Submission #43103

# Submission time Handle Problem Language Result Execution time Memory
43103 2018-03-09T08:11:45 Z RayaBurong25_1 Ancient Books (IOI17_books) C++14
50 / 100
251 ms 27844 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 += 2*(it->first - it2->second.e);
		else if (ss == 0)
			Ans += 2*it->first;
		it2 = it;
	}
	return Ans;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 424 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 1 ms 520 KB Output is correct
7 Correct 1 ms 520 KB Output is correct
8 Correct 1 ms 560 KB Output is correct
9 Correct 1 ms 560 KB Output is correct
10 Correct 1 ms 560 KB Output is correct
11 Correct 1 ms 576 KB Output is correct
12 Correct 1 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 1 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 1 ms 592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 424 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 1 ms 520 KB Output is correct
7 Correct 1 ms 520 KB Output is correct
8 Correct 1 ms 560 KB Output is correct
9 Correct 1 ms 560 KB Output is correct
10 Correct 1 ms 560 KB Output is correct
11 Correct 1 ms 576 KB Output is correct
12 Correct 1 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 1 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 1 ms 592 KB Output is correct
19 Correct 1 ms 592 KB Output is correct
20 Correct 1 ms 592 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 736 KB Output is correct
24 Correct 1 ms 736 KB Output is correct
25 Correct 1 ms 736 KB Output is correct
26 Correct 1 ms 736 KB Output is correct
27 Correct 1 ms 736 KB Output is correct
28 Correct 2 ms 736 KB Output is correct
29 Correct 1 ms 736 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 424 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 1 ms 520 KB Output is correct
7 Correct 1 ms 520 KB Output is correct
8 Correct 1 ms 560 KB Output is correct
9 Correct 1 ms 560 KB Output is correct
10 Correct 1 ms 560 KB Output is correct
11 Correct 1 ms 576 KB Output is correct
12 Correct 1 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 1 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 1 ms 592 KB Output is correct
19 Correct 1 ms 592 KB Output is correct
20 Correct 1 ms 592 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 736 KB Output is correct
24 Correct 1 ms 736 KB Output is correct
25 Correct 1 ms 736 KB Output is correct
26 Correct 1 ms 736 KB Output is correct
27 Correct 1 ms 736 KB Output is correct
28 Correct 2 ms 736 KB Output is correct
29 Correct 1 ms 736 KB Output is correct
30 Correct 202 ms 12344 KB Output is correct
31 Correct 247 ms 12344 KB Output is correct
32 Correct 142 ms 12344 KB Output is correct
33 Correct 225 ms 24432 KB Output is correct
34 Correct 234 ms 24432 KB Output is correct
35 Correct 251 ms 25852 KB Output is correct
36 Correct 223 ms 25852 KB Output is correct
37 Correct 182 ms 25852 KB Output is correct
38 Correct 183 ms 25852 KB Output is correct
39 Correct 174 ms 25852 KB Output is correct
40 Correct 169 ms 25852 KB Output is correct
41 Correct 199 ms 25852 KB Output is correct
42 Correct 201 ms 25852 KB Output is correct
43 Correct 245 ms 27844 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 27844 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 424 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 1 ms 520 KB Output is correct
7 Correct 1 ms 520 KB Output is correct
8 Correct 1 ms 560 KB Output is correct
9 Correct 1 ms 560 KB Output is correct
10 Correct 1 ms 560 KB Output is correct
11 Correct 1 ms 576 KB Output is correct
12 Correct 1 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 1 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 1 ms 592 KB Output is correct
19 Correct 1 ms 592 KB Output is correct
20 Correct 1 ms 592 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 736 KB Output is correct
24 Correct 1 ms 736 KB Output is correct
25 Correct 1 ms 736 KB Output is correct
26 Correct 1 ms 736 KB Output is correct
27 Correct 1 ms 736 KB Output is correct
28 Correct 2 ms 736 KB Output is correct
29 Correct 1 ms 736 KB Output is correct
30 Correct 202 ms 12344 KB Output is correct
31 Correct 247 ms 12344 KB Output is correct
32 Correct 142 ms 12344 KB Output is correct
33 Correct 225 ms 24432 KB Output is correct
34 Correct 234 ms 24432 KB Output is correct
35 Correct 251 ms 25852 KB Output is correct
36 Correct 223 ms 25852 KB Output is correct
37 Correct 182 ms 25852 KB Output is correct
38 Correct 183 ms 25852 KB Output is correct
39 Correct 174 ms 25852 KB Output is correct
40 Correct 169 ms 25852 KB Output is correct
41 Correct 199 ms 25852 KB Output is correct
42 Correct 201 ms 25852 KB Output is correct
43 Correct 245 ms 27844 KB Output is correct
44 Incorrect 2 ms 27844 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -