oj.uz

답안 #888070

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
888070 2023-12-15T22:12:27 Z amirhoseinfar1385 Collecting Stamps 3 (JOI20_ho_t3) C++17
25 / 100
 52 ms 145520 KB 
#include<bits/stdc++.h>
using namespace std;
const long long maxn=210,inf=1000000000000;
pair<long long,long long>dp[maxn][maxn][maxn];
long long n,allx[maxn],allt[maxn],L;
long long res=0;
long long fas(long long a,long long b){
	 if (b <= a)
        return (a - b);
    return L - (b- a);
}

void upddp(long long l,long long r){
	//cout<<l<<" "<<r<<" "<<dp[l][r][0].first<<" "<<dp[l][r][0].second<<"\n";
	long long ll=(l-1)+n,rr=r+1;
	ll%=n;
	rr%=n;
	for(long long i=0;i<n;i++){
		if(dp[l][r][i].first!=inf){
			//cout<<l<<" "<<r<<" "<<i<<" "<<dp[l][r][i].first<<" "<<dp[l][r][i].second<<'\n';
			dp[ll][r][i].first=min(dp[ll][r][i].first,dp[l][r][i].first+fas(allx[l],allx[ll]));
			dp[ll][r][i].second=min(dp[ll][r][i].second,dp[ll][r][i].first+fas(allx[r],allx[ll]));
			if(fas(allx[l],allx[ll])+dp[l][r][i].first<=allt[ll]){
				dp[ll][r][i+1].first=min(dp[ll][r][i+1].first,dp[l][r][i].first+fas(allx[l],allx[ll]));
				dp[ll][r][i+1].second=min(dp[ll][r][i+1].second,dp[ll][r][i].first+fas(allx[r],allx[ll]));
				res=max(res,i+1);
			}
			dp[l][rr][i].second=min(dp[l][rr][i].second,dp[l][r][i].second+fas(allx[rr],allx[r]));
			dp[l][rr][i].first=min(dp[l][rr][i].first,dp[l][rr][i].second+fas(allx[rr],allx[l]));
			if(fas(allx[rr],allx[r])+dp[l][r][i].second<=allt[rr]){
				dp[l][rr][i+1].second=min(dp[l][rr][i+1].second,dp[l][r][i].second+fas(allx[rr],allx[r]));
				dp[l][rr][i+1].first=min(dp[l][rr][i+1].first,dp[l][rr][i+1].second+fas(allx[rr],allx[l]));
				res=max(res,i+1);
			}
		}
	}
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	for(long long i=0;i<maxn;i++){
		for(long long j=0;j<maxn;j++){
			for(long long h=0;h<maxn;h++){
				dp[i][j][h]=make_pair(inf,inf);
			}
		}
	}
	cin>>n>>L;
	for(long long i=0;i<n;i++){
		cin>>allx[i];
	}
	for(long long i=0;i<n;i++){
		cin>>allt[i];
	}
	if(n==1){
		if(min(allx[0],fas(0,allx[0]))<=allt[0]){
			cout<<1<<endl;
			return 0;
		}
		cout<<0<<endl;
		return 0;
	}
	if(allx[0]<=allt[0]){
		dp[0][0][0]=dp[0][0][1]=make_pair(allx[0],allx[0]);
		res=1;
	}
	else{
		dp[0][0][0]=make_pair(allx[0],allx[0]);
	}
	if(fas(0,allx[n-1])<=allt[n-1]){
		dp[n-1][n-1][0]=dp[n-1][n-1][1]=make_pair(fas(0,allx[n-1]),fas(0,allx[n-1]));
		res=1;
	}
	else{
		dp[n-1][n-1][0]=make_pair(fas(0,allx[n-1]),fas(0,allx[n-1]));
	}
	for(long long i=0;i<n-1;i++){
		for(long long l=n-1;l>=0;l--){
			upddp(l,(l+i)%n);
		}
	}
	cout<<res<<"\n";
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 145240 KB Output is correct
2 Correct 20 ms 145296 KB Output is correct
3 Correct 20 ms 145244 KB Output is correct
4 Correct 21 ms 145236 KB Output is correct
5 Correct 22 ms 145408 KB Output is correct
6 Correct 21 ms 145488 KB Output is correct
7 Correct 21 ms 145232 KB Output is correct
8 Correct 21 ms 145244 KB Output is correct
9 Correct 21 ms 145272 KB Output is correct
10 Correct 20 ms 145240 KB Output is correct
11 Correct 20 ms 145244 KB Output is correct
12 Correct 22 ms 145244 KB Output is correct
13 Correct 23 ms 145244 KB Output is correct
14 Correct 23 ms 145252 KB Output is correct
15 Correct 21 ms 145244 KB Output is correct
16 Correct 22 ms 145240 KB Output is correct
17 Correct 30 ms 145236 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 145240 KB Output is correct
2 Correct 20 ms 145296 KB Output is correct
3 Correct 20 ms 145244 KB Output is correct
4 Correct 21 ms 145236 KB Output is correct
5 Correct 22 ms 145408 KB Output is correct
6 Correct 21 ms 145488 KB Output is correct
7 Correct 21 ms 145232 KB Output is correct
8 Correct 21 ms 145244 KB Output is correct
9 Correct 21 ms 145272 KB Output is correct
10 Correct 20 ms 145240 KB Output is correct
11 Correct 20 ms 145244 KB Output is correct
12 Correct 22 ms 145244 KB Output is correct
13 Correct 23 ms 145244 KB Output is correct
14 Correct 23 ms 145252 KB Output is correct
15 Correct 21 ms 145244 KB Output is correct
16 Correct 22 ms 145240 KB Output is correct
17 Correct 30 ms 145236 KB Output is correct
18 Correct 20 ms 145236 KB Output is correct
19 Correct 20 ms 145236 KB Output is correct
20 Correct 22 ms 145236 KB Output is correct
21 Correct 20 ms 145232 KB Output is correct
22 Correct 21 ms 145244 KB Output is correct
23 Correct 20 ms 145368 KB Output is correct
24 Correct 21 ms 145232 KB Output is correct
25 Correct 21 ms 145244 KB Output is correct
26 Correct 21 ms 145244 KB Output is correct
27 Correct 21 ms 145340 KB Output is correct
28 Correct 20 ms 145244 KB Output is correct
29 Correct 21 ms 145284 KB Output is correct
30 Correct 20 ms 145240 KB Output is correct
31 Correct 23 ms 145316 KB Output is correct
32 Correct 20 ms 145240 KB Output is correct
33 Correct 20 ms 145228 KB Output is correct
34 Correct 21 ms 145292 KB Output is correct
35 Correct 21 ms 145332 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 145240 KB Output is correct
2 Correct 20 ms 145296 KB Output is correct
3 Correct 20 ms 145244 KB Output is correct
4 Correct 21 ms 145236 KB Output is correct
5 Correct 22 ms 145408 KB Output is correct
6 Correct 21 ms 145488 KB Output is correct
7 Correct 21 ms 145232 KB Output is correct
8 Correct 21 ms 145244 KB Output is correct
9 Correct 21 ms 145272 KB Output is correct
10 Correct 20 ms 145240 KB Output is correct
11 Correct 20 ms 145244 KB Output is correct
12 Correct 22 ms 145244 KB Output is correct
13 Correct 23 ms 145244 KB Output is correct
14 Correct 23 ms 145252 KB Output is correct
15 Correct 21 ms 145244 KB Output is correct
16 Correct 22 ms 145240 KB Output is correct
17 Correct 30 ms 145236 KB Output is correct
18 Correct 44 ms 145520 KB Output is correct
19 Correct 33 ms 145236 KB Output is correct
20 Correct 25 ms 145236 KB Output is correct
21 Correct 30 ms 145424 KB Output is correct
22 Correct 34 ms 145208 KB Output is correct
23 Correct 26 ms 145208 KB Output is correct
24 Correct 23 ms 145244 KB Output is correct
25 Correct 25 ms 145244 KB Output is correct
26 Correct 22 ms 145288 KB Output is correct
27 Correct 25 ms 145320 KB Output is correct
28 Correct 23 ms 145424 KB Output is correct
29 Correct 27 ms 145236 KB Output is correct
30 Correct 23 ms 145240 KB Output is correct
31 Correct 24 ms 145244 KB Output is correct
32 Correct 22 ms 145232 KB Output is correct
33 Correct 25 ms 145232 KB Output is correct
34 Correct 21 ms 145244 KB Output is correct
35 Correct 24 ms 145244 KB Output is correct
36 Correct 22 ms 145208 KB Output is correct
37 Correct 25 ms 145240 KB Output is correct
38 Correct 23 ms 145404 KB Output is correct
39 Correct 24 ms 145244 KB Output is correct
40 Correct 22 ms 145240 KB Output is correct
41 Correct 49 ms 145244 KB Output is correct
42 Correct 34 ms 145244 KB Output is correct
43 Correct 52 ms 145280 KB Output is correct
44 Correct 31 ms 145236 KB Output is correct
45 Correct 48 ms 145244 KB Output is correct
46 Correct 31 ms 145244 KB Output is correct

Subtask #4
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 145240 KB Output is correct
2 Correct 20 ms 145296 KB Output is correct
3 Correct 20 ms 145244 KB Output is correct
4 Correct 21 ms 145236 KB Output is correct
5 Correct 22 ms 145408 KB Output is correct
6 Correct 21 ms 145488 KB Output is correct
7 Correct 21 ms 145232 KB Output is correct
8 Correct 21 ms 145244 KB Output is correct
9 Correct 21 ms 145272 KB Output is correct
10 Correct 20 ms 145240 KB Output is correct
11 Correct 20 ms 145244 KB Output is correct
12 Correct 22 ms 145244 KB Output is correct
13 Correct 23 ms 145244 KB Output is correct
14 Correct 23 ms 145252 KB Output is correct
15 Correct 21 ms 145244 KB Output is correct
16 Correct 22 ms 145240 KB Output is correct
17 Correct 30 ms 145236 KB Output is correct
18 Correct 20 ms 145236 KB Output is correct
19 Correct 20 ms 145236 KB Output is correct
20 Correct 22 ms 145236 KB Output is correct
21 Correct 20 ms 145232 KB Output is correct
22 Correct 21 ms 145244 KB Output is correct
23 Correct 20 ms 145368 KB Output is correct
24 Correct 21 ms 145232 KB Output is correct
25 Correct 21 ms 145244 KB Output is correct
26 Correct 21 ms 145244 KB Output is correct
27 Correct 21 ms 145340 KB Output is correct
28 Correct 20 ms 145244 KB Output is correct
29 Correct 21 ms 145284 KB Output is correct
30 Correct 20 ms 145240 KB Output is correct
31 Correct 23 ms 145316 KB Output is correct
32 Correct 20 ms 145240 KB Output is correct
33 Correct 20 ms 145228 KB Output is correct
34 Correct 21 ms 145292 KB Output is correct
35 Correct 21 ms 145332 KB Output is correct
36 Correct 44 ms 145520 KB Output is correct
37 Correct 33 ms 145236 KB Output is correct
38 Correct 25 ms 145236 KB Output is correct
39 Correct 30 ms 145424 KB Output is correct
40 Correct 34 ms 145208 KB Output is correct
41 Correct 26 ms 145208 KB Output is correct
42 Correct 23 ms 145244 KB Output is correct
43 Correct 25 ms 145244 KB Output is correct
44 Correct 22 ms 145288 KB Output is correct
45 Correct 25 ms 145320 KB Output is correct
46 Correct 23 ms 145424 KB Output is correct
47 Correct 27 ms 145236 KB Output is correct
48 Correct 23 ms 145240 KB Output is correct
49 Correct 24 ms 145244 KB Output is correct
50 Correct 22 ms 145232 KB Output is correct
51 Correct 25 ms 145232 KB Output is correct
52 Correct 21 ms 145244 KB Output is correct
53 Correct 24 ms 145244 KB Output is correct
54 Correct 22 ms 145208 KB Output is correct
55 Correct 25 ms 145240 KB Output is correct
56 Correct 23 ms 145404 KB Output is correct
57 Correct 24 ms 145244 KB Output is correct
58 Correct 22 ms 145240 KB Output is correct
59 Correct 49 ms 145244 KB Output is correct
60 Correct 34 ms 145244 KB Output is correct
61 Correct 52 ms 145280 KB Output is correct
62 Correct 31 ms 145236 KB Output is correct
63 Correct 48 ms 145244 KB Output is correct
64 Correct 31 ms 145244 KB Output is correct
65 Correct 42 ms 145244 KB Output is correct
66 Correct 42 ms 145240 KB Output is correct
67 Correct 40 ms 145292 KB Output is correct
68 Correct 37 ms 145244 KB Output is correct
69 Correct 42 ms 145232 KB Output is correct
70 Correct 49 ms 145232 KB Output is correct
71 Correct 41 ms 145496 KB Output is correct
72 Correct 46 ms 145424 KB Output is correct
73 Correct 37 ms 145236 KB Output is correct
74 Correct 41 ms 145244 KB Output is correct
75 Correct 39 ms 145256 KB Output is correct
76 Correct 47 ms 145244 KB Output is correct
77 Correct 45 ms 145244 KB Output is correct
78 Incorrect 40 ms 145232 KB Output isn't correct
79 Halted 0 ms 0 KB -