	for(int i=0;i<n;i++)
	{
		if(odw[i]) continue;
		int l=inf,r=-inf,x=i;
		vector<int>X;
		while(!odw[x])
		{
			odw[x]=1;
			X.pb(x);
			l=min(l,x);
			r=max(r,x);
			x=p[x];
		}
		if(l==r&&(l<A||l>B)) continue;   		
		V.pb({l,r});
		for(auto x:X) id[x]=c;
		c++;
	}
	int i=s,j=s;
	int l=V[id[s]].st,r=V[id[s]].nd;
	while(l>A||r<B)
	{
		while(true)
		{
			if(i>l) 
			{
				i--;
				l=min(l,V[id[i]].st);
				r=max(r,V[id[i]].nd);
				
			}
			else if(j<r)
			{
				j++;
				l=min(l,V[id[j]].st);
				r=max(r,V[id[j]].nd);
			}
			else break;
		}
		//cout<<l<<" "<<r<<endl;
		if(l==A&&r==B) break;
		int cL=0,L=-1,p=inf;
		for(int k=l;k>=A;k--)
		{
			p=min(p,V[id[k]].st);
			if(V[id[k]].nd>r)
			{
				 L=k;
				 break;
			}
			if(k!=A&&p==k) cL++;
		}
		p=-inf;
		int cR=0,R=-1;
		for(int k=r;k<=B;k++)
		{
			p=max(p,V[id[k]].nd);
			if(V[id[k]].st<l)
			{
				 R=k;
				 break;
			}
			if(k!=B&&p==k) cR++;
		}
		if(L==-1)
		{
			ans+=2*(cL+cR);
			break;
		}
		l=L;
		r=R;
		ans+=2*min(cL,cR);
	}
    	
	return ans;
}
/*
int main()
{
	int nn,s;
	cin>>nn>>s;
	vector<int>V(nn);
	for(int i=0;i<nn;i++) cin>>V[i];
	//random_shuffle(all(V));
	//for(int i=0;i<nn;i++) cout<<V[i]<<" ";
	//cout<<endl;
	cout<<minimum_walk(V,s);
	return 0;
}*/
    

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	308 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	308 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	0 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	308 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	308 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	0 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	308 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	110 ms	22940 KB	Output is correct
31	Correct	103 ms	21744 KB	Output is correct
32	Correct	96 ms	15816 KB	Output is correct
33	Correct	122 ms	26916 KB	Output is correct
34	Correct	117 ms	26840 KB	Output is correct
35	Correct	114 ms	27856 KB	Output is correct
36	Correct	120 ms	21840 KB	Output is correct
37	Correct	88 ms	20272 KB	Output is correct
38	Correct	85 ms	19808 KB	Output is correct
39	Correct	87 ms	19808 KB	Output is correct
40	Correct	86 ms	19956 KB	Output is correct
41	Correct	99 ms	20584 KB	Output is correct
42	Correct	103 ms	20644 KB	Output is correct
43	Correct	112 ms	27704 KB	Output is correct

Subtask #4

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	308 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	312 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	304 KB	Output is correct
14	Correct	1 ms	308 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct

Subtask #5

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	308 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	304 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	0 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	308 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	110 ms	22940 KB	Output is correct
31	Correct	103 ms	21744 KB	Output is correct
32	Correct	96 ms	15816 KB	Output is correct
33	Correct	122 ms	26916 KB	Output is correct
34	Correct	117 ms	26840 KB	Output is correct
35	Correct	114 ms	27856 KB	Output is correct
36	Correct	120 ms	21840 KB	Output is correct
37	Correct	88 ms	20272 KB	Output is correct
38	Correct	85 ms	19808 KB	Output is correct
39	Correct	87 ms	19808 KB	Output is correct
40	Correct	86 ms	19956 KB	Output is correct
41	Correct	99 ms	20584 KB	Output is correct
42	Correct	103 ms	20644 KB	Output is correct
43	Correct	112 ms	27704 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	340 KB	Output is correct
47	Correct	1 ms	308 KB	Output is correct
48	Correct	0 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	312 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	304 KB	Output is correct
57	Correct	1 ms	308 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	0 ms	340 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	1 ms	212 KB	Output is correct
64	Correct	114 ms	26712 KB	Output is correct
65	Correct	108 ms	26424 KB	Output is correct
66	Correct	87 ms	20192 KB	Output is correct
67	Correct	87 ms	19948 KB	Output is correct
68	Correct	10 ms	2504 KB	Output is correct
69	Correct	10 ms	2380 KB	Output is correct
70	Correct	10 ms	2768 KB	Output is correct
71	Correct	12 ms	3244 KB	Output is correct
72	Correct	11 ms	3148 KB	Output is correct
73	Correct	9 ms	2236 KB	Output is correct
74	Correct	112 ms	26828 KB	Output is correct
75	Correct	132 ms	26848 KB	Output is correct
76	Correct	114 ms	27980 KB	Output is correct
77	Correct	110 ms	27856 KB	Output is correct
78	Correct	125 ms	27216 KB	Output is correct
79	Correct	120 ms	27224 KB	Output is correct
80	Correct	113 ms	15712 KB	Output is correct
81	Correct	103 ms	23736 KB	Output is correct
82	Correct	104 ms	23764 KB	Output is correct
83	Correct	107 ms	23884 KB	Output is correct
84	Correct	112 ms	23900 KB	Output is correct
85	Correct	97 ms	21848 KB	Output is correct
86	Correct	108 ms	20316 KB	Output is correct
87	Correct	113 ms	27980 KB	Output is correct
88	Correct	114 ms	27988 KB	Output is correct
89	Correct	118 ms	23968 KB	Output is correct
90	Correct	94 ms	19936 KB	Output is correct
91	Correct	89 ms	19808 KB	Output is correct
92	Correct	88 ms	19824 KB	Output is correct