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Submission #129104

# Submission time Handle Problem Language Result Execution time Memory
129104 2019-07-11T16:11:48 Z miguel Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 127 ms 163136 KB 
#include<bits/stdc++.h>
using namespace std;
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define sz size()
#define x first
#define y second
#define pi pair <int, int>
#define pii pair <int, pi>
#define vi vector <int>
const ll mod = 1e9 + 7;
int n, dp[405][405][405][3], cnt[3];
string s;
vector<pii> v[3];

int get(char c){
    if(c=='R') return 0;
    else if(c=='G') return 1;
    else return 2;
}

int dst(pii a, pii b){
    return abs(a.x-b.x)+abs(a.y.x-b.y.x)+abs(a.y.y-b.y.y);
}

int32_t main(){
    ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
    cin>>n>>s;
    for(int i=0; i<n; i++){
        int x=get(s[i]);
        cnt[x]++;
        v[x].pb({cnt[0], {cnt[1], cnt[2]}});
    }
    int rr=v[0].sz, gg=v[1].sz, yy=v[2].sz;
    if(max(rr, max(gg, yy))>(n+1)/2) return cout<<"-1", 0;
    for(int r=0; r<=rr; r++){
        for(int g=0; g<=gg; g++){
            for(int y=0; y<=yy; y++){
                int sum=r+g+y;
                if(sum==0) continue;
                dp[r][g][y][0]=dp[r][g][y][1]=dp[r][g][y][2]=1e9;
                if(r) dp[r][g][y][0]=min(dp[r-1][g][y][1], dp[r-1][g][y][2])+dst(v[0][r-1], {r, {g, y}});
                if(g) dp[r][g][y][1]=min(dp[r][g-1][y][2], dp[r][g-1][y][0])+dst(v[1][g-1], {r, {g, y}});
                if(y) dp[r][g][y][2]=min(dp[r][g][y-1][0], dp[r][g][y-1][1])+dst(v[2][y-1], {r, {g, y}});
            }
        }
    }
    cout<<min(dp[rr][gg][yy][0], min(dp[rr][gg][yy][1], dp[rr][gg][yy][2]))/2;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 4 ms 2296 KB Output is correct
19 Correct 3 ms 1912 KB Output is correct
20 Correct 4 ms 2296 KB Output is correct
21 Correct 4 ms 2424 KB Output is correct
22 Correct 3 ms 1788 KB Output is correct
23 Correct 4 ms 2168 KB Output is correct
24 Correct 3 ms 1656 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 4 ms 3064 KB Output is correct
28 Correct 4 ms 2424 KB Output is correct
29 Correct 4 ms 2296 KB Output is correct
30 Correct 4 ms 2296 KB Output is correct
31 Correct 3 ms 2040 KB Output is correct
32 Correct 4 ms 2424 KB Output is correct
33 Correct 2 ms 380 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 4 ms 2732 KB Output is correct
36 Correct 3 ms 1912 KB Output is correct
37 Correct 3 ms 1784 KB Output is correct
38 Correct 3 ms 2168 KB Output is correct
39 Correct 4 ms 2296 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 123 ms 163024 KB Output is correct
3 Correct 122 ms 162160 KB Output is correct
4 Correct 124 ms 163064 KB Output is correct
5 Correct 125 ms 163136 KB Output is correct
6 Correct 122 ms 163064 KB Output is correct
7 Correct 122 ms 162168 KB Output is correct
8 Correct 122 ms 162140 KB Output is correct
9 Correct 122 ms 161400 KB Output is correct
10 Correct 122 ms 163064 KB Output is correct
11 Correct 124 ms 163016 KB Output is correct
12 Correct 35 ms 44024 KB Output is correct
13 Correct 59 ms 77176 KB Output is correct
14 Correct 92 ms 111372 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 4 ms 2296 KB Output is correct
19 Correct 3 ms 1912 KB Output is correct
20 Correct 4 ms 2296 KB Output is correct
21 Correct 4 ms 2424 KB Output is correct
22 Correct 3 ms 1788 KB Output is correct
23 Correct 4 ms 2168 KB Output is correct
24 Correct 3 ms 1656 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 4 ms 3064 KB Output is correct
28 Correct 4 ms 2424 KB Output is correct
29 Correct 4 ms 2296 KB Output is correct
30 Correct 4 ms 2296 KB Output is correct
31 Correct 3 ms 2040 KB Output is correct
32 Correct 4 ms 2424 KB Output is correct
33 Correct 2 ms 380 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 4 ms 2732 KB Output is correct
36 Correct 3 ms 1912 KB Output is correct
37 Correct 3 ms 1784 KB Output is correct
38 Correct 3 ms 2168 KB Output is correct
39 Correct 4 ms 2296 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 123 ms 163024 KB Output is correct
44 Correct 122 ms 162160 KB Output is correct
45 Correct 124 ms 163064 KB Output is correct
46 Correct 125 ms 163136 KB Output is correct
47 Correct 122 ms 163064 KB Output is correct
48 Correct 122 ms 162168 KB Output is correct
49 Correct 122 ms 162140 KB Output is correct
50 Correct 122 ms 161400 KB Output is correct
51 Correct 122 ms 163064 KB Output is correct
52 Correct 124 ms 163016 KB Output is correct
53 Correct 35 ms 44024 KB Output is correct
54 Correct 59 ms 77176 KB Output is correct
55 Correct 92 ms 111372 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 84 ms 76280 KB Output is correct
59 Correct 100 ms 96760 KB Output is correct
60 Correct 93 ms 87792 KB Output is correct
61 Correct 91 ms 84940 KB Output is correct
62 Correct 2 ms 376 KB Output is correct
63 Correct 124 ms 160272 KB Output is correct
64 Correct 127 ms 150168 KB Output is correct
65 Correct 124 ms 138616 KB Output is correct
66 Correct 91 ms 86136 KB Output is correct
67 Correct 89 ms 83064 KB Output is correct
68 Correct 94 ms 88696 KB Output is correct
69 Correct 92 ms 85496 KB Output is correct
70 Correct 100 ms 92668 KB Output is correct
71 Correct 92 ms 84088 KB Output is correct
72 Correct 2 ms 376 KB Output is correct
73 Correct 2 ms 416 KB Output is correct