답안 #138862

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
138862	2019-07-30T14:43:30 Z	win11905	고대 책들 (IOI17_books)	C++11	100 / 100	234 ms	21568 KB

books

#include <bits/stdc++.h>
#include "books.h"
#define long long long 
using namespace std;
 
const int N = 1e6+5;
 
long ans = 0;
int n, x, y;
int id[N], L[N], R[N], ptr;
bool check[N];
 
void extend(int &l, int &r) {
	int ll = min(L[id[l]], L[id[r]]);
	int rr = max(R[id[l]], R[id[r]]);
	while(ll < l || r < rr) {
		if(ll < l) l--;
		else r++;
		ll = min(ll, min(L[id[l]], L[id[r]]));
		rr = max(rr, max(R[id[l]], R[id[r]]));
	}
}
 
long minimum_walk(vector<int> p, int s) {
	n = p.size();
	x = y = s;
	for(int i = 0; i < n; ++i) ans += abs(i - p[i]);
	for(int i = 0; i < n; ++i) if(!check[i]) {
		id[i] = ++ptr, check[i] = true;
		L[ptr] = R[ptr] = i;
		int u = i;
		while(p[u] != i) {
			id[u = p[u]] = ptr;
			check[u] = true;
			R[ptr] = max(R[ptr], u);
		}
		if(i != p[i]) x = min(x, L[ptr]), y = max(y, R[ptr]);
	}
	int l = s, r = s;
	while(x < l || r < y) {
		extend(l, r);
		int al = l, ar = r;
		int bl = l, br = r;
		long ca = 0, cb = 0;
		while(x < al && ar == r) ca += 2, extend(--al, ar);
		while(bl == l && br < y) cb += 2, extend(bl, ++br);
		if(ar != r && bl != l) ans += min(ca, cb);
		else ans += ca + cb;
		l = min(al, bl), r = max(ar, br);
	}
	return ans;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	380 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	380 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	380 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	234 ms	13008 KB	Output is correct
31	Correct	215 ms	13048 KB	Output is correct
32	Correct	145 ms	20844 KB	Output is correct
33	Correct	158 ms	18552 KB	Output is correct
34	Correct	167 ms	18512 KB	Output is correct
35	Correct	177 ms	17344 KB	Output is correct
36	Correct	157 ms	15044 KB	Output is correct
37	Correct	150 ms	13304 KB	Output is correct
38	Correct	155 ms	13176 KB	Output is correct
39	Correct	156 ms	13176 KB	Output is correct
40	Correct	167 ms	13152 KB	Output is correct
41	Correct	188 ms	13028 KB	Output is correct
42	Correct	184 ms	13048 KB	Output is correct
43	Correct	157 ms	18788 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	372 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct

Subtask #5
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	380 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	234 ms	13008 KB	Output is correct
31	Correct	215 ms	13048 KB	Output is correct
32	Correct	145 ms	20844 KB	Output is correct
33	Correct	158 ms	18552 KB	Output is correct
34	Correct	167 ms	18512 KB	Output is correct
35	Correct	177 ms	17344 KB	Output is correct
36	Correct	157 ms	15044 KB	Output is correct
37	Correct	150 ms	13304 KB	Output is correct
38	Correct	155 ms	13176 KB	Output is correct
39	Correct	156 ms	13176 KB	Output is correct
40	Correct	167 ms	13152 KB	Output is correct
41	Correct	188 ms	13028 KB	Output is correct
42	Correct	184 ms	13048 KB	Output is correct
43	Correct	157 ms	18788 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct
49	Correct	2 ms	376 KB	Output is correct
50	Correct	2 ms	376 KB	Output is correct
51	Correct	2 ms	372 KB	Output is correct
52	Correct	2 ms	376 KB	Output is correct
53	Correct	2 ms	376 KB	Output is correct
54	Correct	2 ms	376 KB	Output is correct
55	Correct	2 ms	376 KB	Output is correct
56	Correct	2 ms	376 KB	Output is correct
57	Correct	2 ms	376 KB	Output is correct
58	Correct	2 ms	376 KB	Output is correct
59	Correct	2 ms	376 KB	Output is correct
60	Correct	2 ms	376 KB	Output is correct
61	Correct	2 ms	376 KB	Output is correct
62	Correct	3 ms	376 KB	Output is correct
63	Correct	2 ms	376 KB	Output is correct
64	Correct	159 ms	19560 KB	Output is correct
65	Correct	157 ms	20156 KB	Output is correct
66	Correct	157 ms	14156 KB	Output is correct
67	Correct	159 ms	14056 KB	Output is correct
68	Correct	17 ms	2396 KB	Output is correct
69	Correct	17 ms	2296 KB	Output is correct
70	Correct	17 ms	2424 KB	Output is correct
71	Correct	18 ms	2680 KB	Output is correct
72	Correct	17 ms	2908 KB	Output is correct
73	Correct	18 ms	2172 KB	Output is correct
74	Correct	159 ms	19320 KB	Output is correct
75	Correct	160 ms	19320 KB	Output is correct
76	Correct	164 ms	19576 KB	Output is correct
77	Correct	166 ms	19576 KB	Output is correct
78	Correct	160 ms	18768 KB	Output is correct
79	Correct	159 ms	18792 KB	Output is correct
80	Correct	146 ms	21568 KB	Output is correct
81	Correct	162 ms	17784 KB	Output is correct
82	Correct	161 ms	17736 KB	Output is correct
83	Correct	166 ms	16760 KB	Output is correct
84	Correct	161 ms	16348 KB	Output is correct
85	Correct	156 ms	14952 KB	Output is correct
86	Correct	163 ms	14312 KB	Output is correct
87	Correct	173 ms	20348 KB	Output is correct
88	Correct	190 ms	19292 KB	Output is correct
89	Correct	171 ms	17232 KB	Output is correct
90	Correct	178 ms	13896 KB	Output is correct
91	Correct	214 ms	13788 KB	Output is correct
92	Correct	167 ms	13560 KB	Output is correct

답안 #138862

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 20.0 / 20.0

Subtask #5 30.0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
20.0 / 20.0

Subtask #5
30.0 / 30.0