답안 #790574

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
790574	2023-07-22T21:05:28 Z	FEDIKUS	고대 책들 (IOI17_books)	C++17	50 / 100	164 ms	24760 KB

books

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

using ll = long long;
using namespace std;

const int maxn=1e6+10;

int n;
int mini[maxn];
int maxi[maxn];
bool bio[maxn];
int dsu[maxn],siz[maxn];

int cale(int a){return a==dsu[a] ? a:cale(dsu[a]);}
void join(int a,int b){
	a=cale(a); b=cale(b);
	if(a==b) return;
	if(siz[a]<siz[b]) swap(a,b);
	dsu[b]=a;
	siz[a]+=siz[b];
	maxi[a]=max(maxi[a],maxi[b]);
	mini[a]=min(mini[a],mini[b]);
}
void init(){
	for(int i=0;i<n;i++){dsu[i]=i; siz[i]=1; maxi[i]=i; mini[i]=i;}
}

ll minimum_walk(vector<int> p, int s) {
	n=p.size();
	init();
	ll ret=0;
	int imal=n,imar=-1;
	for(int i=0;i<n;i++){
		if(p[i]!=i) imal=min(imal,i);
		if(p[i]!=i) imar=i;
		ret+=abs(p[i]-i);
		if(bio[i]) continue;
		int tren=i;
		while(!bio[tren]){
			bio[tren]=true;
			join(tren,p[tren]);
			tren=p[tren];
		}
	}
	imal=min(imal,s);
	imar=max(imar,s);
	int l=s,r=s;
	int tl=mini[cale(s)],tr=maxi[cale(s)];
	int dodaol=0,dodaor=0;
	while(l!=imal || r!=imar){
		bool pl=false,pr=false;
		if(l!=tl && r!=tr){
			if(l!=tl){
				l--;
				tl=min(tl,mini[cale(l)]);
				tr=max(tr,maxi[cale(l)]);
			}
			if(r!=tr){
				r++;
				tl=min(tl,mini[cale(r)]);
				tr=max(tr,maxi[cale(r)]);
			}
		}
		if(l>imal && maxi[cale(l-1)]<=r){
			pl=true;
			l--;
			if(l<tl){
				ret+=2;
				dodaol++;
			}
			tl=min(tl,mini[cale(l)]);
		}
		if(r<imar && mini[cale(r+1)]>=l){
			pr=true;
			r++;
			if(r>tr){
				ret+=2;
				dodaor++;
			}
			tr=max(tr,maxi[cale(r)]);
		}
		if(pl || pr) continue;
		ret-=2*max(dodaol,dodaor);
		ret+=2;
		l--;
		tl=min(tl,mini[cale(l)]);
		tr=max(tr,maxi[cale(l)]);
		dodaol=0;
		dodaor=0;
	}
	return ret;
}

Subtask #1
12.0 / 12.0

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

Subtask #2
10.0 / 10.0

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

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 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	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	0 ms	340 KB	Output is correct
29	Correct	0 ms	340 KB	Output is correct
30	Correct	164 ms	24760 KB	Output is correct
31	Correct	162 ms	24708 KB	Output is correct
32	Correct	86 ms	24700 KB	Output is correct
33	Correct	91 ms	24652 KB	Output is correct
34	Correct	93 ms	24692 KB	Output is correct
35	Correct	96 ms	24692 KB	Output is correct
36	Correct	103 ms	24704 KB	Output is correct
37	Correct	96 ms	24648 KB	Output is correct
38	Correct	98 ms	24692 KB	Output is correct
39	Correct	92 ms	24696 KB	Output is correct
40	Correct	98 ms	24756 KB	Output is correct
41	Correct	111 ms	24692 KB	Output is correct
42	Correct	119 ms	24704 KB	Output is correct
43	Correct	93 ms	24692 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	340 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3308'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 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	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	0 ms	340 KB	Output is correct
29	Correct	0 ms	340 KB	Output is correct
30	Correct	164 ms	24760 KB	Output is correct
31	Correct	162 ms	24708 KB	Output is correct
32	Correct	86 ms	24700 KB	Output is correct
33	Correct	91 ms	24652 KB	Output is correct
34	Correct	93 ms	24692 KB	Output is correct
35	Correct	96 ms	24692 KB	Output is correct
36	Correct	103 ms	24704 KB	Output is correct
37	Correct	96 ms	24648 KB	Output is correct
38	Correct	98 ms	24692 KB	Output is correct
39	Correct	92 ms	24696 KB	Output is correct
40	Correct	98 ms	24756 KB	Output is correct
41	Correct	111 ms	24692 KB	Output is correct
42	Correct	119 ms	24704 KB	Output is correct
43	Correct	93 ms	24692 KB	Output is correct
44	Incorrect	0 ms	340 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3308'
45	Halted	0 ms	0 KB	-

답안 #790574

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