답안 #390987

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
390987	2021-04-17T13:27:01 Z	alishahali1382	고대 책들 (IOI17_books)	C++14	50 / 100	177 ms	16380 KB

books

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

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
#define debug(x) {cerr<<#x<<"="<<x<<"\n";}
#define debug2(x, y) {cerr<<#x<<", "<<#y<<" = "<<x<<", "<<y<<"\n";}
#define pb push_back
#define all(x) x.begin(), x.end()

const int inf=1000000100;
const int MAXN=1000010;

ll ans; // :)
int n, m, k, s;
int P[MAXN], ps[MAXN];

ll minimum_walk(vector<int> _p, int s){
	n=_p.size();
	for (int i=0; i<n; i++){
		P[i]=_p[i];
		ans+=abs(i-P[i]);
		ps[min(i, P[i])]++;
		ps[max(i, P[i])]--;
	}
	if (!ans) return 0;
	while (P[n-1]==n-1) n--;
	int L=0;
	while (P[L]==L) L++;
	for (int i=1; i<n; i++) ps[i]+=ps[i-1];
	for (int i=L; i+1<n; i++) if (!ps[i]) ans+=2;
	if (s<L) ans+=2*(L-s);
	else if (n<s) ans+=2*(s-n);
	else{
		int res=inf;
		for (int i=L; i<n; i++) if (P[i]!=i) res=min(res, abs(i-s));
		ans+=res;
	}

	return ans;
}

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	304 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	304 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	139 ms	16268 KB	Output is correct
31	Correct	164 ms	16252 KB	Output is correct
32	Correct	131 ms	16224 KB	Output is correct
33	Correct	129 ms	16380 KB	Output is correct
34	Correct	129 ms	16256 KB	Output is correct
35	Correct	135 ms	16240 KB	Output is correct
36	Correct	129 ms	16256 KB	Output is correct
37	Correct	146 ms	16252 KB	Output is correct
38	Correct	127 ms	16256 KB	Output is correct
39	Correct	127 ms	16324 KB	Output is correct
40	Correct	128 ms	16256 KB	Output is correct
41	Correct	133 ms	16380 KB	Output is correct
42	Correct	177 ms	16256 KB	Output is correct
43	Correct	137 ms	16252 KB	Output is correct

Subtask #4

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	204 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	328 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	300 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	308 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	304 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	139 ms	16268 KB	Output is correct
31	Correct	164 ms	16252 KB	Output is correct
32	Correct	131 ms	16224 KB	Output is correct
33	Correct	129 ms	16380 KB	Output is correct
34	Correct	129 ms	16256 KB	Output is correct
35	Correct	135 ms	16240 KB	Output is correct
36	Correct	129 ms	16256 KB	Output is correct
37	Correct	146 ms	16252 KB	Output is correct
38	Correct	127 ms	16256 KB	Output is correct
39	Correct	127 ms	16324 KB	Output is correct
40	Correct	128 ms	16256 KB	Output is correct
41	Correct	133 ms	16380 KB	Output is correct
42	Correct	177 ms	16256 KB	Output is correct
43	Correct	137 ms	16252 KB	Output is correct
44	Incorrect	1 ms	204 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-