답안 #698614

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
698614	2023-02-14T05:13:53 Z	Baytoro	Collecting Stamps 3 (JOI20_ho_t3)	C++17	25 / 100	2000 ms	218004 KB

ho_t3

#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define endl '\n'
#define int long long
#define ll long long
void fopn(string name){
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
const ll INF=1e18,mod=1e9+7;
const int N=205;
map<int,int> dp[N][N];
int x[N],t[N];
int n,L,s;
int f(int l, int r){
	if(l>r) swap(l,r);
	return min(r-l,L-r+l);
}
int rec(int i, int j, int time){
	if(abs(i-j)==1) return 0;
	if(dp[i][j].count(time)) return dp[i][j][time];
	int c=i,l=min(i,j),r=max(i,j);
	int ans=rec(l+1,r,min(s,f(x[c],x[l+1])+time))+(f(x[c],x[l+1])+time<=t[l+1]);
	ans=max(ans,rec(r-1,l,min(s,f(x[c],x[r-1])+time))+(f(x[c],x[r-1])+time<=t[r-1]));
	dp[i][j][time]=ans;
	return ans;
}
void solve(){
	cin>>n>>L;
	for(int i=1;i<=n;i++)
		cin>>x[i];
	for(int i=1;i<=n;i++){
		cin>>t[i];
		s=max(s,t[i]+1);
	}
	cout<<rec(0,n+1,0);
}
main(){
	ios;
	int T=1;
	//cin>>T;
	while(T--){
		solve();
	}
}

Compilation message

ho_t3.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main(){
      | ^~~~
ho_t3.cpp: In function 'void fopn(std::string)':
ho_t3.cpp:13:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t3.cpp:14:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	1 ms	2260 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	2 ms	2292 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	1 ms	2260 KB	Output is correct
16	Correct	1 ms	2260 KB	Output is correct
17	Correct	2 ms	2260 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	1 ms	2260 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	2 ms	2292 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	1 ms	2260 KB	Output is correct
16	Correct	1 ms	2260 KB	Output is correct
17	Correct	2 ms	2260 KB	Output is correct
18	Correct	1 ms	2260 KB	Output is correct
19	Correct	2 ms	2260 KB	Output is correct
20	Correct	1 ms	2260 KB	Output is correct
21	Correct	1 ms	2292 KB	Output is correct
22	Correct	1 ms	2300 KB	Output is correct
23	Correct	11 ms	4308 KB	Output is correct
24	Correct	2 ms	2288 KB	Output is correct
25	Correct	5 ms	3200 KB	Output is correct
26	Correct	2 ms	2260 KB	Output is correct
27	Correct	1 ms	2296 KB	Output is correct
28	Correct	1 ms	2260 KB	Output is correct
29	Correct	1 ms	2260 KB	Output is correct
30	Correct	1 ms	2260 KB	Output is correct
31	Correct	1 ms	2260 KB	Output is correct
32	Correct	1 ms	2288 KB	Output is correct
33	Correct	2 ms	2388 KB	Output is correct
34	Correct	2 ms	2388 KB	Output is correct
35	Correct	2 ms	2388 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	1 ms	2260 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	2 ms	2292 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	1 ms	2260 KB	Output is correct
16	Correct	1 ms	2260 KB	Output is correct
17	Correct	2 ms	2260 KB	Output is correct
18	Correct	252 ms	43316 KB	Output is correct
19	Correct	165 ms	32516 KB	Output is correct
20	Correct	63 ms	15312 KB	Output is correct
21	Correct	140 ms	28196 KB	Output is correct
22	Correct	154 ms	29964 KB	Output is correct
23	Correct	128 ms	22832 KB	Output is correct
24	Correct	2 ms	2684 KB	Output is correct
25	Correct	115 ms	22352 KB	Output is correct
26	Correct	2 ms	2388 KB	Output is correct
27	Correct	113 ms	22804 KB	Output is correct
28	Correct	2 ms	2644 KB	Output is correct
29	Correct	122 ms	23024 KB	Output is correct
30	Correct	3 ms	2772 KB	Output is correct
31	Correct	111 ms	22216 KB	Output is correct
32	Correct	4 ms	3284 KB	Output is correct
33	Correct	125 ms	21904 KB	Output is correct
34	Correct	2 ms	2420 KB	Output is correct
35	Correct	83 ms	18284 KB	Output is correct
36	Correct	2 ms	2548 KB	Output is correct
37	Correct	99 ms	20104 KB	Output is correct
38	Correct	15 ms	6352 KB	Output is correct
39	Correct	120 ms	23124 KB	Output is correct
40	Correct	2 ms	2644 KB	Output is correct
41	Correct	261 ms	44148 KB	Output is correct
42	Correct	10 ms	5716 KB	Output is correct
43	Correct	242 ms	43668 KB	Output is correct
44	Correct	11 ms	6100 KB	Output is correct
45	Correct	254 ms	44116 KB	Output is correct
46	Correct	10 ms	5972 KB	Output is correct

Subtask #4
0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	2 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	1 ms	2260 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	2 ms	2292 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	1 ms	2260 KB	Output is correct
16	Correct	1 ms	2260 KB	Output is correct
17	Correct	2 ms	2260 KB	Output is correct
18	Correct	1 ms	2260 KB	Output is correct
19	Correct	2 ms	2260 KB	Output is correct
20	Correct	1 ms	2260 KB	Output is correct
21	Correct	1 ms	2292 KB	Output is correct
22	Correct	1 ms	2300 KB	Output is correct
23	Correct	11 ms	4308 KB	Output is correct
24	Correct	2 ms	2288 KB	Output is correct
25	Correct	5 ms	3200 KB	Output is correct
26	Correct	2 ms	2260 KB	Output is correct
27	Correct	1 ms	2296 KB	Output is correct
28	Correct	1 ms	2260 KB	Output is correct
29	Correct	1 ms	2260 KB	Output is correct
30	Correct	1 ms	2260 KB	Output is correct
31	Correct	1 ms	2260 KB	Output is correct
32	Correct	1 ms	2288 KB	Output is correct
33	Correct	2 ms	2388 KB	Output is correct
34	Correct	2 ms	2388 KB	Output is correct
35	Correct	2 ms	2388 KB	Output is correct
36	Correct	252 ms	43316 KB	Output is correct
37	Correct	165 ms	32516 KB	Output is correct
38	Correct	63 ms	15312 KB	Output is correct
39	Correct	140 ms	28196 KB	Output is correct
40	Correct	154 ms	29964 KB	Output is correct
41	Correct	128 ms	22832 KB	Output is correct
42	Correct	2 ms	2684 KB	Output is correct
43	Correct	115 ms	22352 KB	Output is correct
44	Correct	2 ms	2388 KB	Output is correct
45	Correct	113 ms	22804 KB	Output is correct
46	Correct	2 ms	2644 KB	Output is correct
47	Correct	122 ms	23024 KB	Output is correct
48	Correct	3 ms	2772 KB	Output is correct
49	Correct	111 ms	22216 KB	Output is correct
50	Correct	4 ms	3284 KB	Output is correct
51	Correct	125 ms	21904 KB	Output is correct
52	Correct	2 ms	2420 KB	Output is correct
53	Correct	83 ms	18284 KB	Output is correct
54	Correct	2 ms	2548 KB	Output is correct
55	Correct	99 ms	20104 KB	Output is correct
56	Correct	15 ms	6352 KB	Output is correct
57	Correct	120 ms	23124 KB	Output is correct
58	Correct	2 ms	2644 KB	Output is correct
59	Correct	261 ms	44148 KB	Output is correct
60	Correct	10 ms	5716 KB	Output is correct
61	Correct	242 ms	43668 KB	Output is correct
62	Correct	11 ms	6100 KB	Output is correct
63	Correct	254 ms	44116 KB	Output is correct
64	Correct	10 ms	5972 KB	Output is correct
65	Execution timed out	2093 ms	218004 KB	Time limit exceeded
66	Halted	0 ms	0 KB	-

답안 #698614

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
0 / 75.0