답안 #299767

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
299767	2020-09-15T15:12:34 Z	errorgorn	고대 책들 (IOI17_books)	C++14	50 / 100	207 ms	24292 KB

books

#include "books.h"

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

#define ll long long
#define ii pair<int,int>
#define fi first
#define se second

#define rep(x,s,e) for (auto x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

int n;
vector<int> arr;

int fwd[1000005];
vector<int> imp;

long long minimum_walk(std::vector<int> p, int s) {
	n=sz(p);
	arr=p;
	
	rep(x,0,n){
		if (x<arr[x]){
			fwd[x]++,fwd[arr[x]]--;
			imp.push_back(x);
			imp.push_back(arr[x]);
		}
		else if (arr[x]<x){
			imp.push_back(x);
			imp.push_back(arr[x]);
		}
	}
	
	if (imp.empty()) return 0;
	
	rep(x,0,n) fwd[x+1]+=fwd[x];
	
	int l=0,r=n-1;
	while (fwd[l]==0) l++;
	while (fwd[r]==0) r--;
	
	ll ans=1e9;
	for (auto &it:imp) ans=min(ans,(ll)abs(s-it));
	
	rep(x,l,r+1){
		ans+=max(fwd[x],1);
	}
	
	return ans*2;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	416 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	288 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	416 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	288 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	416 KB	Output is correct
20	Correct	1 ms	288 KB	Output is correct
21	Correct	1 ms	416 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	416 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	288 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	416 KB	Output is correct
20	Correct	1 ms	288 KB	Output is correct
21	Correct	1 ms	416 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	193 ms	24292 KB	Output is correct
31	Correct	207 ms	24292 KB	Output is correct
32	Correct	143 ms	12280 KB	Output is correct
33	Correct	167 ms	20016 KB	Output is correct
34	Correct	163 ms	20068 KB	Output is correct
35	Correct	163 ms	23524 KB	Output is correct
36	Correct	168 ms	23208 KB	Output is correct
37	Correct	173 ms	23848 KB	Output is correct
38	Correct	182 ms	23904 KB	Output is correct
39	Correct	174 ms	24032 KB	Output is correct
40	Correct	180 ms	23904 KB	Output is correct
41	Correct	197 ms	23904 KB	Output is correct
42	Correct	204 ms	24032 KB	Output is correct
43	Correct	164 ms	20068 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	384 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	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	416 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	288 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	416 KB	Output is correct
20	Correct	1 ms	288 KB	Output is correct
21	Correct	1 ms	416 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	193 ms	24292 KB	Output is correct
31	Correct	207 ms	24292 KB	Output is correct
32	Correct	143 ms	12280 KB	Output is correct
33	Correct	167 ms	20016 KB	Output is correct
34	Correct	163 ms	20068 KB	Output is correct
35	Correct	163 ms	23524 KB	Output is correct
36	Correct	168 ms	23208 KB	Output is correct
37	Correct	173 ms	23848 KB	Output is correct
38	Correct	182 ms	23904 KB	Output is correct
39	Correct	174 ms	24032 KB	Output is correct
40	Correct	180 ms	23904 KB	Output is correct
41	Correct	197 ms	23904 KB	Output is correct
42	Correct	204 ms	24032 KB	Output is correct
43	Correct	164 ms	20068 KB	Output is correct
44	Incorrect	1 ms	384 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #299767

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