oj.uz

답안 #200223

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
200223 2020-02-05T17:21:11 Z mdn2002 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
75 / 100
 500 ms 431736 KB 
#include<bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
int n,dp[4][302][302][302];
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;
    }
    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;
                              ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 265 ms 431480 KB Output is correct
2 Correct 257 ms 431576 KB Output is correct
3 Correct 258 ms 431468 KB Output is correct
4 Correct 271 ms 431480 KB Output is correct
5 Correct 256 ms 431544 KB Output is correct
6 Correct 257 ms 431536 KB Output is correct
7 Correct 255 ms 431480 KB Output is correct
8 Correct 262 ms 431608 KB Output is correct
9 Correct 258 ms 431572 KB Output is correct
10 Correct 258 ms 431480 KB Output is correct
11 Correct 245 ms 431636 KB Output is correct
12 Correct 255 ms 431584 KB Output is correct
13 Correct 254 ms 431608 KB Output is correct
14 Correct 259 ms 431568 KB Output is correct
15 Correct 265 ms 431480 KB Output is correct
16 Correct 258 ms 431584 KB Output is correct
17 Correct 248 ms 431492 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 265 ms 431480 KB Output is correct
2 Correct 257 ms 431576 KB Output is correct
3 Correct 258 ms 431468 KB Output is correct
4 Correct 271 ms 431480 KB Output is correct
5 Correct 256 ms 431544 KB Output is correct
6 Correct 257 ms 431536 KB Output is correct
7 Correct 255 ms 431480 KB Output is correct
8 Correct 262 ms 431608 KB Output is correct
9 Correct 258 ms 431572 KB Output is correct
10 Correct 258 ms 431480 KB Output is correct
11 Correct 245 ms 431636 KB Output is correct
12 Correct 255 ms 431584 KB Output is correct
13 Correct 254 ms 431608 KB Output is correct
14 Correct 259 ms 431568 KB Output is correct
15 Correct 265 ms 431480 KB Output is correct
16 Correct 258 ms 431584 KB Output is correct
17 Correct 248 ms 431492 KB Output is correct
18 Correct 260 ms 431480 KB Output is correct
19 Correct 246 ms 431584 KB Output is correct
20 Correct 262 ms 431608 KB Output is correct
21 Correct 246 ms 431480 KB Output is correct
22 Correct 255 ms 431648 KB Output is correct
23 Correct 255 ms 431608 KB Output is correct
24 Correct 258 ms 431480 KB Output is correct
25 Correct 252 ms 431608 KB Output is correct
26 Correct 251 ms 431480 KB Output is correct
27 Correct 249 ms 431608 KB Output is correct
28 Correct 249 ms 431480 KB Output is correct
29 Correct 251 ms 431608 KB Output is correct
30 Correct 245 ms 431648 KB Output is correct
31 Correct 247 ms 431480 KB Output is correct
32 Correct 251 ms 431480 KB Output is correct
33 Correct 250 ms 431480 KB Output is correct
34 Correct 253 ms 431480 KB Output is correct
35 Correct 255 ms 431480 KB Output is correct
36 Correct 243 ms 431608 KB Output is correct
37 Correct 245 ms 431480 KB Output is correct
38 Correct 252 ms 431736 KB Output is correct
39 Correct 247 ms 431608 KB Output is correct
40 Correct 251 ms 431480 KB Output is correct
41 Correct 254 ms 431608 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 262 ms 431480 KB Output is correct
2 Correct 243 ms 431612 KB Output is correct
3 Correct 248 ms 431608 KB Output is correct
4 Correct 247 ms 431608 KB Output is correct
5 Correct 253 ms 431608 KB Output is correct
6 Correct 243 ms 431608 KB Output is correct
7 Correct 239 ms 431608 KB Output is correct
8 Correct 253 ms 431612 KB Output is correct
9 Correct 247 ms 431608 KB Output is correct
10 Correct 263 ms 431608 KB Output is correct
11 Correct 251 ms 431736 KB Output is correct
12 Correct 244 ms 431612 KB Output is correct
13 Correct 247 ms 431608 KB Output is correct
14 Correct 246 ms 431608 KB Output is correct
15 Correct 257 ms 431480 KB Output is correct
16 Correct 247 ms 431480 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 265 ms 431480 KB Output is correct
2 Correct 257 ms 431576 KB Output is correct
3 Correct 258 ms 431468 KB Output is correct
4 Correct 271 ms 431480 KB Output is correct
5 Correct 256 ms 431544 KB Output is correct
6 Correct 257 ms 431536 KB Output is correct
7 Correct 255 ms 431480 KB Output is correct
8 Correct 262 ms 431608 KB Output is correct
9 Correct 258 ms 431572 KB Output is correct
10 Correct 258 ms 431480 KB Output is correct
11 Correct 245 ms 431636 KB Output is correct
12 Correct 255 ms 431584 KB Output is correct
13 Correct 254 ms 431608 KB Output is correct
14 Correct 259 ms 431568 KB Output is correct
15 Correct 265 ms 431480 KB Output is correct
16 Correct 258 ms 431584 KB Output is correct
17 Correct 248 ms 431492 KB Output is correct
18 Correct 260 ms 431480 KB Output is correct
19 Correct 246 ms 431584 KB Output is correct
20 Correct 262 ms 431608 KB Output is correct
21 Correct 246 ms 431480 KB Output is correct
22 Correct 255 ms 431648 KB Output is correct
23 Correct 255 ms 431608 KB Output is correct
24 Correct 258 ms 431480 KB Output is correct
25 Correct 252 ms 431608 KB Output is correct
26 Correct 251 ms 431480 KB Output is correct
27 Correct 249 ms 431608 KB Output is correct
28 Correct 249 ms 431480 KB Output is correct
29 Correct 251 ms 431608 KB Output is correct
30 Correct 245 ms 431648 KB Output is correct
31 Correct 247 ms 431480 KB Output is correct
32 Correct 251 ms 431480 KB Output is correct
33 Correct 250 ms 431480 KB Output is correct
34 Correct 253 ms 431480 KB Output is correct
35 Correct 255 ms 431480 KB Output is correct
36 Correct 243 ms 431608 KB Output is correct
37 Correct 245 ms 431480 KB Output is correct
38 Correct 252 ms 431736 KB Output is correct
39 Correct 247 ms 431608 KB Output is correct
40 Correct 251 ms 431480 KB Output is correct
41 Correct 254 ms 431608 KB Output is correct
42 Correct 262 ms 431480 KB Output is correct
43 Correct 243 ms 431612 KB Output is correct
44 Correct 248 ms 431608 KB Output is correct
45 Correct 247 ms 431608 KB Output is correct
46 Correct 253 ms 431608 KB Output is correct
47 Correct 243 ms 431608 KB Output is correct
48 Correct 239 ms 431608 KB Output is correct
49 Correct 253 ms 431612 KB Output is correct
50 Correct 247 ms 431608 KB Output is correct
51 Correct 263 ms 431608 KB Output is correct
52 Correct 251 ms 431736 KB Output is correct
53 Correct 244 ms 431612 KB Output is correct
54 Correct 247 ms 431608 KB Output is correct
55 Correct 246 ms 431608 KB Output is correct
56 Correct 257 ms 431480 KB Output is correct
57 Correct 247 ms 431480 KB Output is correct
58 Execution timed out 699 ms 431736 KB Time limit exceeded
59 Halted 0 ms 0 KB -