oj.uz

답안 #124259

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
124259 2019-07-02T22:26:24 Z tutis Mountains (IOI17_mountains) C++17
70 / 100
 1000 ms 223408 KB 
#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
struct BitSet
{
	unsigned long long A[32];
	BitSet()
	{
		fill_n(A, 32, 0ull);
	}
	bool operator<(const BitSet& o)const
	{
		for (int i = 0; i < 32; i++)
		{
			if (A[i] != o.A[i])
				return A[i] < o.A[i];
		}
		return false;
	}
	void set(int i)
	{
		for (int t = 0; t < 32; t++)
		{
			if (i < 64)
			{
				A[t] |= (1ull << i);
				return;
			}
			else
			{
				i -= 64;
			}
		}
	}
	void unset(int i)
	{
		for (int t = 0; t < 32; t++)
		{
			if (i < 64)
			{
				A[t] &= (~(1ull << i));
				return;
			}
			else
			{
				i -= 64;
			}
		}
	}
	void andas(BitSet &o)
	{
		for (int t = 0; t < 32; t++)
			A[t] &= o.A[t];
	}
	int First()
	{
		int ret = 0;
		for (int t = 0; t < 32; t++)
		{
			if (A[t] == 0)
			{
				ret += 64;
			}
			else
			{
				return ret + __builtin_ctzll(A[t]);
			}
		}
		return ret;
	}
};
BitSet ok[2000];
map<BitSet, int>M;
int dp(BitSet x)
{
	int i = x.First();
	if (i >= 2000)
		return 0;
	int &ans = M[x];
	if (ans != 0)
		return ans;
	x.unset(i);
	ans = dp(x);
	x.andas(ok[i]);
	ans = max(ans, 1 + dp(x));
	return ans;
}
int maximum_deevs(vector<int> y)
{
	BitSet deevs;
	for (ll i = 0; i < (ll)y.size(); i++)
	{
		ll k = i + 1;
		for (ll j = i + 1; j < (ll)y.size(); j++)
		{
			if ((y[j] - y[i]) * (k - i) >= (y[k] - y[i]) * (j - i))
				k = j;
			if (k != j)
				ok[i].set(j);
		}
		deevs.set(i);
	}
	return dp(deevs);
}/*
int main()
{
	cout << maximum_deevs({ 6, 1, 5, 2, 3, 1}) << endl;//3
	cout << maximum_deevs({ 0, 1, 2}) << endl;//1
}/**/

Compilation message

mountains.cpp:111:2: warning: "/*" within comment [-Wcomment]
 }/**/

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 888 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 2 ms 888 KB Output is correct
5 Correct 2 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 2 ms 888 KB Output is correct
9 Correct 2 ms 888 KB Output is correct
10 Correct 2 ms 888 KB Output is correct
11 Correct 2 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 760 KB Output is correct
14 Correct 2 ms 888 KB Output is correct
15 Correct 2 ms 888 KB Output is correct
16 Correct 2 ms 760 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 888 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 2 ms 888 KB Output is correct
5 Correct 2 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 2 ms 888 KB Output is correct
9 Correct 2 ms 888 KB Output is correct
10 Correct 2 ms 888 KB Output is correct
11 Correct 2 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 760 KB Output is correct
14 Correct 2 ms 888 KB Output is correct
15 Correct 2 ms 888 KB Output is correct
16 Correct 2 ms 760 KB Output is correct
17 Correct 2 ms 888 KB Output is correct
18 Correct 2 ms 888 KB Output is correct
19 Correct 2 ms 888 KB Output is correct
20 Correct 2 ms 892 KB Output is correct
21 Correct 2 ms 888 KB Output is correct
22 Correct 2 ms 888 KB Output is correct
23 Correct 2 ms 888 KB Output is correct
24 Correct 2 ms 888 KB Output is correct
25 Correct 2 ms 888 KB Output is correct
26 Correct 2 ms 888 KB Output is correct
27 Correct 2 ms 888 KB Output is correct
28 Correct 2 ms 888 KB Output is correct
29 Correct 2 ms 892 KB Output is correct
30 Correct 2 ms 1016 KB Output is correct
31 Correct 2 ms 888 KB Output is correct
32 Correct 2 ms 888 KB Output is correct
33 Correct 2 ms 888 KB Output is correct
34 Correct 2 ms 888 KB Output is correct
35 Correct 2 ms 888 KB Output is correct
36 Correct 2 ms 888 KB Output is correct
37 Correct 2 ms 888 KB Output is correct
38 Correct 2 ms 888 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 888 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 2 ms 888 KB Output is correct
5 Correct 2 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 2 ms 888 KB Output is correct
9 Correct 2 ms 888 KB Output is correct
10 Correct 2 ms 888 KB Output is correct
11 Correct 2 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 760 KB Output is correct
14 Correct 2 ms 888 KB Output is correct
15 Correct 2 ms 888 KB Output is correct
16 Correct 2 ms 760 KB Output is correct
17 Correct 2 ms 888 KB Output is correct
18 Correct 2 ms 888 KB Output is correct
19 Correct 2 ms 888 KB Output is correct
20 Correct 2 ms 892 KB Output is correct
21 Correct 2 ms 888 KB Output is correct
22 Correct 2 ms 888 KB Output is correct
23 Correct 2 ms 888 KB Output is correct
24 Correct 2 ms 888 KB Output is correct
25 Correct 2 ms 888 KB Output is correct
26 Correct 2 ms 888 KB Output is correct
27 Correct 2 ms 888 KB Output is correct
28 Correct 2 ms 888 KB Output is correct
29 Correct 2 ms 892 KB Output is correct
30 Correct 2 ms 1016 KB Output is correct
31 Correct 2 ms 888 KB Output is correct
32 Correct 2 ms 888 KB Output is correct
33 Correct 2 ms 888 KB Output is correct
34 Correct 2 ms 888 KB Output is correct
35 Correct 2 ms 888 KB Output is correct
36 Correct 2 ms 888 KB Output is correct
37 Correct 2 ms 888 KB Output is correct
38 Correct 2 ms 888 KB Output is correct
39 Correct 3 ms 1144 KB Output is correct
40 Correct 3 ms 1148 KB Output is correct
41 Correct 3 ms 1400 KB Output is correct
42 Correct 4 ms 1400 KB Output is correct
43 Correct 4 ms 1272 KB Output is correct
44 Correct 3 ms 1272 KB Output is correct
45 Correct 6 ms 1912 KB Output is correct
46 Correct 5 ms 1912 KB Output is correct
47 Correct 5 ms 1812 KB Output is correct
48 Correct 5 ms 2040 KB Output is correct
49 Correct 5 ms 1784 KB Output is correct
50 Correct 5 ms 1912 KB Output is correct
51 Correct 3 ms 1272 KB Output is correct
52 Correct 6 ms 2296 KB Output is correct
53 Correct 5 ms 2168 KB Output is correct
54 Correct 6 ms 2296 KB Output is correct
55 Correct 5 ms 2296 KB Output is correct
56 Correct 6 ms 2296 KB Output is correct
57 Correct 3 ms 1016 KB Output is correct
58 Correct 6 ms 2296 KB Output is correct
59 Correct 4 ms 1528 KB Output is correct
60 Correct 3 ms 1144 KB Output is correct
61 Correct 4 ms 1144 KB Output is correct

Subtask #4
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 888 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 2 ms 888 KB Output is correct
5 Correct 2 ms 888 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 2 ms 888 KB Output is correct
9 Correct 2 ms 888 KB Output is correct
10 Correct 2 ms 888 KB Output is correct
11 Correct 2 ms 888 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 2 ms 760 KB Output is correct
14 Correct 2 ms 888 KB Output is correct
15 Correct 2 ms 888 KB Output is correct
16 Correct 2 ms 760 KB Output is correct
17 Correct 2 ms 888 KB Output is correct
18 Correct 2 ms 888 KB Output is correct
19 Correct 2 ms 888 KB Output is correct
20 Correct 2 ms 892 KB Output is correct
21 Correct 2 ms 888 KB Output is correct
22 Correct 2 ms 888 KB Output is correct
23 Correct 2 ms 888 KB Output is correct
24 Correct 2 ms 888 KB Output is correct
25 Correct 2 ms 888 KB Output is correct
26 Correct 2 ms 888 KB Output is correct
27 Correct 2 ms 888 KB Output is correct
28 Correct 2 ms 888 KB Output is correct
29 Correct 2 ms 892 KB Output is correct
30 Correct 2 ms 1016 KB Output is correct
31 Correct 2 ms 888 KB Output is correct
32 Correct 2 ms 888 KB Output is correct
33 Correct 2 ms 888 KB Output is correct
34 Correct 2 ms 888 KB Output is correct
35 Correct 2 ms 888 KB Output is correct
36 Correct 2 ms 888 KB Output is correct
37 Correct 2 ms 888 KB Output is correct
38 Correct 2 ms 888 KB Output is correct
39 Correct 3 ms 1144 KB Output is correct
40 Correct 3 ms 1148 KB Output is correct
41 Correct 3 ms 1400 KB Output is correct
42 Correct 4 ms 1400 KB Output is correct
43 Correct 4 ms 1272 KB Output is correct
44 Correct 3 ms 1272 KB Output is correct
45 Correct 6 ms 1912 KB Output is correct
46 Correct 5 ms 1912 KB Output is correct
47 Correct 5 ms 1812 KB Output is correct
48 Correct 5 ms 2040 KB Output is correct
49 Correct 5 ms 1784 KB Output is correct
50 Correct 5 ms 1912 KB Output is correct
51 Correct 3 ms 1272 KB Output is correct
52 Correct 6 ms 2296 KB Output is correct
53 Correct 5 ms 2168 KB Output is correct
54 Correct 6 ms 2296 KB Output is correct
55 Correct 5 ms 2296 KB Output is correct
56 Correct 6 ms 2296 KB Output is correct
57 Correct 3 ms 1016 KB Output is correct
58 Correct 6 ms 2296 KB Output is correct
59 Correct 4 ms 1528 KB Output is correct
60 Correct 3 ms 1144 KB Output is correct
61 Correct 4 ms 1144 KB Output is correct
62 Correct 13 ms 3064 KB Output is correct
63 Correct 51 ms 6292 KB Output is correct
64 Correct 50 ms 4844 KB Output is correct
65 Correct 50 ms 5752 KB Output is correct
66 Correct 50 ms 5752 KB Output is correct
67 Correct 48 ms 5368 KB Output is correct
68 Correct 47 ms 5084 KB Output is correct
69 Correct 49 ms 5624 KB Output is correct
70 Correct 174 ms 36568 KB Output is correct
71 Correct 149 ms 30968 KB Output is correct
72 Correct 161 ms 32448 KB Output is correct
73 Correct 146 ms 30200 KB Output is correct
74 Correct 160 ms 32100 KB Output is correct
75 Correct 157 ms 32400 KB Output is correct
76 Correct 53 ms 6264 KB Output is correct
77 Correct 24 ms 4344 KB Output is correct
78 Correct 21 ms 3832 KB Output is correct
79 Correct 20 ms 3712 KB Output is correct
80 Correct 20 ms 3704 KB Output is correct
81 Correct 21 ms 3960 KB Output is correct
82 Correct 36 ms 2040 KB Output is correct
83 Correct 365 ms 86872 KB Output is correct
84 Execution timed out 1092 ms 223408 KB Time limit exceeded
85 Halted 0 ms 0 KB -