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Submission #953643

# Submission time Handle Problem Language Result Execution time Memory
953643 2024-03-26T11:39:45 Z Iliya_ Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 112 ms 104780 KB 
//IN THE NAME OF GOD
#include<bits/stdc++.h>
//#pragma GCC optimize("O2,unroll-loops")
//#pragma GCC target("sse4")
#define endl        '\n'
#define F           first
#define S           second
#define pii         pair<int,int>
#define mp          make_pair
#define all(x)      x.begin(),x.end()
#define pb          push_back
#define fast_io     ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define file_io     freopen("input.in" , "r" , stdin) ; freopen("output.out" , "w" , stdout);
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
typedef long double dll;

const int N = 207, inf=1e9;
int A[N*2], dp[3][N][N][N],sum[3][N*2], te[3], po[3][N*2];


int32_t main(){
     fast_io;

     int n; cin>>n; 
     string s; cin>>s; s='#'+s;
     for(int i=1; i<=n; i++){
          if(s[i]=='R'){
               A[i]=0;
               te[0]++; 
               po[0][te[0]]=i; 
          }
          else if(s[i]=='G'){
               A[i]=1;
               te[1]++; 
               po[1][te[1]]=i; 
          }
          else{
               A[i]=2; 
               te[2]++; 
               po[2][te[2]]=i; 
          }
     }
     if(te[0]>(te[1]+te[2]+1)||te[1]>(te[0]+te[2]+1)||te[2]>(te[0]+te[1]+1)) return cout<<-1<<endl,0;
     for(int i=0; i<3; i++){
          for(int j=1; j<=n; j++) sum[i][j]=sum[i][j-1]+(A[j]==i);
     }
     for(int id=0; id<3; id++) for(int a=0; a<N; a++) for(int b=0; b<N; b++) for(int c=0; c<N; c++) dp[id][a][b][c]=inf; 
     for(int i=0; i<3; i++) dp[i][0][0][0]=0; 
     for(int a=0; a<=te[0]; a++){
          for(int b=0; b<=te[1]; b++){
               for(int c=0; c<=te[2]; c++){
                    for(int now=0; now<3; now++){
                         for(int lst=0; lst<3; lst++){
                              if(lst==now||(a==te[0]&&now==0)||(b==te[1]&&now==1)||(c==te[2]&&now==2)) continue; 
                              int po0,po1,po2,fa,mn=dp[lst][a][b][c]; 
                              if(lst==0){
                                   po0=po[0][a]; 
                                   po1=(now==1?po[1][b+1]:po[2][c+1]); 
                                   po2=(now==1?po[2][c]:po[1][b]); 
                                   fa=(now==1?2:1);
                              }
                              else if(lst==1){
                                   po0=po[1][b]; 
                                   po1=(now==0?po[0][a+1]:po[2][c+1]); 
                                   po2=(now==0?po[2][c]:po[0][a]); 
                                   fa=(now==0?2:0); 
                              }
                              else{
                                   po0=po[2][c];  
                                   po1=(now==0?po[0][a+1]:po[1][b+1]);
                                   po2=(now==0?po[1][b]:po[0][a]); 
                                   fa=(now==0?1:0);
                              }
                              mn=mn+max(0,sum[lst][po1]-sum[lst][po0])+max(0,sum[fa][po1]-sum[fa][po2]); 
                              dp[now][a+(now==0)][b+(now==1)][c+(now==2)]=min(dp[now][a+(now==0)][b+(now==1)][c+(now==2)],mn);
                         }
                    }
               }
          }
     }
     int ans=inf; 
     for(int i=0; i<3; i++) ans=min(ans,dp[i][te[0]][te[1]][te[2]]); 
     cout<<(ans==inf?-1:ans)<<endl;

     return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 104532 KB Output is correct
2 Correct 24 ms 104436 KB Output is correct
3 Correct 23 ms 104612 KB Output is correct
4 Correct 23 ms 104540 KB Output is correct
5 Correct 23 ms 104428 KB Output is correct
6 Correct 23 ms 104592 KB Output is correct
7 Correct 23 ms 104360 KB Output is correct
8 Correct 24 ms 104536 KB Output is correct
9 Correct 25 ms 104540 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 23 ms 104604 KB Output is correct
12 Correct 24 ms 104540 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 23 ms 104540 KB Output is correct
15 Correct 24 ms 104540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 104532 KB Output is correct
2 Correct 24 ms 104436 KB Output is correct
3 Correct 23 ms 104612 KB Output is correct
4 Correct 23 ms 104540 KB Output is correct
5 Correct 23 ms 104428 KB Output is correct
6 Correct 23 ms 104592 KB Output is correct
7 Correct 23 ms 104360 KB Output is correct
8 Correct 24 ms 104536 KB Output is correct
9 Correct 25 ms 104540 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 23 ms 104604 KB Output is correct
12 Correct 24 ms 104540 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 23 ms 104540 KB Output is correct
15 Correct 24 ms 104540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 23 ms 104540 KB Output is correct
19 Correct 24 ms 104532 KB Output is correct
20 Correct 27 ms 104532 KB Output is correct
21 Correct 23 ms 104540 KB Output is correct
22 Correct 24 ms 104528 KB Output is correct
23 Correct 23 ms 104532 KB Output is correct
24 Correct 24 ms 104540 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 24 ms 104720 KB Output is correct
28 Correct 24 ms 104572 KB Output is correct
29 Correct 24 ms 104532 KB Output is correct
30 Correct 24 ms 104536 KB Output is correct
31 Correct 24 ms 104536 KB Output is correct
32 Correct 24 ms 104456 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 23 ms 104456 KB Output is correct
36 Correct 23 ms 104540 KB Output is correct
37 Correct 22 ms 104532 KB Output is correct
38 Correct 23 ms 104532 KB Output is correct
39 Correct 23 ms 104532 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 104544 KB Output is correct
2 Correct 29 ms 104540 KB Output is correct
3 Correct 34 ms 104588 KB Output is correct
4 Correct 29 ms 104540 KB Output is correct
5 Correct 33 ms 104540 KB Output is correct
6 Correct 29 ms 104580 KB Output is correct
7 Correct 30 ms 104780 KB Output is correct
8 Correct 31 ms 104488 KB Output is correct
9 Correct 29 ms 104540 KB Output is correct
10 Correct 35 ms 104436 KB Output is correct
11 Correct 32 ms 104532 KB Output is correct
12 Correct 25 ms 104416 KB Output is correct
13 Correct 28 ms 104540 KB Output is correct
14 Correct 28 ms 104540 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 104532 KB Output is correct
2 Correct 24 ms 104436 KB Output is correct
3 Correct 23 ms 104612 KB Output is correct
4 Correct 23 ms 104540 KB Output is correct
5 Correct 23 ms 104428 KB Output is correct
6 Correct 23 ms 104592 KB Output is correct
7 Correct 23 ms 104360 KB Output is correct
8 Correct 24 ms 104536 KB Output is correct
9 Correct 25 ms 104540 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 23 ms 104604 KB Output is correct
12 Correct 24 ms 104540 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 23 ms 104540 KB Output is correct
15 Correct 24 ms 104540 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 23 ms 104540 KB Output is correct
19 Correct 24 ms 104532 KB Output is correct
20 Correct 27 ms 104532 KB Output is correct
21 Correct 23 ms 104540 KB Output is correct
22 Correct 24 ms 104528 KB Output is correct
23 Correct 23 ms 104532 KB Output is correct
24 Correct 24 ms 104540 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 24 ms 104720 KB Output is correct
28 Correct 24 ms 104572 KB Output is correct
29 Correct 24 ms 104532 KB Output is correct
30 Correct 24 ms 104536 KB Output is correct
31 Correct 24 ms 104536 KB Output is correct
32 Correct 24 ms 104456 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 23 ms 104456 KB Output is correct
36 Correct 23 ms 104540 KB Output is correct
37 Correct 22 ms 104532 KB Output is correct
38 Correct 23 ms 104532 KB Output is correct
39 Correct 23 ms 104532 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 22 ms 104544 KB Output is correct
43 Correct 29 ms 104540 KB Output is correct
44 Correct 34 ms 104588 KB Output is correct
45 Correct 29 ms 104540 KB Output is correct
46 Correct 33 ms 104540 KB Output is correct
47 Correct 29 ms 104580 KB Output is correct
48 Correct 30 ms 104780 KB Output is correct
49 Correct 31 ms 104488 KB Output is correct
50 Correct 29 ms 104540 KB Output is correct
51 Correct 35 ms 104436 KB Output is correct
52 Correct 32 ms 104532 KB Output is correct
53 Correct 25 ms 104416 KB Output is correct
54 Correct 28 ms 104540 KB Output is correct
55 Correct 28 ms 104540 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 112 ms 104540 KB Output is correct
59 Correct 105 ms 104364 KB Output is correct
60 Correct 104 ms 104540 KB Output is correct
61 Correct 105 ms 104444 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 41 ms 104400 KB Output is correct
64 Correct 72 ms 104540 KB Output is correct
65 Correct 86 ms 104528 KB Output is correct
66 Correct 104 ms 104532 KB Output is correct
67 Correct 107 ms 104560 KB Output is correct
68 Correct 104 ms 104588 KB Output is correct
69 Correct 112 ms 104592 KB Output is correct
70 Correct 107 ms 104584 KB Output is correct
71 Correct 103 ms 104588 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct