oj.uz

답안 #211507

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
211507 2020-03-20T16:02:02 Z brcode Collecting Stamps 3 (JOI20_ho_t3) C++14
15 / 100
 212 ms 267256 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
long long n,l;
long long ans = 0;
const long long MAXN = 210;
long long dp[MAXN][MAXN][MAXN][5];
long long arr[MAXN];
long long t[MAXN];
long long check(long long x){
    x+=(n+1);
    x%=(n+1);
    return x;
}
long long dist(long long from,long long to,long long way){
    if(way == 0){
        if(arr[to]>=arr[from]){
            return arr[to]-arr[from];
        }
        return l-arr[from]+arr[to];
    }else{
        if(arr[from]>=arr[to]){
            return arr[from]-arr[to];
        }
        return arr[from]+l-arr[to];
    }
    
    
}
int main(){
    cin>>n>>l;
    for(long long i=0;i<=n;i++){
        for(long long j=0;j<=n;j++){
            for(long long k=0;k<=n;k++){
                for(long long l=0;l<=4;l++){
                    dp[i][j][k][l] = 1e14;
                }
            }
        }
    }
    dp[0][0][0][0] = 0;
    dp[0][0][0][1] = 0;
    for(long long i=1;i<=n;i++){
        cin>>arr[i];
    }
    for(long long i=1;i<=n;i++){
        cin>>t[i];
    }
    
    for(long long i=0;i<=n;i++){
        for(long long len=0;len<=n;len++){
            for(long long l=0;l<=n;l++){
                
                long long r=check(l+len);
                if(len == 0 && l==0){
                    r=0;
                }else if(len == 0){
                    continue;
                }
                dp[i][l][r][0] = min(dp[i][l][r][0],dp[i][l][r][1]+dist(r,l,1));
                dp[i][l][r][1] = min(dp[i][l][r][1],dp[i][l][r][0]+dist(l,r,0));
                long long currl = dp[i][l][r][0];
                long long currr = dp[i][l][r][1];
                
              //  cout<<len<<" "<<l<<" "<<r<<endl;
                if(currl==1e14 && currr ==1e14){
                    continue;
                }
                ans = max(ans,i);
               // cout<<currl<<" "<<currr<<endl;
                
                if(currl+dist(l,check(r+1),0)<=t[check(r+1)]){
                    dp[i+1][l][check(r+1)][1] = min(dp[i+1][l][check(r+1)][1],currl+dist(l,check(r+1),0));
                   
                }else{
                    dp[i][l][check(r+1)][1] = min(dp[i][l][check(r+1)][1],currl+dist(l,check(r+1),0));
                }
                if(currr+dist(r,check(r+1),0)<=t[check(r+1)]){
                    dp[i+1][l][check(r+1)][1] = min(dp[i+1][l][check(r+1)][1],currr+dist(r,check(r+1),0)); 
                }else{
                    dp[i][l][check(r+1)][1] = min(dp[i+1][l][check(r+1)][1],currr+dist(r,check(r+1),0));
                }
                
                if(currl+dist(l,check(l-1),1)<=t[check(l-1)]){
                    dp[i+1][check(l-1)][r][0]=min(dp[i+1][check(l-1)][r][0],currl+dist(l,check(l-1),1));
                    //cout<<i+1<<" "<<check(l-1)<<" "<<r<<endl;
                }else{
                    dp[i][check(l-1)][r][0]= min(dp[i][check(l-1)][r][0],currl+dist(l,check(l-1),1));
                }
                
                if(currr+dist(r,check(l-1),1)<=t[check(l-1)]){
                    dp[i+1][check(l-1)][r][0] = min(dp[i+1][check(l-1)][r][0],currr+dist(r,check(l-1),1));
                   // cout<<check(l-1)<<" "<<r<<" "<<dp[i+1][check(l-1)][r][0]<<endl;
                }else{
                    dp[i][check(l-1)][r][0] = min(dp[i][check(l-1)][r][0],currr+dist(r,check(l-1),1));
                }
            }
        }
    }
    cout<<ans<<endl;   
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 4 ms 640 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 896 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 1152 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 768 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 5 ms 1152 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 4 ms 640 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 896 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 1152 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 768 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 5 ms 1152 KB Output is correct
18 Correct 5 ms 1408 KB Output is correct
19 Correct 5 ms 896 KB Output is correct
20 Correct 5 ms 1152 KB Output is correct
21 Correct 5 ms 1408 KB Output is correct
22 Correct 5 ms 768 KB Output is correct
23 Correct 5 ms 1536 KB Output is correct
24 Correct 5 ms 1280 KB Output is correct
25 Correct 5 ms 1408 KB Output is correct
26 Correct 5 ms 1408 KB Output is correct
27 Correct 5 ms 768 KB Output is correct
28 Correct 5 ms 768 KB Output is correct
29 Correct 6 ms 1536 KB Output is correct
30 Correct 5 ms 1536 KB Output is correct
31 Correct 5 ms 1408 KB Output is correct
32 Correct 5 ms 1280 KB Output is correct
33 Correct 5 ms 1536 KB Output is correct
34 Correct 5 ms 1536 KB Output is correct
35 Correct 5 ms 1536 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 4 ms 640 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 896 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 1152 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 768 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 5 ms 1152 KB Output is correct
18 Correct 212 ms 267256 KB Output is correct
19 Correct 123 ms 161784 KB Output is correct
20 Correct 59 ms 83576 KB Output is correct
21 Correct 111 ms 152696 KB Output is correct
22 Correct 159 ms 198268 KB Output is correct
23 Correct 53 ms 68344 KB Output is correct
24 Correct 36 ms 50432 KB Output is correct
25 Correct 48 ms 66552 KB Output is correct
26 Correct 18 ms 20736 KB Output is correct
27 Correct 55 ms 70136 KB Output is correct
28 Correct 33 ms 46080 KB Output is correct
29 Incorrect 52 ms 71936 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 4 ms 640 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 896 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 1152 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 768 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 5 ms 1152 KB Output is correct
18 Correct 5 ms 1408 KB Output is correct
19 Correct 5 ms 896 KB Output is correct
20 Correct 5 ms 1152 KB Output is correct
21 Correct 5 ms 1408 KB Output is correct
22 Correct 5 ms 768 KB Output is correct
23 Correct 5 ms 1536 KB Output is correct
24 Correct 5 ms 1280 KB Output is correct
25 Correct 5 ms 1408 KB Output is correct
26 Correct 5 ms 1408 KB Output is correct
27 Correct 5 ms 768 KB Output is correct
28 Correct 5 ms 768 KB Output is correct
29 Correct 6 ms 1536 KB Output is correct
30 Correct 5 ms 1536 KB Output is correct
31 Correct 5 ms 1408 KB Output is correct
32 Correct 5 ms 1280 KB Output is correct
33 Correct 5 ms 1536 KB Output is correct
34 Correct 5 ms 1536 KB Output is correct
35 Correct 5 ms 1536 KB Output is correct
36 Correct 212 ms 267256 KB Output is correct
37 Correct 123 ms 161784 KB Output is correct
38 Correct 59 ms 83576 KB Output is correct
39 Correct 111 ms 152696 KB Output is correct
40 Correct 159 ms 198268 KB Output is correct
41 Correct 53 ms 68344 KB Output is correct
42 Correct 36 ms 50432 KB Output is correct
43 Correct 48 ms 66552 KB Output is correct
44 Correct 18 ms 20736 KB Output is correct
45 Correct 55 ms 70136 KB Output is correct
46 Correct 33 ms 46080 KB Output is correct
47 Incorrect 52 ms 71936 KB Output isn't correct
48 Halted 0 ms 0 KB -