답안 #390526

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
390526	2021-04-16T09:12:23 Z	alireza_kaviani	고대 책들 (IOI17_books)	C++11	50 / 100	161 ms	15940 KB

books

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

typedef long long ll;

const int MAXN = 1e6 + 10;

int n;
ll ans , ps[MAXN];

ll minimum_walk(vector<int> p, int s) {
	n = p.size();
	for(int i = 0 ; i < n ; i++){
		ps[min(p[i] , i)]++;
		ps[max(p[i] , i)]--;
	}
	partial_sum(ps , ps + MAXN , ps);
	int l = 0 , r = n;
	while(l < s && ps[l] == 0)	l++;
	while(s <= r && ps[r] == 0)	r--;
	int res = s;
	for(int i = 0 ; i < n ; i++){
		if(ps[i] == 0)	res = min(res , abs(i - s) - (i < s));
	}
	for(int i = l ; i <= r ; i++){
		ans += max(2ll , ps[i]);
	}
	return ans + res * 2;
}

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	8056 KB	Output is correct
2	Correct	6 ms	8068 KB	Output is correct
3	Correct	6 ms	8012 KB	Output is correct
4	Correct	7 ms	8012 KB	Output is correct
5	Correct	6 ms	8028 KB	Output is correct
6	Correct	6 ms	8128 KB	Output is correct
7	Correct	6 ms	8080 KB	Output is correct
8	Correct	6 ms	8012 KB	Output is correct
9	Correct	6 ms	8012 KB	Output is correct
10	Correct	6 ms	8012 KB	Output is correct
11	Correct	6 ms	8012 KB	Output is correct
12	Correct	6 ms	8012 KB	Output is correct
13	Correct	6 ms	8012 KB	Output is correct
14	Correct	6 ms	8012 KB	Output is correct
15	Correct	6 ms	8012 KB	Output is correct
16	Correct	6 ms	8012 KB	Output is correct
17	Correct	6 ms	8084 KB	Output is correct
18	Correct	6 ms	8116 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	8056 KB	Output is correct
2	Correct	6 ms	8068 KB	Output is correct
3	Correct	6 ms	8012 KB	Output is correct
4	Correct	7 ms	8012 KB	Output is correct
5	Correct	6 ms	8028 KB	Output is correct
6	Correct	6 ms	8128 KB	Output is correct
7	Correct	6 ms	8080 KB	Output is correct
8	Correct	6 ms	8012 KB	Output is correct
9	Correct	6 ms	8012 KB	Output is correct
10	Correct	6 ms	8012 KB	Output is correct
11	Correct	6 ms	8012 KB	Output is correct
12	Correct	6 ms	8012 KB	Output is correct
13	Correct	6 ms	8012 KB	Output is correct
14	Correct	6 ms	8012 KB	Output is correct
15	Correct	6 ms	8012 KB	Output is correct
16	Correct	6 ms	8012 KB	Output is correct
17	Correct	6 ms	8084 KB	Output is correct
18	Correct	6 ms	8116 KB	Output is correct
19	Correct	6 ms	8016 KB	Output is correct
20	Correct	6 ms	8012 KB	Output is correct
21	Correct	6 ms	8012 KB	Output is correct
22	Correct	6 ms	8032 KB	Output is correct
23	Correct	6 ms	8012 KB	Output is correct
24	Correct	6 ms	8012 KB	Output is correct
25	Correct	6 ms	8012 KB	Output is correct
26	Correct	6 ms	8012 KB	Output is correct
27	Correct	6 ms	8012 KB	Output is correct
28	Correct	6 ms	8068 KB	Output is correct
29	Correct	6 ms	8012 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	8056 KB	Output is correct
2	Correct	6 ms	8068 KB	Output is correct
3	Correct	6 ms	8012 KB	Output is correct
4	Correct	7 ms	8012 KB	Output is correct
5	Correct	6 ms	8028 KB	Output is correct
6	Correct	6 ms	8128 KB	Output is correct
7	Correct	6 ms	8080 KB	Output is correct
8	Correct	6 ms	8012 KB	Output is correct
9	Correct	6 ms	8012 KB	Output is correct
10	Correct	6 ms	8012 KB	Output is correct
11	Correct	6 ms	8012 KB	Output is correct
12	Correct	6 ms	8012 KB	Output is correct
13	Correct	6 ms	8012 KB	Output is correct
14	Correct	6 ms	8012 KB	Output is correct
15	Correct	6 ms	8012 KB	Output is correct
16	Correct	6 ms	8012 KB	Output is correct
17	Correct	6 ms	8084 KB	Output is correct
18	Correct	6 ms	8116 KB	Output is correct
19	Correct	6 ms	8016 KB	Output is correct
20	Correct	6 ms	8012 KB	Output is correct
21	Correct	6 ms	8012 KB	Output is correct
22	Correct	6 ms	8032 KB	Output is correct
23	Correct	6 ms	8012 KB	Output is correct
24	Correct	6 ms	8012 KB	Output is correct
25	Correct	6 ms	8012 KB	Output is correct
26	Correct	6 ms	8012 KB	Output is correct
27	Correct	6 ms	8012 KB	Output is correct
28	Correct	6 ms	8068 KB	Output is correct
29	Correct	6 ms	8012 KB	Output is correct
30	Correct	156 ms	15852 KB	Output is correct
31	Correct	161 ms	15864 KB	Output is correct
32	Correct	142 ms	15940 KB	Output is correct
33	Correct	152 ms	15864 KB	Output is correct
34	Correct	149 ms	15868 KB	Output is correct
35	Correct	155 ms	15852 KB	Output is correct
36	Correct	146 ms	15868 KB	Output is correct
37	Correct	143 ms	15940 KB	Output is correct
38	Correct	147 ms	15868 KB	Output is correct
39	Correct	145 ms	15864 KB	Output is correct
40	Correct	144 ms	15864 KB	Output is correct
41	Correct	147 ms	15856 KB	Output is correct
42	Correct	146 ms	15868 KB	Output is correct
43	Correct	145 ms	15852 KB	Output is correct

Subtask #4

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	6 ms	8012 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3594'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	8056 KB	Output is correct
2	Correct	6 ms	8068 KB	Output is correct
3	Correct	6 ms	8012 KB	Output is correct
4	Correct	7 ms	8012 KB	Output is correct
5	Correct	6 ms	8028 KB	Output is correct
6	Correct	6 ms	8128 KB	Output is correct
7	Correct	6 ms	8080 KB	Output is correct
8	Correct	6 ms	8012 KB	Output is correct
9	Correct	6 ms	8012 KB	Output is correct
10	Correct	6 ms	8012 KB	Output is correct
11	Correct	6 ms	8012 KB	Output is correct
12	Correct	6 ms	8012 KB	Output is correct
13	Correct	6 ms	8012 KB	Output is correct
14	Correct	6 ms	8012 KB	Output is correct
15	Correct	6 ms	8012 KB	Output is correct
16	Correct	6 ms	8012 KB	Output is correct
17	Correct	6 ms	8084 KB	Output is correct
18	Correct	6 ms	8116 KB	Output is correct
19	Correct	6 ms	8016 KB	Output is correct
20	Correct	6 ms	8012 KB	Output is correct
21	Correct	6 ms	8012 KB	Output is correct
22	Correct	6 ms	8032 KB	Output is correct
23	Correct	6 ms	8012 KB	Output is correct
24	Correct	6 ms	8012 KB	Output is correct
25	Correct	6 ms	8012 KB	Output is correct
26	Correct	6 ms	8012 KB	Output is correct
27	Correct	6 ms	8012 KB	Output is correct
28	Correct	6 ms	8068 KB	Output is correct
29	Correct	6 ms	8012 KB	Output is correct
30	Correct	156 ms	15852 KB	Output is correct
31	Correct	161 ms	15864 KB	Output is correct
32	Correct	142 ms	15940 KB	Output is correct
33	Correct	152 ms	15864 KB	Output is correct
34	Correct	149 ms	15868 KB	Output is correct
35	Correct	155 ms	15852 KB	Output is correct
36	Correct	146 ms	15868 KB	Output is correct
37	Correct	143 ms	15940 KB	Output is correct
38	Correct	147 ms	15868 KB	Output is correct
39	Correct	145 ms	15864 KB	Output is correct
40	Correct	144 ms	15864 KB	Output is correct
41	Correct	147 ms	15856 KB	Output is correct
42	Correct	146 ms	15868 KB	Output is correct
43	Correct	145 ms	15852 KB	Output is correct
44	Incorrect	6 ms	8012 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3594'
45	Halted	0 ms	0 KB	-