답안 #43108

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
43108 2018-03-09T08:20:59 Z RayaBurong25_1 고대 책들 (IOI17_books) C++14
50 / 100
249 ms 27832 KB
#include "books.h"
#include <vector>
#include <map>
typedef struct range range;
struct range
{
	int e;
	long long m;
};
// bool operator<(range a, range b)
// {
// 	return a.s < b.s;
// }
int vis[1000005];
int abs(int a)
{
	return (a < 0)?-a:a;
}
int min(int a, int b)
{
	return (a < b)?a:b;
}
int max(int a, int b)
{
	return (a > b)?a:b;
}
long long minimum_walk(std::vector<int> p, int ss) {
	std::map<int, range> R;
	int i, n = p.size();
	int s, e;
	long long m;
	for (i = 0; i < n; i++)
	{
		if (!vis[i])
		{
			s = i;
			e = i;
			m = 0;
			while (!vis[i])
			{
				vis[i] = 1;
				m += abs(p[i] - i);
				i = p[i];
				s = min(s, i);
				e = max(e, i);
			}
			// printf("%d %d %lld\n", s, e, m);
			if (m != 0)
				R.insert(std::make_pair(s, range{e, m}));
		}
	}
	std::map<int, range>::iterator it, it2;
	for (it = R.begin(); it != R.end();)
	{
		if (it != R.begin() && it->second.e < it2->second.e)
		{
			it2->second.m += it->second.m;
			it = R.erase(it);
		}
		else if (it != R.begin() && it2->second.e > it->first)
		{
			it2->second.m += it->second.m;
			it2->second.e = it->second.e;
			it = R.erase(it);
		}
		else
		{
			it2 = it;
			it++;
		}
	}
	long long Ans = 0;
	for (it = R.begin(); it != R.end(); it++)
	{
		// printf("%d %d %lld\n", it->first, it->second.e, it->second.m);
		Ans += it->second.m;
		if (it != R.begin())
			Ans += 2LL*(it->first - it2->second.e);
		else if (ss < it->first)
			Ans += 2LL*(it->first - ss);
		it2 = it;
	}
	if (R.size() > 0 && ss > it2->second.e)
		Ans += 2LL*(ss - it2->second.e);
	return Ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 1 ms 568 KB Output is correct
6 Correct 1 ms 568 KB Output is correct
7 Correct 1 ms 568 KB Output is correct
8 Correct 1 ms 568 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 1 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 1 ms 592 KB Output is correct
14 Correct 1 ms 592 KB Output is correct
15 Correct 2 ms 592 KB Output is correct
16 Correct 1 ms 592 KB Output is correct
17 Correct 1 ms 592 KB Output is correct
18 Correct 2 ms 592 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 1 ms 568 KB Output is correct
6 Correct 1 ms 568 KB Output is correct
7 Correct 1 ms 568 KB Output is correct
8 Correct 1 ms 568 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 1 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 1 ms 592 KB Output is correct
14 Correct 1 ms 592 KB Output is correct
15 Correct 2 ms 592 KB Output is correct
16 Correct 1 ms 592 KB Output is correct
17 Correct 1 ms 592 KB Output is correct
18 Correct 2 ms 592 KB Output is correct
19 Correct 1 ms 620 KB Output is correct
20 Correct 1 ms 620 KB Output is correct
21 Correct 1 ms 620 KB Output is correct
22 Correct 1 ms 620 KB Output is correct
23 Correct 1 ms 620 KB Output is correct
24 Correct 1 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 1 ms 620 KB Output is correct
29 Correct 1 ms 620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 1 ms 568 KB Output is correct
6 Correct 1 ms 568 KB Output is correct
7 Correct 1 ms 568 KB Output is correct
8 Correct 1 ms 568 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 1 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 1 ms 592 KB Output is correct
14 Correct 1 ms 592 KB Output is correct
15 Correct 2 ms 592 KB Output is correct
16 Correct 1 ms 592 KB Output is correct
17 Correct 1 ms 592 KB Output is correct
18 Correct 2 ms 592 KB Output is correct
19 Correct 1 ms 620 KB Output is correct
20 Correct 1 ms 620 KB Output is correct
21 Correct 1 ms 620 KB Output is correct
22 Correct 1 ms 620 KB Output is correct
23 Correct 1 ms 620 KB Output is correct
24 Correct 1 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 1 ms 620 KB Output is correct
29 Correct 1 ms 620 KB Output is correct
30 Correct 248 ms 12336 KB Output is correct
31 Correct 234 ms 12344 KB Output is correct
32 Correct 174 ms 12344 KB Output is correct
33 Correct 232 ms 24300 KB Output is correct
34 Correct 249 ms 24368 KB Output is correct
35 Correct 231 ms 25836 KB Output is correct
36 Correct 208 ms 25836 KB Output is correct
37 Correct 153 ms 25836 KB Output is correct
38 Correct 147 ms 25836 KB Output is correct
39 Correct 165 ms 25836 KB Output is correct
40 Correct 160 ms 25836 KB Output is correct
41 Correct 200 ms 25836 KB Output is correct
42 Correct 199 ms 25836 KB Output is correct
43 Correct 233 ms 27832 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 27832 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 1 ms 568 KB Output is correct
6 Correct 1 ms 568 KB Output is correct
7 Correct 1 ms 568 KB Output is correct
8 Correct 1 ms 568 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 1 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 1 ms 592 KB Output is correct
14 Correct 1 ms 592 KB Output is correct
15 Correct 2 ms 592 KB Output is correct
16 Correct 1 ms 592 KB Output is correct
17 Correct 1 ms 592 KB Output is correct
18 Correct 2 ms 592 KB Output is correct
19 Correct 1 ms 620 KB Output is correct
20 Correct 1 ms 620 KB Output is correct
21 Correct 1 ms 620 KB Output is correct
22 Correct 1 ms 620 KB Output is correct
23 Correct 1 ms 620 KB Output is correct
24 Correct 1 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 1 ms 620 KB Output is correct
29 Correct 1 ms 620 KB Output is correct
30 Correct 248 ms 12336 KB Output is correct
31 Correct 234 ms 12344 KB Output is correct
32 Correct 174 ms 12344 KB Output is correct
33 Correct 232 ms 24300 KB Output is correct
34 Correct 249 ms 24368 KB Output is correct
35 Correct 231 ms 25836 KB Output is correct
36 Correct 208 ms 25836 KB Output is correct
37 Correct 153 ms 25836 KB Output is correct
38 Correct 147 ms 25836 KB Output is correct
39 Correct 165 ms 25836 KB Output is correct
40 Correct 160 ms 25836 KB Output is correct
41 Correct 200 ms 25836 KB Output is correct
42 Correct 199 ms 25836 KB Output is correct
43 Correct 233 ms 27832 KB Output is correct
44 Incorrect 2 ms 27832 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -