oj.uz

답안 #930865

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
930865 2024-02-20T14:42:15 Z Aiperiii Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 196 ms 429516 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
const int N=405;
int pref[3][N],dp[3][N][N][N];
vector <int> pos[3];
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    string s;
    cin>>s;
    s='.'+s;
    pos[0].pb(0);pos[1].pb(0);pos[2].pb(0);
    for(int i=1;i<=n;i++){
        if(s[i]=='R'){
            pref[0][i]++;
            pos[0].pb(i);
        }
        else if(s[i]=='G'){
            pref[1][i]++;
            pos[1].pb(i);
        }
        else {
            pref[2][i]++;
            pos[2].pb(i);
        }
        pref[0][i]+=pref[0][i-1];
        pref[1][i]+=pref[1][i-1];
        pref[2][i]+=pref[2][i-1];
        
    }
    for(int i=0;i<pos[0].size();i++){
        for(int j=0;j<pos[1].size();j++){
            for(int k=0;k<pos[2].size();k++){
                for(int l=0;l<3;l++){
                    dp[l][i][j][k]=1e18;
                }
            }
        }
    }
    dp[0][0][0][0]=0;
    dp[1][0][0][0]=0;
    dp[2][0][0][0]=0;
    for(int i=0;i<pos[0].size();i++){
        for(int j=0;j<pos[1].size();j++){
            for(int k=0;k<pos[2].size();k++){
                for(int fr=0;fr<3;fr++){
                    for(int sc=0;sc<3;sc++){
                        if(sc==fr)continue;
                        if(sc==0 && i==pos[0].size()-1)continue;
                        if(sc==1 && j==pos[1].size()-1)continue;
                        if(sc==2 && k==pos[2].size()-1)continue;
                        int pos_fr=0,pos_sc=0,pos_thr=0;
                        int thr=3-fr-sc;
                        if(fr==0)pos_fr=pos[fr][i];
                        else if(fr==1)pos_fr=pos[fr][j];
                        else pos_fr=pos[fr][k];
                        if(thr==0)pos_thr=pos[thr][i];
                        else if(thr==1)pos_thr=pos[thr][j];
                        else pos_thr=pos[thr][k];
                        if(sc==0)pos_sc=pos[sc][i+1];
                        else if(sc==1)pos_sc=pos[sc][j+1];
                        else pos_sc=pos[sc][k+1];
                        int ans=dp[fr][i][j][k];
                        ans+=max(0ll,pref[fr][pos_sc]-pref[fr][pos_fr]);
                        ans+=max(0ll,pref[thr][pos_sc]-pref[thr][pos_thr]);
                        if(sc==0)dp[sc][i+1][j][k]=min(ans,dp[sc][i+1][j][k]);
                        else if(sc==1)dp[sc][i][j+1][k]=min(ans,dp[sc][i][j+1][k]);
                        else dp[sc][i][j][k+1]=min(ans,dp[sc][i][j][k+1]);
                    }
                }
            }
        }
    }
    int ans=1e18;
    for(int i=0;i<3;i++)ans=min(ans,dp[i][pos[0].size()-1][pos[1].size()-1][pos[2].size()-1]);
    if(ans==1e18)ans=-1;
    cout<<ans<<"\n";
}
/*

 */

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:38:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=0;i<pos[0].size();i++){
      |                 ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:39:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for(int j=0;j<pos[1].size();j++){
      |                     ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:40:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |             for(int k=0;k<pos[2].size();k++){
      |                         ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:50:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for(int i=0;i<pos[0].size();i++){
      |                 ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:51:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |         for(int j=0;j<pos[1].size();j++){
      |                     ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:52:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |             for(int k=0;k<pos[2].size();k++){
      |                         ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:56:38: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |                         if(sc==0 && i==pos[0].size()-1)continue;
      |                                     ~^~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:57:38: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |                         if(sc==1 && j==pos[1].size()-1)continue;
      |                                     ~^~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:58:38: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |                         if(sc==2 && k==pos[2].size()-1)continue;
      |                                     ~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 3 ms 16732 KB Output is correct
5 Correct 4 ms 25028 KB Output is correct
6 Correct 5 ms 29020 KB Output is correct
7 Correct 6 ms 33116 KB Output is correct
8 Correct 5 ms 29172 KB Output is correct
9 Correct 4 ms 29020 KB Output is correct
10 Correct 9 ms 45404 KB Output is correct
11 Correct 4 ms 24920 KB Output is correct
12 Correct 4 ms 24924 KB Output is correct
13 Correct 3 ms 16732 KB Output is correct
14 Correct 4 ms 29020 KB Output is correct
15 Correct 3 ms 20828 KB Output is correct
16 Correct 7 ms 47452 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 3 ms 16732 KB Output is correct
5 Correct 4 ms 25028 KB Output is correct
6 Correct 5 ms 29020 KB Output is correct
7 Correct 6 ms 33116 KB Output is correct
8 Correct 5 ms 29172 KB Output is correct
9 Correct 4 ms 29020 KB Output is correct
10 Correct 9 ms 45404 KB Output is correct
11 Correct 4 ms 24920 KB Output is correct
12 Correct 4 ms 24924 KB Output is correct
13 Correct 3 ms 16732 KB Output is correct
14 Correct 4 ms 29020 KB Output is correct
15 Correct 3 ms 20828 KB Output is correct
16 Correct 7 ms 47452 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 12 ms 73304 KB Output is correct
19 Correct 10 ms 72540 KB Output is correct
20 Correct 11 ms 73408 KB Output is correct
21 Correct 10 ms 72796 KB Output is correct
22 Correct 11 ms 73052 KB Output is correct
23 Correct 11 ms 70488 KB Output is correct
24 Correct 6 ms 45660 KB Output is correct
25 Correct 12 ms 78652 KB Output is correct
26 Correct 12 ms 76120 KB Output is correct
27 Correct 10 ms 74584 KB Output is correct
28 Correct 11 ms 74952 KB Output is correct
29 Correct 10 ms 73020 KB Output is correct
30 Correct 11 ms 70236 KB Output is correct
31 Correct 10 ms 64088 KB Output is correct
32 Correct 9 ms 68444 KB Output is correct
33 Correct 11 ms 72796 KB Output is correct
34 Correct 11 ms 72024 KB Output is correct
35 Correct 11 ms 69704 KB Output is correct
36 Correct 10 ms 68700 KB Output is correct
37 Correct 8 ms 55900 KB Output is correct
38 Correct 9 ms 59996 KB Output is correct
39 Correct 10 ms 70748 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 7 ms 41572 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 196 ms 422664 KB Output is correct
3 Correct 150 ms 421464 KB Output is correct
4 Correct 135 ms 426160 KB Output is correct
5 Correct 143 ms 428880 KB Output is correct
6 Correct 130 ms 428924 KB Output is correct
7 Correct 126 ms 427084 KB Output is correct
8 Correct 147 ms 427088 KB Output is correct
9 Correct 125 ms 425296 KB Output is correct
10 Correct 128 ms 428952 KB Output is correct
11 Correct 127 ms 429036 KB Output is correct
12 Correct 45 ms 166484 KB Output is correct
13 Correct 67 ms 238304 KB Output is correct
14 Correct 90 ms 313736 KB Output is correct
15 Correct 140 ms 429516 KB Output is correct
16 Correct 125 ms 428624 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 3 ms 16732 KB Output is correct
5 Correct 4 ms 25028 KB Output is correct
6 Correct 5 ms 29020 KB Output is correct
7 Correct 6 ms 33116 KB Output is correct
8 Correct 5 ms 29172 KB Output is correct
9 Correct 4 ms 29020 KB Output is correct
10 Correct 9 ms 45404 KB Output is correct
11 Correct 4 ms 24920 KB Output is correct
12 Correct 4 ms 24924 KB Output is correct
13 Correct 3 ms 16732 KB Output is correct
14 Correct 4 ms 29020 KB Output is correct
15 Correct 3 ms 20828 KB Output is correct
16 Correct 7 ms 47452 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 12 ms 73304 KB Output is correct
19 Correct 10 ms 72540 KB Output is correct
20 Correct 11 ms 73408 KB Output is correct
21 Correct 10 ms 72796 KB Output is correct
22 Correct 11 ms 73052 KB Output is correct
23 Correct 11 ms 70488 KB Output is correct
24 Correct 6 ms 45660 KB Output is correct
25 Correct 12 ms 78652 KB Output is correct
26 Correct 12 ms 76120 KB Output is correct
27 Correct 10 ms 74584 KB Output is correct
28 Correct 11 ms 74952 KB Output is correct
29 Correct 10 ms 73020 KB Output is correct
30 Correct 11 ms 70236 KB Output is correct
31 Correct 10 ms 64088 KB Output is correct
32 Correct 9 ms 68444 KB Output is correct
33 Correct 11 ms 72796 KB Output is correct
34 Correct 11 ms 72024 KB Output is correct
35 Correct 11 ms 69704 KB Output is correct
36 Correct 10 ms 68700 KB Output is correct
37 Correct 8 ms 55900 KB Output is correct
38 Correct 9 ms 59996 KB Output is correct
39 Correct 10 ms 70748 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 7 ms 41572 KB Output is correct
42 Correct 3 ms 12636 KB Output is correct
43 Correct 196 ms 422664 KB Output is correct
44 Correct 150 ms 421464 KB Output is correct
45 Correct 135 ms 426160 KB Output is correct
46 Correct 143 ms 428880 KB Output is correct
47 Correct 130 ms 428924 KB Output is correct
48 Correct 126 ms 427084 KB Output is correct
49 Correct 147 ms 427088 KB Output is correct
50 Correct 125 ms 425296 KB Output is correct
51 Correct 128 ms 428952 KB Output is correct
52 Correct 127 ms 429036 KB Output is correct
53 Correct 45 ms 166484 KB Output is correct
54 Correct 67 ms 238304 KB Output is correct
55 Correct 90 ms 313736 KB Output is correct
56 Correct 140 ms 429516 KB Output is correct
57 Correct 125 ms 428624 KB Output is correct
58 Correct 148 ms 211792 KB Output is correct
59 Correct 159 ms 249172 KB Output is correct
60 Correct 156 ms 234048 KB Output is correct
61 Correct 179 ms 228176 KB Output is correct
62 Correct 135 ms 422740 KB Output is correct
63 Correct 138 ms 415120 KB Output is correct
64 Correct 154 ms 370836 KB Output is correct
65 Correct 159 ms 329044 KB Output is correct
66 Correct 151 ms 229716 KB Output is correct
67 Correct 149 ms 219892 KB Output is correct
68 Correct 161 ms 235348 KB Output is correct
69 Correct 153 ms 228560 KB Output is correct
70 Correct 157 ms 241672 KB Output is correct
71 Correct 157 ms 228688 KB Output is correct
72 Correct 66 ms 164176 KB Output is correct
73 Correct 10 ms 21084 KB Output is correct