oj.uz

Submission #234484

# Submission time Handle Problem Language Result Execution time Memory
234484 2020-05-24T10:00:58 Z nicolaalexandra Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
75 / 100
 500 ms 163192 KB 
#include <bits/stdc++.h>
#define DIM 402
#define INF 2000000000
using namespace std;
int dp[DIM][DIM][DIM][3],cnt[3][DIM];
vector <int> poz[3];
char v[DIM];
int n,i,j,k;
int main (){

   // ifstream cin ("date.in");
   // ofstream cout ("date.out");

    cin>>n>>v+1;
    for (i=1;i<=n;i++){
        cnt[0][i] = cnt[0][i-1];
        cnt[1][i] = cnt[1][i-1];
        cnt[2][i] = cnt[2][i-1];

        if (v[i] == 'R'){
            poz[0].push_back(i);
            cnt[0][i]++;
        } else {
            if (v[i] == 'G'){
                poz[1].push_back(i);
                cnt[1][i]++;
            } else {
                poz[2].push_back(i);
                cnt[2][i]++;
            }
        }
    }

    /// dp[nr0][nr1][nr2][0/1/2]

    for (i=0;i<=poz[0].size();i++)
        for (j=0;j<=poz[1].size();j++)
            for (k=0;k<=poz[2].size();k++)
                dp[i][j][k][0] = dp[i][j][k][1] = dp[i][j][k][2] = INF;

    dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;

    int a = poz[0].size(), b = poz[1].size(), c = poz[2].size();

    for (i=1;i<=n;i++)
        for (int nr0=0;nr0<=min(i,a);nr0++)
            for (int nr1=0;nr1<=min(i,b);nr1++)
                for (int nr2=0;nr2<=min(i,c);nr2++){

                    if (nr0 + nr1 + nr2 > i)
                        continue;

                    /// incerc sa pun un 0
                    if (nr0){
                        int pos = poz[0][nr0-1];
                        int val = max (cnt[1][pos] - nr1,0) + max (cnt[2][pos] - nr2,0);

                        if (dp[nr0-1][nr1][nr2][1] != INF)
                            dp[nr0][nr1][nr2][0] = min (dp[nr0][nr1][nr2][0], dp[nr0-1][nr1][nr2][1] + val);
                        if (dp[nr0-1][nr1][nr2][2] != INF)
                            dp[nr0][nr1][nr2][0] = min (dp[nr0][nr1][nr2][0], dp[nr0-1][nr1][nr2][2] + val);
                    }

                    /// incerc sa pun 1
                    if (nr1){
                        int pos = poz[1][nr1-1];
                        int val = max (cnt[0][pos] - nr0,0) + max (cnt[2][pos] - nr2, 0);

                        if (dp[nr0][nr1-1][nr2][0] != INF)
                            dp[nr0][nr1][nr2][1] = min (dp[nr0][nr1][nr2][1], dp[nr0][nr1-1][nr2][0] + val);
                        if (dp[nr0][nr1-1][nr2][2] != INF)
                            dp[nr0][nr1][nr2][1] = min (dp[nr0][nr1][nr2][1], dp[nr0][nr1-1][nr2][2] + val);
                    }


                    /// incerec sa pun 2
                    if (nr2){
                        int pos = poz[2][nr2-1];
                        int val = max (cnt[0][pos] - nr0,0) + max (cnt[1][pos] - nr1, 0);

                        if (dp[nr0][nr1][nr2-1][0] != INF)
                            dp[nr0][nr1][nr2][2] = min (dp[nr0][nr1][nr2][2], dp[nr0][nr1][nr2-1][0] + val);
                        if (dp[nr0][nr1][nr2-1][1] != INF)
                            dp[nr0][nr1][nr2][2] = min (dp[nr0][nr1][nr2][2], dp[nr0][nr1][nr2-1][1] + val);
                    }
                }

    int sol = INF;
    sol = min (sol, dp[a][b][c][0]);
    sol = min (sol, dp[a][b][c][1]);
    sol = min (sol, dp[a][b][c][2]);

    if (sol == INF)
        cout<<-1;
    else cout<<sol;

    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:14:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     cin>>n>>v+1;
             ~^~
joi2019_ho_t3.cpp:36:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i=0;i<=poz[0].size();i++)
              ~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:37:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (j=0;j<=poz[1].size();j++)
                  ~^~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:38:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (k=0;k<=poz[2].size();k++)
                      ~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 8 ms 2304 KB Output is correct
19 Correct 8 ms 1920 KB Output is correct
20 Correct 8 ms 2304 KB Output is correct
21 Correct 8 ms 2432 KB Output is correct
22 Correct 7 ms 1664 KB Output is correct
23 Correct 11 ms 2304 KB Output is correct
24 Correct 8 ms 1664 KB Output is correct
25 Correct 6 ms 3968 KB Output is correct
26 Correct 7 ms 4224 KB Output is correct
27 Correct 8 ms 3072 KB Output is correct
28 Correct 12 ms 2304 KB Output is correct
29 Correct 12 ms 2304 KB Output is correct
30 Correct 8 ms 2304 KB Output is correct
31 Correct 8 ms 2048 KB Output is correct
32 Correct 9 ms 2432 KB Output is correct
33 Correct 7 ms 3840 KB Output is correct
34 Correct 7 ms 3584 KB Output is correct
35 Correct 8 ms 2688 KB Output is correct
36 Correct 8 ms 1920 KB Output is correct
37 Correct 7 ms 1792 KB Output is correct
38 Correct 8 ms 2176 KB Output is correct
39 Correct 8 ms 2304 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 6 ms 2176 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 257 ms 163064 KB Output is correct
3 Correct 240 ms 162296 KB Output is correct
4 Correct 229 ms 163068 KB Output is correct
5 Correct 241 ms 162936 KB Output is correct
6 Correct 251 ms 162936 KB Output is correct
7 Correct 249 ms 162168 KB Output is correct
8 Correct 235 ms 162168 KB Output is correct
9 Correct 268 ms 161400 KB Output is correct
10 Correct 245 ms 163064 KB Output is correct
11 Correct 229 ms 162936 KB Output is correct
12 Correct 41 ms 44032 KB Output is correct
13 Correct 80 ms 77304 KB Output is correct
14 Correct 132 ms 111352 KB Output is correct
15 Correct 233 ms 163192 KB Output is correct
16 Correct 247 ms 163192 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 8 ms 2304 KB Output is correct
19 Correct 8 ms 1920 KB Output is correct
20 Correct 8 ms 2304 KB Output is correct
21 Correct 8 ms 2432 KB Output is correct
22 Correct 7 ms 1664 KB Output is correct
23 Correct 11 ms 2304 KB Output is correct
24 Correct 8 ms 1664 KB Output is correct
25 Correct 6 ms 3968 KB Output is correct
26 Correct 7 ms 4224 KB Output is correct
27 Correct 8 ms 3072 KB Output is correct
28 Correct 12 ms 2304 KB Output is correct
29 Correct 12 ms 2304 KB Output is correct
30 Correct 8 ms 2304 KB Output is correct
31 Correct 8 ms 2048 KB Output is correct
32 Correct 9 ms 2432 KB Output is correct
33 Correct 7 ms 3840 KB Output is correct
34 Correct 7 ms 3584 KB Output is correct
35 Correct 8 ms 2688 KB Output is correct
36 Correct 8 ms 1920 KB Output is correct
37 Correct 7 ms 1792 KB Output is correct
38 Correct 8 ms 2176 KB Output is correct
39 Correct 8 ms 2304 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 6 ms 2176 KB Output is correct
42 Correct 4 ms 384 KB Output is correct
43 Correct 257 ms 163064 KB Output is correct
44 Correct 240 ms 162296 KB Output is correct
45 Correct 229 ms 163068 KB Output is correct
46 Correct 241 ms 162936 KB Output is correct
47 Correct 251 ms 162936 KB Output is correct
48 Correct 249 ms 162168 KB Output is correct
49 Correct 235 ms 162168 KB Output is correct
50 Correct 268 ms 161400 KB Output is correct
51 Correct 245 ms 163064 KB Output is correct
52 Correct 229 ms 162936 KB Output is correct
53 Correct 41 ms 44032 KB Output is correct
54 Correct 80 ms 77304 KB Output is correct
55 Correct 132 ms 111352 KB Output is correct
56 Correct 233 ms 163192 KB Output is correct
57 Correct 247 ms 163192 KB Output is correct
58 Execution timed out 1092 ms 75640 KB Time limit exceeded
59 Halted 0 ms 0 KB -