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답안 #265428

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
265428 2020-08-14T20:27:48 Z MKopchev Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 328 ms 97272 KB 
#include<bits/stdc++.h>
using namespace std;
const int nmax=400+5;

int n;
int inp[nmax];

int where[3][nmax],pointer[3];

int dp[3][nmax/2][nmax/2][nmax/2];

int cnt[3][nmax];

int rec(int prv,int cnt_0,int cnt_1,int cnt_2)
{
    //cout<<prv<<" "<<cnt_0<<" "<<cnt_1<<" "<<cnt_2<<endl;

    if(cnt_0==pointer[0]&&cnt_1==pointer[1]&&cnt_2==pointer[2])return 0;

    if(prv!=-1&&dp[prv][cnt_0][cnt_1][cnt_2]!=-1)return dp[prv][cnt_0][cnt_1][cnt_2];

    int seen[3]={cnt_0,cnt_1,cnt_2};

    int ret=1e9;

    for(int cur=0;cur<3;cur++)
        if(cur!=prv&&seen[cur]<pointer[cur])
        {
            int would=where[cur][seen[cur]+1],should=cnt_0+cnt_1+cnt_2+1;

            int add=0;

            for(int t=0;t<3;t++)
                if(t!=cur)
                    add=add+max(0,seen[t]-cnt[t][would]);

            //cout<<cnt_0<<" "<<cnt_1<<" "<<cnt_2<<" "<<would<<" "<<add<<" "<<should<<endl;

            ret=min(ret,abs(would+add-should)+rec(cur,cnt_0+(cur==0),cnt_1+(cur==1),cnt_2+(cur==2)));
        }
    if(prv!=-1)dp[prv][cnt_0][cnt_1][cnt_2]=ret;
    return ret;
}
int main()
{
    memset(dp,-1,sizeof(dp));
    scanf("%i",&n);
    for(int i=1;i<=n;i++)
    {
        char c=getchar();
        while(c!='R'&&c!='G'&&c!='Y')c=getchar();

        if(c=='R')inp[i]=0;
        if(c=='G')inp[i]=1;
        if(c=='Y')inp[i]=2;

        pointer[inp[i]]++;
        where[inp[i]][pointer[inp[i]]]=i;

        cnt[0][i]=cnt[0][i-1]+(inp[i]==0);
        cnt[1][i]=cnt[1][i-1]+(inp[i]==1);
        cnt[2][i]=cnt[2][i-1]+(inp[i]==2);
    }

    int MX=(n+1)/2;
    if(pointer[0]>MX||pointer[1]>MX||pointer[2]>MX)
    {
        printf("-1\n");
        return 0;
    }

    printf("%i\n",rec(-1,0,0,0));
    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:47:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   47 |     scanf("%i",&n);
      |     ~~~~~^~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 60 ms 97072 KB Output is correct
2 Correct 65 ms 97152 KB Output is correct
3 Correct 55 ms 97144 KB Output is correct
4 Correct 55 ms 97144 KB Output is correct
5 Correct 62 ms 97144 KB Output is correct
6 Correct 56 ms 97144 KB Output is correct
7 Correct 55 ms 97144 KB Output is correct
8 Correct 56 ms 97144 KB Output is correct
9 Correct 73 ms 97144 KB Output is correct
10 Correct 55 ms 97144 KB Output is correct
11 Correct 75 ms 97144 KB Output is correct
12 Correct 56 ms 97144 KB Output is correct
13 Correct 55 ms 97144 KB Output is correct
14 Correct 56 ms 97144 KB Output is correct
15 Correct 56 ms 97144 KB Output is correct
16 Correct 59 ms 97124 KB Output is correct
17 Correct 54 ms 97052 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 60 ms 97072 KB Output is correct
2 Correct 65 ms 97152 KB Output is correct
3 Correct 55 ms 97144 KB Output is correct
4 Correct 55 ms 97144 KB Output is correct
5 Correct 62 ms 97144 KB Output is correct
6 Correct 56 ms 97144 KB Output is correct
7 Correct 55 ms 97144 KB Output is correct
8 Correct 56 ms 97144 KB Output is correct
9 Correct 73 ms 97144 KB Output is correct
10 Correct 55 ms 97144 KB Output is correct
11 Correct 75 ms 97144 KB Output is correct
12 Correct 56 ms 97144 KB Output is correct
13 Correct 55 ms 97144 KB Output is correct
14 Correct 56 ms 97144 KB Output is correct
15 Correct 56 ms 97144 KB Output is correct
16 Correct 59 ms 97124 KB Output is correct
17 Correct 54 ms 97052 KB Output is correct
18 Correct 55 ms 97144 KB Output is correct
19 Correct 56 ms 97144 KB Output is correct
20 Correct 58 ms 97144 KB Output is correct
21 Correct 63 ms 97144 KB Output is correct
22 Correct 57 ms 97144 KB Output is correct
23 Correct 61 ms 97144 KB Output is correct
24 Correct 66 ms 97144 KB Output is correct
25 Correct 64 ms 97144 KB Output is correct
26 Correct 62 ms 97144 KB Output is correct
27 Correct 63 ms 97144 KB Output is correct
28 Correct 60 ms 97144 KB Output is correct
29 Correct 64 ms 97104 KB Output is correct
30 Correct 62 ms 97076 KB Output is correct
31 Correct 57 ms 97036 KB Output is correct
32 Correct 55 ms 97144 KB Output is correct
33 Correct 61 ms 97144 KB Output is correct
34 Correct 54 ms 97144 KB Output is correct
35 Correct 57 ms 97144 KB Output is correct
36 Correct 66 ms 97136 KB Output is correct
37 Correct 59 ms 97144 KB Output is correct
38 Correct 65 ms 97148 KB Output is correct
39 Correct 60 ms 97040 KB Output is correct
40 Correct 54 ms 97144 KB Output is correct
41 Correct 69 ms 97148 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 53 ms 97144 KB Output is correct
2 Correct 60 ms 97144 KB Output is correct
3 Correct 64 ms 97144 KB Output is correct
4 Correct 58 ms 97144 KB Output is correct
5 Correct 58 ms 97144 KB Output is correct
6 Correct 55 ms 97144 KB Output is correct
7 Correct 60 ms 97144 KB Output is correct
8 Correct 58 ms 97144 KB Output is correct
9 Correct 55 ms 97144 KB Output is correct
10 Correct 60 ms 97120 KB Output is correct
11 Correct 58 ms 97144 KB Output is correct
12 Correct 61 ms 97144 KB Output is correct
13 Correct 54 ms 97144 KB Output is correct
14 Correct 60 ms 97108 KB Output is correct
15 Correct 60 ms 97144 KB Output is correct
16 Correct 54 ms 97144 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 60 ms 97072 KB Output is correct
2 Correct 65 ms 97152 KB Output is correct
3 Correct 55 ms 97144 KB Output is correct
4 Correct 55 ms 97144 KB Output is correct
5 Correct 62 ms 97144 KB Output is correct
6 Correct 56 ms 97144 KB Output is correct
7 Correct 55 ms 97144 KB Output is correct
8 Correct 56 ms 97144 KB Output is correct
9 Correct 73 ms 97144 KB Output is correct
10 Correct 55 ms 97144 KB Output is correct
11 Correct 75 ms 97144 KB Output is correct
12 Correct 56 ms 97144 KB Output is correct
13 Correct 55 ms 97144 KB Output is correct
14 Correct 56 ms 97144 KB Output is correct
15 Correct 56 ms 97144 KB Output is correct
16 Correct 59 ms 97124 KB Output is correct
17 Correct 54 ms 97052 KB Output is correct
18 Correct 55 ms 97144 KB Output is correct
19 Correct 56 ms 97144 KB Output is correct
20 Correct 58 ms 97144 KB Output is correct
21 Correct 63 ms 97144 KB Output is correct
22 Correct 57 ms 97144 KB Output is correct
23 Correct 61 ms 97144 KB Output is correct
24 Correct 66 ms 97144 KB Output is correct
25 Correct 64 ms 97144 KB Output is correct
26 Correct 62 ms 97144 KB Output is correct
27 Correct 63 ms 97144 KB Output is correct
28 Correct 60 ms 97144 KB Output is correct
29 Correct 64 ms 97104 KB Output is correct
30 Correct 62 ms 97076 KB Output is correct
31 Correct 57 ms 97036 KB Output is correct
32 Correct 55 ms 97144 KB Output is correct
33 Correct 61 ms 97144 KB Output is correct
34 Correct 54 ms 97144 KB Output is correct
35 Correct 57 ms 97144 KB Output is correct
36 Correct 66 ms 97136 KB Output is correct
37 Correct 59 ms 97144 KB Output is correct
38 Correct 65 ms 97148 KB Output is correct
39 Correct 60 ms 97040 KB Output is correct
40 Correct 54 ms 97144 KB Output is correct
41 Correct 69 ms 97148 KB Output is correct
42 Correct 53 ms 97144 KB Output is correct
43 Correct 60 ms 97144 KB Output is correct
44 Correct 64 ms 97144 KB Output is correct
45 Correct 58 ms 97144 KB Output is correct
46 Correct 58 ms 97144 KB Output is correct
47 Correct 55 ms 97144 KB Output is correct
48 Correct 60 ms 97144 KB Output is correct
49 Correct 58 ms 97144 KB Output is correct
50 Correct 55 ms 97144 KB Output is correct
51 Correct 60 ms 97120 KB Output is correct
52 Correct 58 ms 97144 KB Output is correct
53 Correct 61 ms 97144 KB Output is correct
54 Correct 54 ms 97144 KB Output is correct
55 Correct 60 ms 97108 KB Output is correct
56 Correct 60 ms 97144 KB Output is correct
57 Correct 54 ms 97144 KB Output is correct
58 Correct 328 ms 97272 KB Output is correct
59 Correct 230 ms 97144 KB Output is correct
60 Correct 234 ms 97144 KB Output is correct
61 Correct 256 ms 97144 KB Output is correct
62 Correct 56 ms 97148 KB Output is correct
63 Correct 60 ms 97144 KB Output is correct
64 Correct 83 ms 97144 KB Output is correct
65 Correct 125 ms 97144 KB Output is correct
66 Correct 258 ms 97144 KB Output is correct
67 Correct 215 ms 97144 KB Output is correct
68 Correct 250 ms 97144 KB Output is correct
69 Correct 234 ms 97144 KB Output is correct
70 Correct 226 ms 97144 KB Output is correct
71 Correct 218 ms 97144 KB Output is correct
72 Correct 54 ms 97144 KB Output is correct
73 Correct 59 ms 97060 KB Output is correct