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답안 #274138

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
274138 2020-08-19T08:43:48 Z anubhavdhar Mountains (IOI17_mountains) C++14
100 / 100
 55 ms 16512 KB 
#include<bits/stdc++.h>

#include "mountains.h"

#define ll long long
#define pb push_back
#define mp make_pair
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first 
#define ss second
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define vll vector<pll>
#define FOR(i,N) for(i=0;i<(N);++i)
#define FORe(i,N) for(i=1;i<=(N);++i)
#define FORr(i,a,b) for(i=(a);i<(b);++i)
#define FORrev(i,N) for(i=(N);i>=0;--i)
#define F0R(i,N) for(int i=0;i<(N);++i)
#define F0Re(i,N) for(int i=1;i<=(N);++i)
#define F0Rr(i,a,b) for(ll i=(a);i<(b);++i)
#define F0Rrev(i,N) for(int i=(N);i>=0;--i)
#define all(v) (v).begin(),(v).end()
#define dbgLine cerr<<" LINE : "<<__LINE__<<"\n"
#define ldd long double

using namespace std;

/*
const int Alp = 26;
const int __PRECISION = 9;
const int inf = 1e9 + 8;

const ldd PI = acos(-1);
const ldd EPS = 1e-7;

const ll MOD = 1e9 + 7;
const ll MAXN = 2e5 + 5;
const ll ROOTN = 320;
const ll LOGN = 18;
const ll INF = 1e18 + 1022;
*/

bool cross(pll a, pll b, pll c)	{return 1LL*(a.ff - b.ff)*(b.ss - c.ss) >= 1LL*(a.ss - b.ss)*(b.ff - c.ff);}

int maximum_deevs(vector<int> y)
{
	int ls, i, j, res, n = y.size();
	vector<vi> dp(2020, vi(2020));
	FOR(i, n)
	{
		dp[i][i] = dp[i][i+1] = 1;
		ls = i-1;
		res = 0;
		FORrev(j, i-2)
		{
			if(cross(mp(j,y[j]), mp(ls,y[ls]), mp(i, y[i])))
			{
				res += dp[j+1][ls-1];
				ls = j;
			}
			dp[j][i] = max(dp[j][i-1], 1 + res + dp[j][ls - 1]);
		}
	}
	return dp[0][n-1];
}
/*
signed main()
{

	
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	
	cout<<cross(mp(1,4), mp(2,2), mp(3,1))<<'\n';

	int test_case_number;
	cin>>test_case_number;
	vi y; int j;
	while(test_case_number--)
		cin>>j, y.pb(j);
	cout<<maximum_deevs(y)<<'\n';
	
	return 0;
}*/

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 16384 KB Output is correct
2 Correct 10 ms 16384 KB Output is correct
3 Correct 13 ms 16372 KB Output is correct
4 Correct 11 ms 16384 KB Output is correct
5 Correct 14 ms 16384 KB Output is correct
6 Correct 11 ms 16384 KB Output is correct
7 Correct 10 ms 16384 KB Output is correct
8 Correct 10 ms 16384 KB Output is correct
9 Correct 10 ms 16384 KB Output is correct
10 Correct 13 ms 16384 KB Output is correct
11 Correct 11 ms 16360 KB Output is correct
12 Correct 10 ms 16384 KB Output is correct
13 Correct 11 ms 16384 KB Output is correct
14 Correct 11 ms 16384 KB Output is correct
15 Correct 11 ms 16384 KB Output is correct
16 Correct 10 ms 16384 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 16384 KB Output is correct
2 Correct 10 ms 16384 KB Output is correct
3 Correct 13 ms 16372 KB Output is correct
4 Correct 11 ms 16384 KB Output is correct
5 Correct 14 ms 16384 KB Output is correct
6 Correct 11 ms 16384 KB Output is correct
7 Correct 10 ms 16384 KB Output is correct
8 Correct 10 ms 16384 KB Output is correct
9 Correct 10 ms 16384 KB Output is correct
10 Correct 13 ms 16384 KB Output is correct
11 Correct 11 ms 16360 KB Output is correct
12 Correct 10 ms 16384 KB Output is correct
13 Correct 11 ms 16384 KB Output is correct
14 Correct 11 ms 16384 KB Output is correct
15 Correct 11 ms 16384 KB Output is correct
16 Correct 10 ms 16384 KB Output is correct
17 Correct 11 ms 16384 KB Output is correct
18 Correct 10 ms 16384 KB Output is correct
19 Correct 12 ms 16332 KB Output is correct
20 Correct 11 ms 16384 KB Output is correct
21 Correct 10 ms 16384 KB Output is correct
22 Correct 12 ms 16384 KB Output is correct
23 Correct 15 ms 16384 KB Output is correct
24 Correct 10 ms 16384 KB Output is correct
25 Correct 12 ms 16384 KB Output is correct
26 Correct 13 ms 16384 KB Output is correct
27 Correct 11 ms 16384 KB Output is correct
28 Correct 11 ms 16384 KB Output is correct
29 Correct 11 ms 16384 KB Output is correct
30 Correct 13 ms 16384 KB Output is correct
31 Correct 10 ms 16384 KB Output is correct
32 Correct 12 ms 16384 KB Output is correct
33 Correct 13 ms 16384 KB Output is correct
34 Correct 14 ms 16384 KB Output is correct
35 Correct 11 ms 16384 KB Output is correct
36 Correct 10 ms 16384 KB Output is correct
37 Correct 10 ms 16384 KB Output is correct
38 Correct 12 ms 16384 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 16384 KB Output is correct
2 Correct 10 ms 16384 KB Output is correct
3 Correct 13 ms 16372 KB Output is correct
4 Correct 11 ms 16384 KB Output is correct
5 Correct 14 ms 16384 KB Output is correct
6 Correct 11 ms 16384 KB Output is correct
7 Correct 10 ms 16384 KB Output is correct
8 Correct 10 ms 16384 KB Output is correct
9 Correct 10 ms 16384 KB Output is correct
10 Correct 13 ms 16384 KB Output is correct
11 Correct 11 ms 16360 KB Output is correct
12 Correct 10 ms 16384 KB Output is correct
13 Correct 11 ms 16384 KB Output is correct
14 Correct 11 ms 16384 KB Output is correct
15 Correct 11 ms 16384 KB Output is correct
16 Correct 10 ms 16384 KB Output is correct
17 Correct 11 ms 16384 KB Output is correct
18 Correct 10 ms 16384 KB Output is correct
19 Correct 12 ms 16332 KB Output is correct
20 Correct 11 ms 16384 KB Output is correct
21 Correct 10 ms 16384 KB Output is correct
22 Correct 12 ms 16384 KB Output is correct
23 Correct 15 ms 16384 KB Output is correct
24 Correct 10 ms 16384 KB Output is correct
25 Correct 12 ms 16384 KB Output is correct
26 Correct 13 ms 16384 KB Output is correct
27 Correct 11 ms 16384 KB Output is correct
28 Correct 11 ms 16384 KB Output is correct
29 Correct 11 ms 16384 KB Output is correct
30 Correct 13 ms 16384 KB Output is correct
31 Correct 10 ms 16384 KB Output is correct
32 Correct 12 ms 16384 KB Output is correct
33 Correct 13 ms 16384 KB Output is correct
34 Correct 14 ms 16384 KB Output is correct
35 Correct 11 ms 16384 KB Output is correct
36 Correct 10 ms 16384 KB Output is correct
37 Correct 10 ms 16384 KB Output is correct
38 Correct 12 ms 16384 KB Output is correct
39 Correct 13 ms 16384 KB Output is correct
40 Correct 13 ms 16384 KB Output is correct
41 Correct 11 ms 16512 KB Output is correct
42 Correct 13 ms 16384 KB Output is correct
43 Correct 13 ms 16384 KB Output is correct
44 Correct 14 ms 16352 KB Output is correct
45 Correct 12 ms 16384 KB Output is correct
46 Correct 13 ms 16384 KB Output is correct
47 Correct 14 ms 16432 KB Output is correct
48 Correct 15 ms 16384 KB Output is correct
49 Correct 13 ms 16384 KB Output is correct
50 Correct 13 ms 16384 KB Output is correct
51 Correct 13 ms 16360 KB Output is correct
52 Correct 16 ms 16384 KB Output is correct
53 Correct 15 ms 16384 KB Output is correct
54 Correct 14 ms 16384 KB Output is correct
55 Correct 13 ms 16384 KB Output is correct
56 Correct 11 ms 16384 KB Output is correct
57 Correct 11 ms 16384 KB Output is correct
58 Correct 13 ms 16416 KB Output is correct
59 Correct 10 ms 16416 KB Output is correct
60 Correct 11 ms 16384 KB Output is correct
61 Correct 10 ms 16384 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 16384 KB Output is correct
2 Correct 10 ms 16384 KB Output is correct
3 Correct 13 ms 16372 KB Output is correct
4 Correct 11 ms 16384 KB Output is correct
5 Correct 14 ms 16384 KB Output is correct
6 Correct 11 ms 16384 KB Output is correct
7 Correct 10 ms 16384 KB Output is correct
8 Correct 10 ms 16384 KB Output is correct
9 Correct 10 ms 16384 KB Output is correct
10 Correct 13 ms 16384 KB Output is correct
11 Correct 11 ms 16360 KB Output is correct
12 Correct 10 ms 16384 KB Output is correct
13 Correct 11 ms 16384 KB Output is correct
14 Correct 11 ms 16384 KB Output is correct
15 Correct 11 ms 16384 KB Output is correct
16 Correct 10 ms 16384 KB Output is correct
17 Correct 11 ms 16384 KB Output is correct
18 Correct 10 ms 16384 KB Output is correct
19 Correct 12 ms 16332 KB Output is correct
20 Correct 11 ms 16384 KB Output is correct
21 Correct 10 ms 16384 KB Output is correct
22 Correct 12 ms 16384 KB Output is correct
23 Correct 15 ms 16384 KB Output is correct
24 Correct 10 ms 16384 KB Output is correct
25 Correct 12 ms 16384 KB Output is correct
26 Correct 13 ms 16384 KB Output is correct
27 Correct 11 ms 16384 KB Output is correct
28 Correct 11 ms 16384 KB Output is correct
29 Correct 11 ms 16384 KB Output is correct
30 Correct 13 ms 16384 KB Output is correct
31 Correct 10 ms 16384 KB Output is correct
32 Correct 12 ms 16384 KB Output is correct
33 Correct 13 ms 16384 KB Output is correct
34 Correct 14 ms 16384 KB Output is correct
35 Correct 11 ms 16384 KB Output is correct
36 Correct 10 ms 16384 KB Output is correct
37 Correct 10 ms 16384 KB Output is correct
38 Correct 12 ms 16384 KB Output is correct
39 Correct 13 ms 16384 KB Output is correct
40 Correct 13 ms 16384 KB Output is correct
41 Correct 11 ms 16512 KB Output is correct
42 Correct 13 ms 16384 KB Output is correct
43 Correct 13 ms 16384 KB Output is correct
44 Correct 14 ms 16352 KB Output is correct
45 Correct 12 ms 16384 KB Output is correct
46 Correct 13 ms 16384 KB Output is correct
47 Correct 14 ms 16432 KB Output is correct
48 Correct 15 ms 16384 KB Output is correct
49 Correct 13 ms 16384 KB Output is correct
50 Correct 13 ms 16384 KB Output is correct
51 Correct 13 ms 16360 KB Output is correct
52 Correct 16 ms 16384 KB Output is correct
53 Correct 15 ms 16384 KB Output is correct
54 Correct 14 ms 16384 KB Output is correct
55 Correct 13 ms 16384 KB Output is correct
56 Correct 11 ms 16384 KB Output is correct
57 Correct 11 ms 16384 KB Output is correct
58 Correct 13 ms 16416 KB Output is correct
59 Correct 10 ms 16416 KB Output is correct
60 Correct 11 ms 16384 KB Output is correct
61 Correct 10 ms 16384 KB Output is correct
62 Correct 13 ms 16384 KB Output is correct
63 Correct 31 ms 16456 KB Output is correct
64 Correct 33 ms 16384 KB Output is correct
65 Correct 36 ms 16384 KB Output is correct
66 Correct 33 ms 16404 KB Output is correct
67 Correct 29 ms 16384 KB Output is correct
68 Correct 35 ms 16384 KB Output is correct
69 Correct 34 ms 16416 KB Output is correct
70 Correct 35 ms 16436 KB Output is correct
71 Correct 42 ms 16376 KB Output is correct
72 Correct 39 ms 16384 KB Output is correct
73 Correct 36 ms 16384 KB Output is correct
74 Correct 43 ms 16384 KB Output is correct
75 Correct 46 ms 16364 KB Output is correct
76 Correct 44 ms 16440 KB Output is correct
77 Correct 43 ms 16384 KB Output is correct
78 Correct 54 ms 16376 KB Output is correct
79 Correct 52 ms 16384 KB Output is correct
80 Correct 55 ms 16416 KB Output is correct
81 Correct 47 ms 16384 KB Output is correct
82 Correct 40 ms 16384 KB Output is correct
83 Correct 39 ms 16384 KB Output is correct
84 Correct 38 ms 16384 KB Output is correct
85 Correct 42 ms 16384 KB Output is correct
86 Correct 35 ms 16424 KB Output is correct