답안 #698064

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
698064	2023-02-12T07:43:34 Z	myrcella	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	91 ms	86080 KB

ho_t3

//by szh
#include<bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
void MIN(int &a,int b) {
	if (a==-1) a = b;
	else a = min(a,b);
}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

const int maxn = 222;
int n,len;
int pos[maxn];
int dp[maxn][maxn][maxn][2];
int t[maxn];
int big;
int ans = 0;

int main() {
//	freopen("input.txt","r",stdin);	
	std::ios::sync_with_stdio(false);cin.tie(0);
	memset(dp,-1,sizeof(dp));
	dp[0][0][0][0] = dp[0][0][0][1] = 0;
	cin>>n>>len;
	pos[0] = 0,pos[n+1] = len;
	rep(i,1,n+1) cin>>pos[i];
	rep(i,1,n+1) cin>>t[i];
	rep(i,0,n+1)
		rep(j,0,n-i+1)
			rep(k,0,i+j+1) {
//				cout<<i<<" "<<j<<" "<<k<<" "<<dp[i][j][k][0]<<" "<<dp[i][j][k][1]<<endl;
				if (dp[i][j][k][0]!=-1) {
					ans = max(ans,k);
					int tn = min(mod,dp[i][j][k][0] + pos[i+1]-pos[i]);
//					debug(tn);
					MIN(dp[i+1][j][k+(tn<=t[i+1])][0],tn);
					tn = min(mod,dp[i][j][k][0] + pos[i] + len-pos[n-j]);
//					debug(tn);
					MIN(dp[i][j+1][k+(tn<=t[n-j])][1],tn);
				}
				if (dp[i][j][k][1]!=-1) {
					ans = max(ans,k);
					int tn = min(mod,dp[i][j][k][1] + pos[n-j+1] - pos[n-j]);
//					debug(tn);
					MIN(dp[i][j+1][k+(tn<=t[n-j])][1],tn);
					tn = min(mod,dp[i][j][k][1] + len-pos[n-j+1] + pos[i+1]);
//					debug(tn);
					MIN(dp[i+1][j][k+(tn<=t[i+1])][0],tn);
				}
			}
	cout<<ans;
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	85836 KB	Output is correct
2	Correct	32 ms	85860 KB	Output is correct
3	Correct	35 ms	85876 KB	Output is correct
4	Correct	37 ms	85836 KB	Output is correct
5	Correct	36 ms	85844 KB	Output is correct
6	Correct	34 ms	85836 KB	Output is correct
7	Correct	32 ms	85912 KB	Output is correct
8	Correct	32 ms	85912 KB	Output is correct
9	Correct	33 ms	85920 KB	Output is correct
10	Correct	34 ms	85912 KB	Output is correct
11	Correct	32 ms	85864 KB	Output is correct
12	Correct	33 ms	85828 KB	Output is correct
13	Correct	32 ms	85848 KB	Output is correct
14	Correct	32 ms	85836 KB	Output is correct
15	Correct	33 ms	85904 KB	Output is correct
16	Correct	34 ms	85844 KB	Output is correct
17	Correct	34 ms	85908 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	85836 KB	Output is correct
2	Correct	32 ms	85860 KB	Output is correct
3	Correct	35 ms	85876 KB	Output is correct
4	Correct	37 ms	85836 KB	Output is correct
5	Correct	36 ms	85844 KB	Output is correct
6	Correct	34 ms	85836 KB	Output is correct
7	Correct	32 ms	85912 KB	Output is correct
8	Correct	32 ms	85912 KB	Output is correct
9	Correct	33 ms	85920 KB	Output is correct
10	Correct	34 ms	85912 KB	Output is correct
11	Correct	32 ms	85864 KB	Output is correct
12	Correct	33 ms	85828 KB	Output is correct
13	Correct	32 ms	85848 KB	Output is correct
14	Correct	32 ms	85836 KB	Output is correct
15	Correct	33 ms	85904 KB	Output is correct
16	Correct	34 ms	85844 KB	Output is correct
17	Correct	34 ms	85908 KB	Output is correct
18	Correct	32 ms	85864 KB	Output is correct
19	Correct	37 ms	85860 KB	Output is correct
20	Correct	34 ms	85924 KB	Output is correct
21	Correct	34 ms	85852 KB	Output is correct
22	Correct	34 ms	85880 KB	Output is correct
23	Correct	34 ms	85844 KB	Output is correct
24	Correct	37 ms	85852 KB	Output is correct
25	Correct	33 ms	85836 KB	Output is correct
26	Correct	35 ms	85956 KB	Output is correct
27	Correct	36 ms	85968 KB	Output is correct
28	Correct	38 ms	85824 KB	Output is correct
29	Correct	33 ms	85900 KB	Output is correct
30	Correct	35 ms	85908 KB	Output is correct
31	Correct	32 ms	85908 KB	Output is correct
32	Correct	32 ms	85936 KB	Output is correct
33	Correct	34 ms	85936 KB	Output is correct
34	Correct	32 ms	85828 KB	Output is correct
35	Correct	38 ms	85944 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	85836 KB	Output is correct
2	Correct	32 ms	85860 KB	Output is correct
3	Correct	35 ms	85876 KB	Output is correct
4	Correct	37 ms	85836 KB	Output is correct
5	Correct	36 ms	85844 KB	Output is correct
6	Correct	34 ms	85836 KB	Output is correct
7	Correct	32 ms	85912 KB	Output is correct
8	Correct	32 ms	85912 KB	Output is correct
9	Correct	33 ms	85920 KB	Output is correct
10	Correct	34 ms	85912 KB	Output is correct
11	Correct	32 ms	85864 KB	Output is correct
12	Correct	33 ms	85828 KB	Output is correct
13	Correct	32 ms	85848 KB	Output is correct
14	Correct	32 ms	85836 KB	Output is correct
15	Correct	33 ms	85904 KB	Output is correct
16	Correct	34 ms	85844 KB	Output is correct
17	Correct	34 ms	85908 KB	Output is correct
18	Correct	62 ms	85844 KB	Output is correct
19	Correct	47 ms	85832 KB	Output is correct
20	Correct	35 ms	85836 KB	Output is correct
21	Correct	44 ms	85848 KB	Output is correct
22	Correct	52 ms	85940 KB	Output is correct
23	Correct	39 ms	85912 KB	Output is correct
24	Correct	33 ms	85872 KB	Output is correct
25	Correct	41 ms	85836 KB	Output is correct
26	Correct	40 ms	85900 KB	Output is correct
27	Correct	45 ms	85856 KB	Output is correct
28	Correct	34 ms	85876 KB	Output is correct
29	Correct	39 ms	85892 KB	Output is correct
30	Correct	39 ms	85924 KB	Output is correct
31	Correct	42 ms	85844 KB	Output is correct
32	Correct	34 ms	85872 KB	Output is correct
33	Correct	37 ms	85944 KB	Output is correct
34	Correct	33 ms	85844 KB	Output is correct
35	Correct	36 ms	85972 KB	Output is correct
36	Correct	35 ms	85944 KB	Output is correct
37	Correct	39 ms	85928 KB	Output is correct
38	Correct	32 ms	85880 KB	Output is correct
39	Correct	34 ms	85844 KB	Output is correct
40	Correct	34 ms	85856 KB	Output is correct
41	Correct	69 ms	85868 KB	Output is correct
42	Correct	36 ms	85836 KB	Output is correct
43	Correct	68 ms	85852 KB	Output is correct
44	Correct	34 ms	85828 KB	Output is correct
45	Correct	76 ms	85868 KB	Output is correct
46	Correct	41 ms	85836 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	85836 KB	Output is correct
2	Correct	32 ms	85860 KB	Output is correct
3	Correct	35 ms	85876 KB	Output is correct
4	Correct	37 ms	85836 KB	Output is correct
5	Correct	36 ms	85844 KB	Output is correct
6	Correct	34 ms	85836 KB	Output is correct
7	Correct	32 ms	85912 KB	Output is correct
8	Correct	32 ms	85912 KB	Output is correct
9	Correct	33 ms	85920 KB	Output is correct
10	Correct	34 ms	85912 KB	Output is correct
11	Correct	32 ms	85864 KB	Output is correct
12	Correct	33 ms	85828 KB	Output is correct
13	Correct	32 ms	85848 KB	Output is correct
14	Correct	32 ms	85836 KB	Output is correct
15	Correct	33 ms	85904 KB	Output is correct
16	Correct	34 ms	85844 KB	Output is correct
17	Correct	34 ms	85908 KB	Output is correct
18	Correct	32 ms	85864 KB	Output is correct
19	Correct	37 ms	85860 KB	Output is correct
20	Correct	34 ms	85924 KB	Output is correct
21	Correct	34 ms	85852 KB	Output is correct
22	Correct	34 ms	85880 KB	Output is correct
23	Correct	34 ms	85844 KB	Output is correct
24	Correct	37 ms	85852 KB	Output is correct
25	Correct	33 ms	85836 KB	Output is correct
26	Correct	35 ms	85956 KB	Output is correct
27	Correct	36 ms	85968 KB	Output is correct
28	Correct	38 ms	85824 KB	Output is correct
29	Correct	33 ms	85900 KB	Output is correct
30	Correct	35 ms	85908 KB	Output is correct
31	Correct	32 ms	85908 KB	Output is correct
32	Correct	32 ms	85936 KB	Output is correct
33	Correct	34 ms	85936 KB	Output is correct
34	Correct	32 ms	85828 KB	Output is correct
35	Correct	38 ms	85944 KB	Output is correct
36	Correct	62 ms	85844 KB	Output is correct
37	Correct	47 ms	85832 KB	Output is correct
38	Correct	35 ms	85836 KB	Output is correct
39	Correct	44 ms	85848 KB	Output is correct
40	Correct	52 ms	85940 KB	Output is correct
41	Correct	39 ms	85912 KB	Output is correct
42	Correct	33 ms	85872 KB	Output is correct
43	Correct	41 ms	85836 KB	Output is correct
44	Correct	40 ms	85900 KB	Output is correct
45	Correct	45 ms	85856 KB	Output is correct
46	Correct	34 ms	85876 KB	Output is correct
47	Correct	39 ms	85892 KB	Output is correct
48	Correct	39 ms	85924 KB	Output is correct
49	Correct	42 ms	85844 KB	Output is correct
50	Correct	34 ms	85872 KB	Output is correct
51	Correct	37 ms	85944 KB	Output is correct
52	Correct	33 ms	85844 KB	Output is correct
53	Correct	36 ms	85972 KB	Output is correct
54	Correct	35 ms	85944 KB	Output is correct
55	Correct	39 ms	85928 KB	Output is correct
56	Correct	32 ms	85880 KB	Output is correct
57	Correct	34 ms	85844 KB	Output is correct
58	Correct	34 ms	85856 KB	Output is correct
59	Correct	69 ms	85868 KB	Output is correct
60	Correct	36 ms	85836 KB	Output is correct
61	Correct	68 ms	85852 KB	Output is correct
62	Correct	34 ms	85828 KB	Output is correct
63	Correct	76 ms	85868 KB	Output is correct
64	Correct	41 ms	85836 KB	Output is correct
65	Correct	65 ms	85948 KB	Output is correct
66	Correct	62 ms	85836 KB	Output is correct
67	Correct	66 ms	85948 KB	Output is correct
68	Correct	56 ms	85928 KB	Output is correct
69	Correct	68 ms	85836 KB	Output is correct
70	Correct	73 ms	85960 KB	Output is correct
71	Correct	64 ms	85836 KB	Output is correct
72	Correct	77 ms	85836 KB	Output is correct
73	Correct	50 ms	85952 KB	Output is correct
74	Correct	63 ms	85952 KB	Output is correct
75	Correct	64 ms	85956 KB	Output is correct
76	Correct	65 ms	85984 KB	Output is correct
77	Correct	69 ms	85956 KB	Output is correct
78	Correct	63 ms	85884 KB	Output is correct
79	Correct	59 ms	85836 KB	Output is correct
80	Correct	74 ms	85960 KB	Output is correct
81	Correct	61 ms	85836 KB	Output is correct
82	Correct	54 ms	85968 KB	Output is correct
83	Correct	67 ms	85876 KB	Output is correct
84	Correct	52 ms	85840 KB	Output is correct
85	Correct	59 ms	85856 KB	Output is correct
86	Correct	54 ms	85844 KB	Output is correct
87	Correct	63 ms	85944 KB	Output is correct
88	Correct	91 ms	86080 KB	Output is correct
89	Correct	64 ms	85952 KB	Output is correct
90	Correct	44 ms	85836 KB	Output is correct
91	Correct	84 ms	85948 KB	Output is correct
92	Correct	73 ms	85956 KB	Output is correct
93	Correct	45 ms	85840 KB	Output is correct

답안 #698064

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 75.0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
75.0 / 75.0