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답안 #239273

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
239273 2020-06-15T05:55:37 Z alishahali1382 Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 90 ms 67960 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define upd(x, y) x=min(x, y);

const ld eps=1e-7;
const int inf=1000000010;
const ll INF=10000000000000010LL;
const int mod=1000000007;
const int N=205;

int n, m, k, u, v, x, y, t, a, b, ans;
int X[N], T[N], L;
int dp0[N][N][N];
int dp1[N][N][N];

int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	cin>>n>>L;
	for (int i=1; i<=n; i++) cin>>X[i];
	for (int i=1; i<=n; i++) cin>>T[i];
	X[n+1]=L;
	memset(dp0, 63, sizeof(dp0));
	memset(dp1, 63, sizeof(dp1));
	dp0[0][0][0]=0;
	for (int x=0; x<n; x++) for (int y=0; x+y<n; y++) for (int k=0; k<=x+y; k++){
		if (dp0[x][y][k]<inf){
			int t=dp0[x][y][k] + X[x+1]-X[x];
			upd(dp0[x+1][y][k+(T[x+1]>=t)], t);
			t=dp0[x][y][k] + X[x]+L-X[n-y];
			upd(dp1[x][y+1][k+(T[n-y]>=t)], t);
		}
		if (dp1[x][y][k]<inf){
//			cerr<<"upd "<<x<<' '<<y<<' '<<k<<endl;
			int t=dp1[x][y][k] + X[n-y+1]-X[n-y];
			upd(dp1[x][y+1][k+(T[n-y]>=t)], t);
			t=dp1[x][y][k] + L-X[n-y+1]+X[x+1];
//			debug(t)
			upd(dp0[x+1][y][k+(T[x+1]>=t)], t);
		}
	}
	for (int x=0; x<=n; x++) for (int y=0; x+y<=n; y++) for (int k=0; k<=x+y; k++)
		if (min(dp0[x][y][k], dp1[x][y][k])<inf) ans=max(ans, k);
	cout<<ans<<'\n';
	
//	debug(dp1[0][1][1])
//	debug(dp1[0][2][2])
//	debug(dp0[1][2][3])
	
	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 67832 KB Output is correct
2 Correct 39 ms 67704 KB Output is correct
3 Correct 38 ms 67840 KB Output is correct
4 Correct 38 ms 67704 KB Output is correct
5 Correct 40 ms 67960 KB Output is correct
6 Correct 39 ms 67728 KB Output is correct
7 Correct 40 ms 67704 KB Output is correct
8 Correct 39 ms 67704 KB Output is correct
9 Correct 39 ms 67832 KB Output is correct
10 Correct 39 ms 67704 KB Output is correct
11 Correct 39 ms 67704 KB Output is correct
12 Correct 39 ms 67704 KB Output is correct
13 Correct 38 ms 67704 KB Output is correct
14 Correct 41 ms 67704 KB Output is correct
15 Correct 39 ms 67756 KB Output is correct
16 Correct 39 ms 67704 KB Output is correct
17 Correct 39 ms 67704 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 67832 KB Output is correct
2 Correct 39 ms 67704 KB Output is correct
3 Correct 38 ms 67840 KB Output is correct
4 Correct 38 ms 67704 KB Output is correct
5 Correct 40 ms 67960 KB Output is correct
6 Correct 39 ms 67728 KB Output is correct
7 Correct 40 ms 67704 KB Output is correct
8 Correct 39 ms 67704 KB Output is correct
9 Correct 39 ms 67832 KB Output is correct
10 Correct 39 ms 67704 KB Output is correct
11 Correct 39 ms 67704 KB Output is correct
12 Correct 39 ms 67704 KB Output is correct
13 Correct 38 ms 67704 KB Output is correct
14 Correct 41 ms 67704 KB Output is correct
15 Correct 39 ms 67756 KB Output is correct
16 Correct 39 ms 67704 KB Output is correct
17 Correct 39 ms 67704 KB Output is correct
18 Correct 40 ms 67704 KB Output is correct
19 Correct 39 ms 67704 KB Output is correct
20 Correct 40 ms 67704 KB Output is correct
21 Correct 40 ms 67704 KB Output is correct
22 Correct 39 ms 67840 KB Output is correct
23 Correct 39 ms 67712 KB Output is correct
24 Correct 38 ms 67704 KB Output is correct
25 Correct 39 ms 67704 KB Output is correct
26 Correct 38 ms 67704 KB Output is correct
27 Correct 44 ms 67704 KB Output is correct
28 Correct 38 ms 67704 KB Output is correct
29 Correct 44 ms 67712 KB Output is correct
30 Correct 40 ms 67704 KB Output is correct
31 Correct 39 ms 67704 KB Output is correct
32 Correct 38 ms 67832 KB Output is correct
33 Correct 44 ms 67832 KB Output is correct
34 Correct 41 ms 67724 KB Output is correct
35 Correct 40 ms 67836 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 67832 KB Output is correct
2 Correct 39 ms 67704 KB Output is correct
3 Correct 38 ms 67840 KB Output is correct
4 Correct 38 ms 67704 KB Output is correct
5 Correct 40 ms 67960 KB Output is correct
6 Correct 39 ms 67728 KB Output is correct
7 Correct 40 ms 67704 KB Output is correct
8 Correct 39 ms 67704 KB Output is correct
9 Correct 39 ms 67832 KB Output is correct
10 Correct 39 ms 67704 KB Output is correct
11 Correct 39 ms 67704 KB Output is correct
12 Correct 39 ms 67704 KB Output is correct
13 Correct 38 ms 67704 KB Output is correct
14 Correct 41 ms 67704 KB Output is correct
15 Correct 39 ms 67756 KB Output is correct
16 Correct 39 ms 67704 KB Output is correct
17 Correct 39 ms 67704 KB Output is correct
18 Correct 70 ms 67704 KB Output is correct
19 Correct 55 ms 67704 KB Output is correct
20 Correct 45 ms 67704 KB Output is correct
21 Correct 59 ms 67832 KB Output is correct
22 Correct 61 ms 67836 KB Output is correct
23 Correct 46 ms 67832 KB Output is correct
24 Correct 41 ms 67712 KB Output is correct
25 Correct 45 ms 67832 KB Output is correct
26 Correct 40 ms 67832 KB Output is correct
27 Correct 45 ms 67840 KB Output is correct
28 Correct 41 ms 67704 KB Output is correct
29 Correct 44 ms 67704 KB Output is correct
30 Correct 42 ms 67712 KB Output is correct
31 Correct 44 ms 67704 KB Output is correct
32 Correct 40 ms 67708 KB Output is correct
33 Correct 53 ms 67832 KB Output is correct
34 Correct 40 ms 67712 KB Output is correct
35 Correct 42 ms 67836 KB Output is correct
36 Correct 41 ms 67704 KB Output is correct
37 Correct 42 ms 67704 KB Output is correct
38 Correct 40 ms 67712 KB Output is correct
39 Correct 42 ms 67960 KB Output is correct
40 Correct 40 ms 67704 KB Output is correct
41 Correct 90 ms 67960 KB Output is correct
42 Correct 45 ms 67712 KB Output is correct
43 Correct 84 ms 67704 KB Output is correct
44 Correct 45 ms 67704 KB Output is correct
45 Correct 85 ms 67704 KB Output is correct
46 Correct 45 ms 67832 KB Output is correct

Subtask #4
75.0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 67832 KB Output is correct
2 Correct 39 ms 67704 KB Output is correct
3 Correct 38 ms 67840 KB Output is correct
4 Correct 38 ms 67704 KB Output is correct
5 Correct 40 ms 67960 KB Output is correct
6 Correct 39 ms 67728 KB Output is correct
7 Correct 40 ms 67704 KB Output is correct
8 Correct 39 ms 67704 KB Output is correct
9 Correct 39 ms 67832 KB Output is correct
10 Correct 39 ms 67704 KB Output is correct
11 Correct 39 ms 67704 KB Output is correct
12 Correct 39 ms 67704 KB Output is correct
13 Correct 38 ms 67704 KB Output is correct
14 Correct 41 ms 67704 KB Output is correct
15 Correct 39 ms 67756 KB Output is correct
16 Correct 39 ms 67704 KB Output is correct
17 Correct 39 ms 67704 KB Output is correct
18 Correct 40 ms 67704 KB Output is correct
19 Correct 39 ms 67704 KB Output is correct
20 Correct 40 ms 67704 KB Output is correct
21 Correct 40 ms 67704 KB Output is correct
22 Correct 39 ms 67840 KB Output is correct
23 Correct 39 ms 67712 KB Output is correct
24 Correct 38 ms 67704 KB Output is correct
25 Correct 39 ms 67704 KB Output is correct
26 Correct 38 ms 67704 KB Output is correct
27 Correct 44 ms 67704 KB Output is correct
28 Correct 38 ms 67704 KB Output is correct
29 Correct 44 ms 67712 KB Output is correct
30 Correct 40 ms 67704 KB Output is correct
31 Correct 39 ms 67704 KB Output is correct
32 Correct 38 ms 67832 KB Output is correct
33 Correct 44 ms 67832 KB Output is correct
34 Correct 41 ms 67724 KB Output is correct
35 Correct 40 ms 67836 KB Output is correct
36 Correct 70 ms 67704 KB Output is correct
37 Correct 55 ms 67704 KB Output is correct
38 Correct 45 ms 67704 KB Output is correct
39 Correct 59 ms 67832 KB Output is correct
40 Correct 61 ms 67836 KB Output is correct
41 Correct 46 ms 67832 KB Output is correct
42 Correct 41 ms 67712 KB Output is correct
43 Correct 45 ms 67832 KB Output is correct
44 Correct 40 ms 67832 KB Output is correct
45 Correct 45 ms 67840 KB Output is correct
46 Correct 41 ms 67704 KB Output is correct
47 Correct 44 ms 67704 KB Output is correct
48 Correct 42 ms 67712 KB Output is correct
49 Correct 44 ms 67704 KB Output is correct
50 Correct 40 ms 67708 KB Output is correct
51 Correct 53 ms 67832 KB Output is correct
52 Correct 40 ms 67712 KB Output is correct
53 Correct 42 ms 67836 KB Output is correct
54 Correct 41 ms 67704 KB Output is correct
55 Correct 42 ms 67704 KB Output is correct
56 Correct 40 ms 67712 KB Output is correct
57 Correct 42 ms 67960 KB Output is correct
58 Correct 40 ms 67704 KB Output is correct
59 Correct 90 ms 67960 KB Output is correct
60 Correct 45 ms 67712 KB Output is correct
61 Correct 84 ms 67704 KB Output is correct
62 Correct 45 ms 67704 KB Output is correct
63 Correct 85 ms 67704 KB Output is correct
64 Correct 45 ms 67832 KB Output is correct
65 Correct 50 ms 67832 KB Output is correct
66 Correct 50 ms 67808 KB Output is correct
67 Correct 52 ms 67888 KB Output is correct
68 Correct 50 ms 67832 KB Output is correct
69 Correct 52 ms 67832 KB Output is correct
70 Correct 51 ms 67704 KB Output is correct
71 Correct 50 ms 67832 KB Output is correct
72 Correct 51 ms 67832 KB Output is correct
73 Correct 47 ms 67824 KB Output is correct
74 Correct 51 ms 67704 KB Output is correct
75 Correct 48 ms 67704 KB Output is correct
76 Correct 71 ms 67704 KB Output is correct
77 Correct 53 ms 67832 KB Output is correct
78 Correct 55 ms 67708 KB Output is correct
79 Correct 47 ms 67704 KB Output is correct
80 Correct 64 ms 67704 KB Output is correct
81 Correct 47 ms 67704 KB Output is correct
82 Correct 54 ms 67712 KB Output is correct
83 Correct 52 ms 67712 KB Output is correct
84 Correct 55 ms 67704 KB Output is correct
85 Correct 48 ms 67708 KB Output is correct
86 Correct 57 ms 67712 KB Output is correct
87 Correct 50 ms 67712 KB Output is correct
88 Correct 55 ms 67704 KB Output is correct
89 Correct 52 ms 67832 KB Output is correct
90 Correct 49 ms 67832 KB Output is correct
91 Correct 55 ms 67712 KB Output is correct
92 Correct 50 ms 67712 KB Output is correct
93 Correct 48 ms 67712 KB Output is correct