oj.uz

Submission #1075724

# Submission time Handle Problem Language Result Execution time Memory
1075724 2024-08-26T08:49:43 Z dosts Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 111 ms 29532 KB 
//Dost SEFEROĞLU
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<    
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e7;
const int N = 5001;

void solve() { 
    int n;
    cin >> n;
    string s;
    cin >> s;
    vi as,bs,cs;
    as.push_back(0),bs.push_back(0),cs.push_back(0);
    for (int i=0;i<n;i++) {
        if (s[i] == 'R') as.push_back(i+1);
        else if (s[i] == 'G') bs.push_back(i+1);
        else cs.push_back(i+1);
    }
    vi pa(n+1,0),pb(n+1,0),pc(n+1,0);
    for (int i=1;i<=n;i++) {
        pa[i] = pa[i-1],pb[i] = pb[i-1],pc[i] = pc[i-1];
        if (s[i-1] == 'R') pa[i]++;
        else if (s[i-1] == 'G') pb[i]++;
        else pc[i]++;
    }
    auto cost = [&](int a,int b,int c,int p) {
        int pos;
        if (p == 0) pos = as[a];
        else if (p == 1) pos = bs[b];
        else pos = pos = cs[c];
        int apos = min(a,pa[pos]),bpos = min(b,pb[pos]),cpos = min(c,pc[pos]);
        pos-=apos,pos-=bpos,pos-=cpos;
        return pos;
    };
    int sa = as.size(),sb = bs.size(),sc = cs.size();
    int dp[sa+1][sb+1][sc+1][3];
    for (int i=0;i<=sa;i++) for (int ii=0;ii<=sb;ii++) for (int iii=0;iii<=sc;iii++) for (int p=0;p<3;p++) dp[i][ii][iii][p] = inf;
    dp[1][0][0][0] = as[1]-1;
    dp[0][1][0][1] = bs[1]-1;
    dp[0][0][1][2] = cs[1]-1;
    for (int a=0;a<=sa-1;a++) {
        for (int b=0;b<=sb-1;b++) {
            for (int c=0;c<=sc-1;c++) {
                if ((a+b+c) <= 1) continue;
                vi dims{a,b,c};
                for (int p=0;p<3;p++) {
                    dp[a][b][c][p] = inf;
                    if (!dims[p]) continue;
                    dims[p]--;
                    int costy = cost(a,b,c,p);
                    for (int pp=0;pp<3;pp++) {
                        if (p == pp) continue;
                        if (dp[dims[0]][dims[1]][dims[2]][pp] >= inf) continue;
                        dp[a][b][c][p] = min(dp[a][b][c][p],
                        dp[dims[0]][dims[1]][dims[2]][pp]+costy);
                    }
                    dims[p]++;
                }
            }
        } 
    }
    int ans = min({dp[sa-1][sb-1][sc-1][0],
                 dp[sa-1][sb-1][sc-1][1],      
                 dp[sa-1][sb-1][sc-1][2]});
    if (ans >= inf) cout << -1 << endl;
    else cout << ans << endl;
}
 
signed main() { 
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    #ifdef Dodi
        freopen("in.txt","r",stdin);
        freopen("out.txt","w",stdout);
    #endif
    int t = 1;
    //cin >> t; 
    while (t --> 0) solve();
}

Compilation message

joi2019_ho_t3.cpp: In lambda function:
joi2019_ho_t3.cpp:37:18: warning: operation on 'pos' may be undefined [-Wsequence-point]
   37 |         else pos = pos = cs[c];

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 452 KB Output is correct
17 Correct 0 ms 348 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 452 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 2 ms 1372 KB Output is correct
3 Correct 2 ms 1420 KB Output is correct
4 Correct 2 ms 1424 KB Output is correct
5 Correct 2 ms 1372 KB Output is correct
6 Correct 2 ms 1372 KB Output is correct
7 Correct 3 ms 1368 KB Output is correct
8 Correct 2 ms 1372 KB Output is correct
9 Correct 2 ms 1372 KB Output is correct
10 Correct 2 ms 1372 KB Output is correct
11 Correct 2 ms 1372 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 860 KB Output is correct
14 Correct 2 ms 968 KB Output is correct
15 Correct 3 ms 1372 KB Output is correct
16 Correct 4 ms 1372 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 452 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 2 ms 1372 KB Output is correct
44 Correct 2 ms 1420 KB Output is correct
45 Correct 2 ms 1424 KB Output is correct
46 Correct 2 ms 1372 KB Output is correct
47 Correct 2 ms 1372 KB Output is correct
48 Correct 3 ms 1368 KB Output is correct
49 Correct 2 ms 1372 KB Output is correct
50 Correct 2 ms 1372 KB Output is correct
51 Correct 2 ms 1372 KB Output is correct
52 Correct 2 ms 1372 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 860 KB Output is correct
55 Correct 2 ms 968 KB Output is correct
56 Correct 3 ms 1372 KB Output is correct
57 Correct 4 ms 1372 KB Output is correct
58 Correct 109 ms 29212 KB Output is correct
59 Correct 109 ms 29016 KB Output is correct
60 Correct 103 ms 29016 KB Output is correct
61 Correct 111 ms 29320 KB Output is correct
62 Correct 9 ms 3164 KB Output is correct
63 Correct 15 ms 5068 KB Output is correct
64 Correct 50 ms 14896 KB Output is correct
65 Correct 78 ms 21080 KB Output is correct
66 Correct 104 ms 28764 KB Output is correct
67 Correct 102 ms 28764 KB Output is correct
68 Correct 108 ms 29276 KB Output is correct
69 Correct 107 ms 29532 KB Output is correct
70 Correct 111 ms 29272 KB Output is correct
71 Correct 104 ms 28760 KB Output is correct
72 Correct 31 ms 7988 KB Output is correct
73 Correct 10 ms 2652 KB Output is correct