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답안 #211616

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
211616 2020-03-20T20:23:28 Z brcode Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 328 ms 333304 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 x){
     
        if(arr[to]>=arr[from]){
             x=arr[to]-arr[from];
        }
        return min(abs(arr[to]-arr[from]),l-abs(arr[from]-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];
    }
    t[0] = -1e9;
    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));
                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);
                if(i==1){
                  //  cout<<l<<" "<<r<<" "<<currl<<" "<<currr<<endl;
                }
               // cout<<currl<<" "<<currr<<endl;
                //int nxt = min(dist(l,check(r+1),0))
                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][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<<i+1<<endl;
                   // 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));
                }
            }
        }
    }
   for(int i=1;i<=n;i++){
        for(int j=0;j<=n;j++){
            for(int k=0;k<=n;k++){
                    if(dp[i][j][k][0]!=1e14||dp[i][j][k][1]!=1e14){
                       // cout<<i<<" "<<j<<" "<<k<<" "<<dp[i][j][k][0]<<" "<<dp[i][j][k][1]<<endl;;
                    }
                
            }
        }
    }
    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 5 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 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 5 ms 384 KB Output is correct
11 Correct 5 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 640 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 5 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 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 5 ms 384 KB Output is correct
11 Correct 5 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 640 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 6 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 640 KB Output is correct
28 Correct 5 ms 768 KB Output is correct
29 Correct 5 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
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 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 5 ms 384 KB Output is correct
11 Correct 5 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 640 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 5 ms 1152 KB Output is correct
18 Correct 294 ms 267400 KB Output is correct
19 Correct 128 ms 161784 KB Output is correct
20 Correct 63 ms 83576 KB Output is correct
21 Correct 117 ms 152696 KB Output is correct
22 Correct 225 ms 198264 KB Output is correct
23 Correct 53 ms 68344 KB Output is correct
24 Correct 38 ms 50432 KB Output is correct
25 Correct 52 ms 66552 KB Output is correct
26 Correct 19 ms 20736 KB Output is correct
27 Correct 55 ms 70144 KB Output is correct
28 Correct 58 ms 46080 KB Output is correct
29 Correct 55 ms 71928 KB Output is correct
30 Correct 42 ms 53496 KB Output is correct
31 Correct 51 ms 66560 KB Output is correct
32 Correct 25 ms 30208 KB Output is correct
33 Correct 53 ms 66560 KB Output is correct
34 Correct 18 ms 19072 KB Output is correct
35 Correct 47 ms 64760 KB Output is correct
36 Correct 21 ms 26112 KB Output is correct
37 Correct 51 ms 70136 KB Output is correct
38 Correct 28 ms 33536 KB Output is correct
39 Correct 55 ms 73848 KB Output is correct
40 Correct 29 ms 38272 KB Output is correct
41 Correct 305 ms 329848 KB Output is correct
42 Correct 169 ms 221924 KB Output is correct
43 Correct 305 ms 329848 KB Output is correct
44 Correct 166 ms 219256 KB Output is correct
45 Correct 299 ms 329880 KB Output is correct
46 Correct 171 ms 221816 KB Output is correct

Subtask #4
75.0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 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 5 ms 384 KB Output is correct
11 Correct 5 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 640 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 6 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 640 KB Output is correct
28 Correct 5 ms 768 KB Output is correct
29 Correct 5 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 294 ms 267400 KB Output is correct
37 Correct 128 ms 161784 KB Output is correct
38 Correct 63 ms 83576 KB Output is correct
39 Correct 117 ms 152696 KB Output is correct
40 Correct 225 ms 198264 KB Output is correct
41 Correct 53 ms 68344 KB Output is correct
42 Correct 38 ms 50432 KB Output is correct
43 Correct 52 ms 66552 KB Output is correct
44 Correct 19 ms 20736 KB Output is correct
45 Correct 55 ms 70144 KB Output is correct
46 Correct 58 ms 46080 KB Output is correct
47 Correct 55 ms 71928 KB Output is correct
48 Correct 42 ms 53496 KB Output is correct
49 Correct 51 ms 66560 KB Output is correct
50 Correct 25 ms 30208 KB Output is correct
51 Correct 53 ms 66560 KB Output is correct
52 Correct 18 ms 19072 KB Output is correct
53 Correct 47 ms 64760 KB Output is correct
54 Correct 21 ms 26112 KB Output is correct
55 Correct 51 ms 70136 KB Output is correct
56 Correct 28 ms 33536 KB Output is correct
57 Correct 55 ms 73848 KB Output is correct
58 Correct 29 ms 38272 KB Output is correct
59 Correct 305 ms 329848 KB Output is correct
60 Correct 169 ms 221924 KB Output is correct
61 Correct 305 ms 329848 KB Output is correct
62 Correct 166 ms 219256 KB Output is correct
63 Correct 299 ms 329880 KB Output is correct
64 Correct 171 ms 221816 KB Output is correct
65 Correct 260 ms 297720 KB Output is correct
66 Correct 242 ms 273156 KB Output is correct
67 Correct 229 ms 261372 KB Output is correct
68 Correct 204 ms 241144 KB Output is correct
69 Correct 254 ms 294648 KB Output is correct
70 Correct 257 ms 282472 KB Output is correct
71 Correct 240 ms 285304 KB Output is correct
72 Correct 270 ms 288508 KB Output is correct
73 Correct 226 ms 267256 KB Output is correct
74 Correct 219 ms 249720 KB Output is correct
75 Correct 245 ms 276344 KB Output is correct
76 Correct 314 ms 316792 KB Output is correct
77 Correct 275 ms 316792 KB Output is correct
78 Correct 232 ms 244088 KB Output is correct
79 Correct 216 ms 252540 KB Output is correct
80 Correct 315 ms 310520 KB Output is correct
81 Correct 219 ms 255480 KB Output is correct
82 Correct 229 ms 270200 KB Output is correct
83 Correct 306 ms 329848 KB Output is correct
84 Correct 241 ms 282232 KB Output is correct
85 Correct 261 ms 307192 KB Output is correct
86 Correct 269 ms 300924 KB Output is correct
87 Correct 256 ms 276216 KB Output is correct
88 Correct 328 ms 333304 KB Output is correct
89 Correct 303 ms 333176 KB Output is correct
90 Correct 224 ms 279288 KB Output is correct
91 Correct 328 ms 333256 KB Output is correct
92 Correct 306 ms 333304 KB Output is correct
93 Correct 273 ms 326648 KB Output is correct