답안 #41001 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
41001	2018-02-11T08:59:44 Z	alenam0161	고대 책들 (IOI17_books)	C++14	50 / 100	232 ms	111888 KB

books

#include "books.h"
#include <vector>
#include <algorithm>

using namespace std;
const int N = 1e6 + 7;
int group[N];
int mx[N];
bool used[N];
long long minimum_walk(std::vector<int> p, int s) {
	long long ans = 0;
	for (int i = 0; i < p.size(); ++i) {
		int to = i;
		if (used[to])continue;
		while (true) {
			group[to] = i;
			mx[i] = max(mx[i], to);
			ans += abs(p[to] - to);
			used[to] = true;
			if (used[p[to]])break;
			to = p[to];
		}
	}
	int Mx = 0;
	for (int i = 0; i < p.size(); ++i) {
		if (Mx == -1) { ans += 2; Mx = mx[i]; }
		else {
			Mx = max(Mx, mx[i]);
		}
		if (Mx == i)Mx = -1;
	}
	for (int i = p.size() - 1; i > 0; i--) { if (p[i] != i)break; ans -= 2; }

	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < p.size(); ++i) {
                    ^
books.cpp:25:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < p.size(); ++i) {
                    ^

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	592 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	1 ms	780 KB	Output is correct
8	Correct	2 ms	780 KB	Output is correct
9	Correct	1 ms	780 KB	Output is correct
10	Correct	1 ms	780 KB	Output is correct
11	Correct	1 ms	824 KB	Output is correct
12	Correct	2 ms	824 KB	Output is correct
13	Correct	1 ms	824 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	896 KB	Output is correct
17	Correct	2 ms	896 KB	Output is correct
18	Correct	2 ms	896 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	592 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	1 ms	780 KB	Output is correct
8	Correct	2 ms	780 KB	Output is correct
9	Correct	1 ms	780 KB	Output is correct
10	Correct	1 ms	780 KB	Output is correct
11	Correct	1 ms	824 KB	Output is correct
12	Correct	2 ms	824 KB	Output is correct
13	Correct	1 ms	824 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	896 KB	Output is correct
17	Correct	2 ms	896 KB	Output is correct
18	Correct	2 ms	896 KB	Output is correct
19	Correct	2 ms	896 KB	Output is correct
20	Correct	2 ms	920 KB	Output is correct
21	Correct	1 ms	920 KB	Output is correct
22	Correct	1 ms	920 KB	Output is correct
23	Correct	2 ms	920 KB	Output is correct
24	Correct	1 ms	920 KB	Output is correct
25	Correct	2 ms	920 KB	Output is correct
26	Correct	1 ms	920 KB	Output is correct
27	Correct	2 ms	920 KB	Output is correct
28	Correct	2 ms	924 KB	Output is correct
29	Correct	1 ms	924 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	592 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	1 ms	780 KB	Output is correct
8	Correct	2 ms	780 KB	Output is correct
9	Correct	1 ms	780 KB	Output is correct
10	Correct	1 ms	780 KB	Output is correct
11	Correct	1 ms	824 KB	Output is correct
12	Correct	2 ms	824 KB	Output is correct
13	Correct	1 ms	824 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	896 KB	Output is correct
17	Correct	2 ms	896 KB	Output is correct
18	Correct	2 ms	896 KB	Output is correct
19	Correct	2 ms	896 KB	Output is correct
20	Correct	2 ms	920 KB	Output is correct
21	Correct	1 ms	920 KB	Output is correct
22	Correct	1 ms	920 KB	Output is correct
23	Correct	2 ms	920 KB	Output is correct
24	Correct	1 ms	920 KB	Output is correct
25	Correct	2 ms	920 KB	Output is correct
26	Correct	1 ms	920 KB	Output is correct
27	Correct	2 ms	920 KB	Output is correct
28	Correct	2 ms	924 KB	Output is correct
29	Correct	1 ms	924 KB	Output is correct
30	Correct	203 ms	20308 KB	Output is correct
31	Correct	232 ms	27068 KB	Output is correct
32	Correct	149 ms	37796 KB	Output is correct
33	Correct	151 ms	44524 KB	Output is correct
34	Correct	147 ms	51320 KB	Output is correct
35	Correct	152 ms	57884 KB	Output is correct
36	Correct	159 ms	64676 KB	Output is correct
37	Correct	152 ms	71428 KB	Output is correct
38	Correct	159 ms	77604 KB	Output is correct
39	Correct	152 ms	84092 KB	Output is correct
40	Correct	165 ms	88712 KB	Output is correct
41	Correct	213 ms	94576 KB	Output is correct
42	Correct	184 ms	101524 KB	Output is correct
43	Correct	194 ms	111888 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	111888 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	2 ms	248 KB	Output is correct
2	Correct	2 ms	356 KB	Output is correct
3	Correct	2 ms	592 KB	Output is correct
4	Correct	2 ms	592 KB	Output is correct
5	Correct	2 ms	632 KB	Output is correct
6	Correct	2 ms	632 KB	Output is correct
7	Correct	1 ms	780 KB	Output is correct
8	Correct	2 ms	780 KB	Output is correct
9	Correct	1 ms	780 KB	Output is correct
10	Correct	1 ms	780 KB	Output is correct
11	Correct	1 ms	824 KB	Output is correct
12	Correct	2 ms	824 KB	Output is correct
13	Correct	1 ms	824 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	896 KB	Output is correct
17	Correct	2 ms	896 KB	Output is correct
18	Correct	2 ms	896 KB	Output is correct
19	Correct	2 ms	896 KB	Output is correct
20	Correct	2 ms	920 KB	Output is correct
21	Correct	1 ms	920 KB	Output is correct
22	Correct	1 ms	920 KB	Output is correct
23	Correct	2 ms	920 KB	Output is correct
24	Correct	1 ms	920 KB	Output is correct
25	Correct	2 ms	920 KB	Output is correct
26	Correct	1 ms	920 KB	Output is correct
27	Correct	2 ms	920 KB	Output is correct
28	Correct	2 ms	924 KB	Output is correct
29	Correct	1 ms	924 KB	Output is correct
30	Correct	203 ms	20308 KB	Output is correct
31	Correct	232 ms	27068 KB	Output is correct
32	Correct	149 ms	37796 KB	Output is correct
33	Correct	151 ms	44524 KB	Output is correct
34	Correct	147 ms	51320 KB	Output is correct
35	Correct	152 ms	57884 KB	Output is correct
36	Correct	159 ms	64676 KB	Output is correct
37	Correct	152 ms	71428 KB	Output is correct
38	Correct	159 ms	77604 KB	Output is correct
39	Correct	152 ms	84092 KB	Output is correct
40	Correct	165 ms	88712 KB	Output is correct
41	Correct	213 ms	94576 KB	Output is correct
42	Correct	184 ms	101524 KB	Output is correct
43	Correct	194 ms	111888 KB	Output is correct
44	Incorrect	1 ms	111888 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #41001

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