oj.uz

Submission #200211

# Submission time Handle Problem Language Result Execution time Memory
200211 2020-02-05T17:04:54 Z mdn2002 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
75 / 100
 500 ms 18808 KB 
#include<bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
int n,dp[4][105][105][105];
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;
            for(int j=0;j<ig;j++)
            {
                if(v[1][j]>id)ad++;
            }
            for(int j=0;j<iy;j++)
            {
                if(v[2][j]>id)ad++;
            }
            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;
            for(int j=0;j<ir;j++)
            {
                if(v[0][j]>id)ad++;
            }
            for(int j=0;j<iy;j++)
            {
                if(v[2][j]>id)ad++;
            }
            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;
            for(int j=0;j<ir;j++)
            {
                if(v[0][j]>id)ad++;
            }
            for(int j=0;j<ig;j++)
            {
                if(v[1][j]>id)ad++;
            }
            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 ans=f(3,0,0,0);
    if(ans>=1e8)cout<<-1;
    else 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:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(ig==v[1].size())continue;
                ~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:45:18: 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

# Verdict Execution time Memory Grader output
1 Correct 15 ms 18424 KB Output is correct
2 Correct 18 ms 18424 KB Output is correct
3 Correct 15 ms 18424 KB Output is correct
4 Correct 15 ms 18424 KB Output is correct
5 Correct 16 ms 18424 KB Output is correct
6 Correct 15 ms 18456 KB Output is correct
7 Correct 16 ms 18424 KB Output is correct
8 Correct 15 ms 18424 KB Output is correct
9 Correct 16 ms 18424 KB Output is correct
10 Correct 16 ms 18424 KB Output is correct
11 Correct 15 ms 18424 KB Output is correct
12 Correct 15 ms 18424 KB Output is correct
13 Correct 16 ms 18424 KB Output is correct
14 Correct 17 ms 18424 KB Output is correct
15 Correct 18 ms 18424 KB Output is correct
16 Correct 17 ms 18424 KB Output is correct
17 Correct 15 ms 18424 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 18424 KB Output is correct
2 Correct 18 ms 18424 KB Output is correct
3 Correct 15 ms 18424 KB Output is correct
4 Correct 15 ms 18424 KB Output is correct
5 Correct 16 ms 18424 KB Output is correct
6 Correct 15 ms 18456 KB Output is correct
7 Correct 16 ms 18424 KB Output is correct
8 Correct 15 ms 18424 KB Output is correct
9 Correct 16 ms 18424 KB Output is correct
10 Correct 16 ms 18424 KB Output is correct
11 Correct 15 ms 18424 KB Output is correct
12 Correct 15 ms 18424 KB Output is correct
13 Correct 16 ms 18424 KB Output is correct
14 Correct 17 ms 18424 KB Output is correct
15 Correct 18 ms 18424 KB Output is correct
16 Correct 17 ms 18424 KB Output is correct
17 Correct 15 ms 18424 KB Output is correct
18 Correct 19 ms 18424 KB Output is correct
19 Correct 17 ms 18424 KB Output is correct
20 Correct 17 ms 18424 KB Output is correct
21 Correct 18 ms 18488 KB Output is correct
22 Correct 16 ms 18424 KB Output is correct
23 Correct 17 ms 18424 KB Output is correct
24 Correct 18 ms 18424 KB Output is correct
25 Correct 15 ms 18424 KB Output is correct
26 Correct 15 ms 18428 KB Output is correct
27 Correct 16 ms 18428 KB Output is correct
28 Correct 17 ms 18424 KB Output is correct
29 Correct 17 ms 18424 KB Output is correct
30 Correct 17 ms 18424 KB Output is correct
31 Correct 17 ms 18552 KB Output is correct
32 Correct 16 ms 18424 KB Output is correct
33 Correct 15 ms 18424 KB Output is correct
34 Correct 15 ms 18424 KB Output is correct
35 Correct 16 ms 18424 KB Output is correct
36 Correct 16 ms 18424 KB Output is correct
37 Correct 16 ms 18400 KB Output is correct
38 Correct 16 ms 18424 KB Output is correct
39 Correct 16 ms 18424 KB Output is correct
40 Correct 15 ms 18424 KB Output is correct
41 Correct 15 ms 18424 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 18424 KB Output is correct
2 Correct 17 ms 18552 KB Output is correct
3 Correct 15 ms 18552 KB Output is correct
4 Correct 15 ms 18552 KB Output is correct
5 Correct 17 ms 18552 KB Output is correct
6 Correct 16 ms 18552 KB Output is correct
7 Correct 15 ms 18552 KB Output is correct
8 Correct 16 ms 18552 KB Output is correct
9 Correct 15 ms 18556 KB Output is correct
10 Correct 15 ms 18552 KB Output is correct
11 Correct 15 ms 18552 KB Output is correct
12 Correct 15 ms 18424 KB Output is correct
13 Correct 15 ms 18552 KB Output is correct
14 Correct 15 ms 18556 KB Output is correct
15 Correct 16 ms 18552 KB Output is correct
16 Correct 15 ms 18552 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 18424 KB Output is correct
2 Correct 18 ms 18424 KB Output is correct
3 Correct 15 ms 18424 KB Output is correct
4 Correct 15 ms 18424 KB Output is correct
5 Correct 16 ms 18424 KB Output is correct
6 Correct 15 ms 18456 KB Output is correct
7 Correct 16 ms 18424 KB Output is correct
8 Correct 15 ms 18424 KB Output is correct
9 Correct 16 ms 18424 KB Output is correct
10 Correct 16 ms 18424 KB Output is correct
11 Correct 15 ms 18424 KB Output is correct
12 Correct 15 ms 18424 KB Output is correct
13 Correct 16 ms 18424 KB Output is correct
14 Correct 17 ms 18424 KB Output is correct
15 Correct 18 ms 18424 KB Output is correct
16 Correct 17 ms 18424 KB Output is correct
17 Correct 15 ms 18424 KB Output is correct
18 Correct 19 ms 18424 KB Output is correct
19 Correct 17 ms 18424 KB Output is correct
20 Correct 17 ms 18424 KB Output is correct
21 Correct 18 ms 18488 KB Output is correct
22 Correct 16 ms 18424 KB Output is correct
23 Correct 17 ms 18424 KB Output is correct
24 Correct 18 ms 18424 KB Output is correct
25 Correct 15 ms 18424 KB Output is correct
26 Correct 15 ms 18428 KB Output is correct
27 Correct 16 ms 18428 KB Output is correct
28 Correct 17 ms 18424 KB Output is correct
29 Correct 17 ms 18424 KB Output is correct
30 Correct 17 ms 18424 KB Output is correct
31 Correct 17 ms 18552 KB Output is correct
32 Correct 16 ms 18424 KB Output is correct
33 Correct 15 ms 18424 KB Output is correct
34 Correct 15 ms 18424 KB Output is correct
35 Correct 16 ms 18424 KB Output is correct
36 Correct 16 ms 18424 KB Output is correct
37 Correct 16 ms 18400 KB Output is correct
38 Correct 16 ms 18424 KB Output is correct
39 Correct 16 ms 18424 KB Output is correct
40 Correct 15 ms 18424 KB Output is correct
41 Correct 15 ms 18424 KB Output is correct
42 Correct 15 ms 18424 KB Output is correct
43 Correct 17 ms 18552 KB Output is correct
44 Correct 15 ms 18552 KB Output is correct
45 Correct 15 ms 18552 KB Output is correct
46 Correct 17 ms 18552 KB Output is correct
47 Correct 16 ms 18552 KB Output is correct
48 Correct 15 ms 18552 KB Output is correct
49 Correct 16 ms 18552 KB Output is correct
50 Correct 15 ms 18556 KB Output is correct
51 Correct 15 ms 18552 KB Output is correct
52 Correct 15 ms 18552 KB Output is correct
53 Correct 15 ms 18424 KB Output is correct
54 Correct 15 ms 18552 KB Output is correct
55 Correct 15 ms 18556 KB Output is correct
56 Correct 16 ms 18552 KB Output is correct
57 Correct 15 ms 18552 KB Output is correct
58 Execution timed out 809 ms 18808 KB Time limit exceeded
59 Halted 0 ms 0 KB -