oj.uz

Submission #147157

# Submission time Handle Problem Language Result Execution time Memory
147157 2019-08-28T06:17:52 Z jh05013 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 219 ms 163072 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define dbgv(V) for(auto x:V)cout<<x<<' ';cout<<endl;
#define FOR(a,n) for(int a=0;a<n;a++)
void OJize(){cin.tie(NULL); ios_base::sync_with_stdio(false);}

#define ZZ 401
#define INF 999999
int dp[ZZ][ZZ][ZZ][3];
int acc[3][ZZ];
// (r,g,y) counts, last R/G/B ... +1

vector<int> R, G, Y;
void upd(int r, int g, int y, int prev, int cur){
    // Where is the new vegetable?
    int pos=0, nr=r, ng=g, ny=y;
    if(cur == 0)      pos = R[r], nr++;
    else if(cur == 1) pos = G[g], ng++;
    else              pos = Y[y], ny++;
    // How much was it pushed to the right?
    int rig=0;
    if(cur != 0) rig+= max(0, r-acc[0][pos]);
    if(cur != 1) rig+= max(0, g-acc[1][pos]);
    if(cur != 2) rig+= max(0, y-acc[2][pos]);
    // Where is the desired position?
    int goal = r+g+y;
    int nv = dp[r][g][y][prev] + pos+rig-goal;
    dp[nr][ng][ny][cur] = min(dp[nr][ng][ny][cur], nv);
}

int main(){OJize();
    int n; cin>>n;
    string s; cin>>s;
    FOR(i,n){
        if(i) FOR(j,3) acc[j][i] = acc[j][i-1];
        if(s[i] == 'R')      R.push_back(i), acc[0][i]++;
        else if(s[i] == 'G') G.push_back(i), acc[1][i]++;
        else                 Y.push_back(i), acc[2][i]++;
    }
    int RSZ = R.size(), GSZ = G.size(), YSZ = Y.size();
    FOR(r,RSZ+1) FOR(g,GSZ+1) FOR(y,YSZ+1) FOR(i,3) dp[r][g][y][i] = INF;
    FOR(i,3) dp[0][0][0][i] = 0;

    FOR(r,RSZ+1) FOR(g,GSZ+1) FOR(y,YSZ+1){
        if(r != RSZ) upd(r,g,y,1,0), upd(r,g,y,2,0);
        if(g != GSZ) upd(r,g,y,0,1), upd(r,g,y,2,1);
        if(y != YSZ) upd(r,g,y,0,2), upd(r,g,y,1,2);
    }
    int ans = INF;
    FOR(i, 3) ans = min(ans, dp[RSZ][GSZ][YSZ][i]);
    cout << ((ans == INF)? -1 : ans);
}

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 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 476 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 760 KB Output is correct
11 Correct 3 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 504 KB Output is correct
16 Correct 2 ms 548 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 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 476 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 760 KB Output is correct
11 Correct 3 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 504 KB Output is correct
16 Correct 2 ms 548 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 4 ms 2424 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 4 ms 1784 KB Output is correct
23 Correct 4 ms 2168 KB Output is correct
24 Correct 4 ms 1656 KB Output is correct
25 Correct 5 ms 3960 KB Output is correct
26 Correct 5 ms 4216 KB Output is correct
27 Correct 5 ms 3116 KB Output is correct
28 Correct 4 ms 2424 KB Output is correct
29 Correct 4 ms 2324 KB Output is correct
30 Correct 4 ms 2296 KB Output is correct
31 Correct 4 ms 2088 KB Output is correct
32 Correct 4 ms 2424 KB Output is correct
33 Correct 5 ms 3836 KB Output is correct
34 Correct 5 ms 3592 KB Output is correct
35 Correct 4 ms 2780 KB Output is correct
36 Correct 4 ms 2040 KB Output is correct
37 Correct 4 ms 1784 KB Output is correct
38 Correct 4 ms 2168 KB Output is correct
39 Correct 4 ms 2424 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 4 ms 2296 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 127 ms 162936 KB Output is correct
3 Correct 127 ms 162296 KB Output is correct
4 Correct 128 ms 162944 KB Output is correct
5 Correct 129 ms 162936 KB Output is correct
6 Correct 127 ms 163064 KB Output is correct
7 Correct 126 ms 162168 KB Output is correct
8 Correct 135 ms 162252 KB Output is correct
9 Correct 136 ms 161332 KB Output is correct
10 Correct 128 ms 163072 KB Output is correct
11 Correct 128 ms 163064 KB Output is correct
12 Correct 37 ms 44000 KB Output is correct
13 Correct 62 ms 77192 KB Output is correct
14 Correct 87 ms 111352 KB Output is correct
15 Correct 127 ms 163028 KB Output is correct
16 Correct 129 ms 162936 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 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 476 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 760 KB Output is correct
11 Correct 3 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 504 KB Output is correct
16 Correct 2 ms 548 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 4 ms 2424 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 4 ms 1784 KB Output is correct
23 Correct 4 ms 2168 KB Output is correct
24 Correct 4 ms 1656 KB Output is correct
25 Correct 5 ms 3960 KB Output is correct
26 Correct 5 ms 4216 KB Output is correct
27 Correct 5 ms 3116 KB Output is correct
28 Correct 4 ms 2424 KB Output is correct
29 Correct 4 ms 2324 KB Output is correct
30 Correct 4 ms 2296 KB Output is correct
31 Correct 4 ms 2088 KB Output is correct
32 Correct 4 ms 2424 KB Output is correct
33 Correct 5 ms 3836 KB Output is correct
34 Correct 5 ms 3592 KB Output is correct
35 Correct 4 ms 2780 KB Output is correct
36 Correct 4 ms 2040 KB Output is correct
37 Correct 4 ms 1784 KB Output is correct
38 Correct 4 ms 2168 KB Output is correct
39 Correct 4 ms 2424 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 4 ms 2296 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 127 ms 162936 KB Output is correct
44 Correct 127 ms 162296 KB Output is correct
45 Correct 128 ms 162944 KB Output is correct
46 Correct 129 ms 162936 KB Output is correct
47 Correct 127 ms 163064 KB Output is correct
48 Correct 126 ms 162168 KB Output is correct
49 Correct 135 ms 162252 KB Output is correct
50 Correct 136 ms 161332 KB Output is correct
51 Correct 128 ms 163072 KB Output is correct
52 Correct 128 ms 163064 KB Output is correct
53 Correct 37 ms 44000 KB Output is correct
54 Correct 62 ms 77192 KB Output is correct
55 Correct 87 ms 111352 KB Output is correct
56 Correct 127 ms 163028 KB Output is correct
57 Correct 129 ms 162936 KB Output is correct
58 Correct 179 ms 75572 KB Output is correct
59 Correct 196 ms 95740 KB Output is correct
60 Correct 189 ms 87160 KB Output is correct
61 Correct 186 ms 83992 KB Output is correct
62 Correct 136 ms 160692 KB Output is correct
63 Correct 147 ms 160172 KB Output is correct
64 Correct 194 ms 150184 KB Output is correct
65 Correct 219 ms 138744 KB Output is correct
66 Correct 185 ms 85368 KB Output is correct
67 Correct 183 ms 82140 KB Output is correct
68 Correct 189 ms 87928 KB Output is correct
69 Correct 188 ms 84744 KB Output is correct
70 Correct 202 ms 91768 KB Output is correct
71 Correct 185 ms 83224 KB Output is correct
72 Correct 71 ms 41208 KB Output is correct
73 Correct 11 ms 2808 KB Output is correct