답안 #200235

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
200235 2020-02-05T17:31:18 Z mdn2002 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
75 / 100
474 ms 57848 KB
#include<bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
int n,dp[4][242][123][123];
vector<int>v[4];
string s;
int f(int x,int ir,int ig,int iy)
{
    if(ir+ig+iy==n)return 0;
    if(dp[x][ir][ig][iy]!=-1)return dp[x][ir][ig][iy];
    int ans=1e9,ind=ir+ig+iy,id;
    for(int i=0;i<3;i++)
    {
        if(i==x)continue;
        if(i==0)
        {
            if(ir==v[0].size())continue;
            int id=v[i][ir],ad=0;
            ad-=lower_bound(v[1].begin(),v[1].begin()+ig,id)-v[1].begin();
            ad+=ig;
            ad-=lower_bound(v[2].begin(),v[2].begin()+iy,id)-v[2].begin();
            ad+=iy;
            ans=min(ans,f(0,ir+1,ig,iy)+abs((id+ad)-ind));
        }
        if(i==1)
        {
            if(ig==v[1].size())continue;
            int id=v[i][ig],ad=0;
            ad-=lower_bound(v[0].begin(),v[0].begin()+ir,id)-v[0].begin();
            ad+=ir;
            ad-=lower_bound(v[2].begin(),v[2].begin()+iy,id)-v[2].begin();
            ad+=iy;
            ans=min(ans,f(1,ir,ig+1,iy)+abs((id+ad)-ind));
        }
        if(i==2)
        {
            if(iy==v[2].size())continue;
            int id=v[i][iy],ad=0;
            ad-=lower_bound(v[1].begin(),v[1].begin()+ig,id)-v[1].begin();
            ad+=ig;
            ad-=lower_bound(v[0].begin(),v[0].begin()+ir,id)-v[0].begin();
            ad+=ir;
            ans=min(ans,f(2,ir,ig,iy+1)+abs((id+ad)-ind));
        }
    }
    return dp[x][ir][ig][iy]=ans;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen("dec.in","r",stdin);
    //freopen("dec.out","w",stdout);
    memset(dp,-1,sizeof dp);
    cin>>n>>s;
    for(int i=0;i<n;i++)
    {
        if(s[i]=='R')v[0].push_back(i);
        if(s[i]=='G')v[1].push_back(i);
        if(s[i]=='Y')v[2].push_back(i);
    }
    int mx=max(v[0].size(),max(v[1].size(),v[2].size()));
    if(mx-1>n-mx)
    {
        cout<<-1;
        return 0;
    }
    for(int i=1;i<3;i++)
    {
        if(v[0].size()<v[i].size())swap(v[0],v[i]);
    }
    int ans=f(3,0,0,0);
    cout<<ans;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int f(int, int, int, int)':
joi2019_ho_t3.cpp:17:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(ir==v[0].size())continue;
                ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:27:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(ig==v[1].size())continue;
                ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(iy==v[2].size())continue;
                ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:11:30: warning: unused variable 'id' [-Wunused-variable]
     int ans=1e9,ind=ir+ig+iy,id;
                              ^~
# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 57592 KB Output is correct
2 Correct 36 ms 57592 KB Output is correct
3 Correct 38 ms 57592 KB Output is correct
4 Correct 37 ms 57720 KB Output is correct
5 Correct 37 ms 57592 KB Output is correct
6 Correct 36 ms 57592 KB Output is correct
7 Correct 37 ms 57592 KB Output is correct
8 Correct 43 ms 57592 KB Output is correct
9 Correct 38 ms 57592 KB Output is correct
10 Correct 41 ms 57592 KB Output is correct
11 Correct 40 ms 57720 KB Output is correct
12 Correct 37 ms 57720 KB Output is correct
13 Correct 39 ms 57720 KB Output is correct
14 Correct 37 ms 57632 KB Output is correct
15 Correct 45 ms 57720 KB Output is correct
16 Correct 40 ms 57592 KB Output is correct
17 Correct 45 ms 57592 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 57592 KB Output is correct
2 Correct 36 ms 57592 KB Output is correct
3 Correct 38 ms 57592 KB Output is correct
4 Correct 37 ms 57720 KB Output is correct
5 Correct 37 ms 57592 KB Output is correct
6 Correct 36 ms 57592 KB Output is correct
7 Correct 37 ms 57592 KB Output is correct
8 Correct 43 ms 57592 KB Output is correct
9 Correct 38 ms 57592 KB Output is correct
10 Correct 41 ms 57592 KB Output is correct
11 Correct 40 ms 57720 KB Output is correct
12 Correct 37 ms 57720 KB Output is correct
13 Correct 39 ms 57720 KB Output is correct
14 Correct 37 ms 57632 KB Output is correct
15 Correct 45 ms 57720 KB Output is correct
16 Correct 40 ms 57592 KB Output is correct
17 Correct 45 ms 57592 KB Output is correct
18 Correct 40 ms 57720 KB Output is correct
19 Correct 40 ms 57720 KB Output is correct
20 Correct 46 ms 57592 KB Output is correct
21 Correct 42 ms 57592 KB Output is correct
22 Correct 40 ms 57592 KB Output is correct
23 Correct 40 ms 57592 KB Output is correct
24 Correct 39 ms 57720 KB Output is correct
25 Correct 40 ms 57592 KB Output is correct
26 Correct 40 ms 57592 KB Output is correct
27 Correct 38 ms 57592 KB Output is correct
28 Correct 38 ms 57720 KB Output is correct
29 Correct 38 ms 57592 KB Output is correct
30 Correct 48 ms 57752 KB Output is correct
31 Correct 39 ms 57596 KB Output is correct
32 Correct 38 ms 57592 KB Output is correct
33 Correct 44 ms 57592 KB Output is correct
34 Correct 38 ms 57720 KB Output is correct
35 Correct 41 ms 57592 KB Output is correct
36 Correct 39 ms 57720 KB Output is correct
37 Correct 39 ms 57592 KB Output is correct
38 Correct 42 ms 57592 KB Output is correct
39 Correct 39 ms 57592 KB Output is correct
40 Correct 44 ms 57592 KB Output is correct
41 Correct 38 ms 57592 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 57720 KB Output is correct
2 Correct 37 ms 57720 KB Output is correct
3 Correct 38 ms 57720 KB Output is correct
4 Correct 40 ms 57720 KB Output is correct
5 Correct 38 ms 57720 KB Output is correct
6 Correct 39 ms 57720 KB Output is correct
7 Correct 38 ms 57720 KB Output is correct
8 Correct 39 ms 57720 KB Output is correct
9 Correct 36 ms 57720 KB Output is correct
10 Correct 38 ms 57720 KB Output is correct
11 Correct 38 ms 57720 KB Output is correct
12 Correct 39 ms 57720 KB Output is correct
13 Correct 41 ms 57720 KB Output is correct
14 Correct 38 ms 57720 KB Output is correct
15 Correct 39 ms 57720 KB Output is correct
16 Correct 37 ms 57592 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 57592 KB Output is correct
2 Correct 36 ms 57592 KB Output is correct
3 Correct 38 ms 57592 KB Output is correct
4 Correct 37 ms 57720 KB Output is correct
5 Correct 37 ms 57592 KB Output is correct
6 Correct 36 ms 57592 KB Output is correct
7 Correct 37 ms 57592 KB Output is correct
8 Correct 43 ms 57592 KB Output is correct
9 Correct 38 ms 57592 KB Output is correct
10 Correct 41 ms 57592 KB Output is correct
11 Correct 40 ms 57720 KB Output is correct
12 Correct 37 ms 57720 KB Output is correct
13 Correct 39 ms 57720 KB Output is correct
14 Correct 37 ms 57632 KB Output is correct
15 Correct 45 ms 57720 KB Output is correct
16 Correct 40 ms 57592 KB Output is correct
17 Correct 45 ms 57592 KB Output is correct
18 Correct 40 ms 57720 KB Output is correct
19 Correct 40 ms 57720 KB Output is correct
20 Correct 46 ms 57592 KB Output is correct
21 Correct 42 ms 57592 KB Output is correct
22 Correct 40 ms 57592 KB Output is correct
23 Correct 40 ms 57592 KB Output is correct
24 Correct 39 ms 57720 KB Output is correct
25 Correct 40 ms 57592 KB Output is correct
26 Correct 40 ms 57592 KB Output is correct
27 Correct 38 ms 57592 KB Output is correct
28 Correct 38 ms 57720 KB Output is correct
29 Correct 38 ms 57592 KB Output is correct
30 Correct 48 ms 57752 KB Output is correct
31 Correct 39 ms 57596 KB Output is correct
32 Correct 38 ms 57592 KB Output is correct
33 Correct 44 ms 57592 KB Output is correct
34 Correct 38 ms 57720 KB Output is correct
35 Correct 41 ms 57592 KB Output is correct
36 Correct 39 ms 57720 KB Output is correct
37 Correct 39 ms 57592 KB Output is correct
38 Correct 42 ms 57592 KB Output is correct
39 Correct 39 ms 57592 KB Output is correct
40 Correct 44 ms 57592 KB Output is correct
41 Correct 38 ms 57592 KB Output is correct
42 Correct 44 ms 57720 KB Output is correct
43 Correct 37 ms 57720 KB Output is correct
44 Correct 38 ms 57720 KB Output is correct
45 Correct 40 ms 57720 KB Output is correct
46 Correct 38 ms 57720 KB Output is correct
47 Correct 39 ms 57720 KB Output is correct
48 Correct 38 ms 57720 KB Output is correct
49 Correct 39 ms 57720 KB Output is correct
50 Correct 36 ms 57720 KB Output is correct
51 Correct 38 ms 57720 KB Output is correct
52 Correct 38 ms 57720 KB Output is correct
53 Correct 39 ms 57720 KB Output is correct
54 Correct 41 ms 57720 KB Output is correct
55 Correct 38 ms 57720 KB Output is correct
56 Correct 39 ms 57720 KB Output is correct
57 Correct 37 ms 57592 KB Output is correct
58 Correct 474 ms 57760 KB Output is correct
59 Correct 449 ms 57720 KB Output is correct
60 Correct 470 ms 57848 KB Output is correct
61 Incorrect 474 ms 57720 KB Output isn't correct
62 Halted 0 ms 0 KB -