oj.uz

Submission #512603

# Submission time Handle Problem Language Result Execution time Memory
512603 2022-01-16T13:37:00 Z Jarif_Rahman Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 485 ms 755604 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
const int inf = 1e9+5;
int dp[400][401][401][3];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n; str ss; cin >> n >> ss;
    vector<int> s;
    for(int i = 0; i < n; i++){
        if(ss[i] == 'R') s.pb(0);
        if(ss[i] == 'G') s.pb(1);
        if(ss[i] == 'Y') s.pb(2);
    }

    vector<vector<int>> cnt(n, vector<int>(3, 0));
    vector<vector<int>> pos(3);
    for(int i = 0; i < n; i++) for(int j = 0; j <= n; j++) for(int k = 0; k <= n; k++)
        for(int c = 0; c < 3; c++) dp[i][j][k][c] = inf;

    for(int i = n-1; i >= 0; i--){
        pos[s[i]].pb(i);
        if(i != n-1) cnt[i][0] = cnt[i+1][0], cnt[i][1] = cnt[i+1][1], cnt[i][2] = cnt[i+1][2];
        cnt[i][s[i]]++;
    }

    vector<vector<int>> o(3);
    for(int i = 0; i < 3; i++) for(int j = 0; j < 3; j++) if(i != j) o[i].pb(j);

    for(int i = n-1; i >= 0; i--){
        int c[3];
        for(c[0] = 0; c[0] <= min(cnt[0][0], n-i); c[0]++) for(c[1] = 0; c[1] <= cnt[0][1] && c[1]+c[0] <= n-i; c[1]++){
            c[2] = n-i-c[0]-c[1];
            if(c[2] > cnt[0][2]) continue;
            for(int cl = 0; cl < 3; cl++){
                if(c[cl] == 0) continue;
                if(c[cl] > pos[cl].size()) continue;
                for(int j = 0; j < 2; j++){
                    int cur = 0;
                    c[cl]--;
                    if(i != n-1) cur+=dp[i+1][c[0]][c[1]][o[cl][j]];
                    c[cl]++;
                    if(i == n-1) cur+=abs(pos[cl][c[cl]-1]-i);
                    else cur+=abs(pos[cl][c[cl]-1]-max(0, c[o[cl][0]]-cnt[pos[cl][c[cl]-1]][o[cl][0]])
                        -max(0, c[o[cl][1]]-cnt[pos[cl][c[cl]-1]][o[cl][1]])-i);

                    dp[i][c[0]][c[1]][cl] = min(dp[i][c[0]][c[1]][cl], cur);
                }
            }
        }
    }
    int ans = inf;
    for(int i = 0; i <= n; i++) for(int j = 0; j <= n; j++) for(int c = 0; c < 3; c++)
        ans = min(ans, dp[0][i][j][c]);
    if(ans >= inf) ans = -1;
    cout << ans << "\n";
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:42:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |                 if(c[cl] > pos[cl].size()) continue;
      |                    ~~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1356 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1356 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1308 KB Output is correct
15 Correct 1 ms 1356 KB Output is correct
16 Correct 1 ms 1356 KB Output is correct
17 Correct 1 ms 1228 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1356 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1356 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1308 KB Output is correct
15 Correct 1 ms 1356 KB Output is correct
16 Correct 1 ms 1356 KB Output is correct
17 Correct 1 ms 1228 KB Output is correct
18 Correct 7 ms 17612 KB Output is correct
19 Correct 8 ms 17612 KB Output is correct
20 Correct 9 ms 17676 KB Output is correct
21 Correct 8 ms 17644 KB Output is correct
22 Correct 7 ms 17740 KB Output is correct
23 Correct 8 ms 17740 KB Output is correct
24 Correct 8 ms 17612 KB Output is correct
25 Correct 8 ms 17612 KB Output is correct
26 Correct 7 ms 17616 KB Output is correct
27 Correct 8 ms 17640 KB Output is correct
28 Correct 8 ms 17652 KB Output is correct
29 Correct 8 ms 17612 KB Output is correct
30 Correct 8 ms 17612 KB Output is correct
31 Correct 10 ms 17740 KB Output is correct
32 Correct 10 ms 17612 KB Output is correct
33 Correct 7 ms 17100 KB Output is correct
34 Correct 7 ms 17112 KB Output is correct
35 Correct 7 ms 16468 KB Output is correct
36 Correct 7 ms 17108 KB Output is correct
37 Correct 7 ms 15956 KB Output is correct
38 Correct 7 ms 17632 KB Output is correct
39 Correct 7 ms 17736 KB Output is correct
40 Correct 7 ms 17100 KB Output is correct
41 Correct 7 ms 17636 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 328 ms 755544 KB Output is correct
3 Correct 358 ms 753392 KB Output is correct
4 Correct 352 ms 755524 KB Output is correct
5 Correct 364 ms 755488 KB Output is correct
6 Correct 331 ms 755492 KB Output is correct
7 Correct 354 ms 753336 KB Output is correct
8 Correct 368 ms 753368 KB Output is correct
9 Correct 337 ms 749508 KB Output is correct
10 Correct 338 ms 755528 KB Output is correct
11 Correct 330 ms 755448 KB Output is correct
12 Correct 83 ms 201708 KB Output is correct
13 Correct 152 ms 356096 KB Output is correct
14 Correct 216 ms 515796 KB Output is correct
15 Correct 347 ms 755540 KB Output is correct
16 Correct 328 ms 755536 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1356 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1356 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1356 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 1 ms 1308 KB Output is correct
15 Correct 1 ms 1356 KB Output is correct
16 Correct 1 ms 1356 KB Output is correct
17 Correct 1 ms 1228 KB Output is correct
18 Correct 7 ms 17612 KB Output is correct
19 Correct 8 ms 17612 KB Output is correct
20 Correct 9 ms 17676 KB Output is correct
21 Correct 8 ms 17644 KB Output is correct
22 Correct 7 ms 17740 KB Output is correct
23 Correct 8 ms 17740 KB Output is correct
24 Correct 8 ms 17612 KB Output is correct
25 Correct 8 ms 17612 KB Output is correct
26 Correct 7 ms 17616 KB Output is correct
27 Correct 8 ms 17640 KB Output is correct
28 Correct 8 ms 17652 KB Output is correct
29 Correct 8 ms 17612 KB Output is correct
30 Correct 8 ms 17612 KB Output is correct
31 Correct 10 ms 17740 KB Output is correct
32 Correct 10 ms 17612 KB Output is correct
33 Correct 7 ms 17100 KB Output is correct
34 Correct 7 ms 17112 KB Output is correct
35 Correct 7 ms 16468 KB Output is correct
36 Correct 7 ms 17108 KB Output is correct
37 Correct 7 ms 15956 KB Output is correct
38 Correct 7 ms 17632 KB Output is correct
39 Correct 7 ms 17736 KB Output is correct
40 Correct 7 ms 17100 KB Output is correct
41 Correct 7 ms 17636 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 328 ms 755544 KB Output is correct
44 Correct 358 ms 753392 KB Output is correct
45 Correct 352 ms 755524 KB Output is correct
46 Correct 364 ms 755488 KB Output is correct
47 Correct 331 ms 755492 KB Output is correct
48 Correct 354 ms 753336 KB Output is correct
49 Correct 368 ms 753368 KB Output is correct
50 Correct 337 ms 749508 KB Output is correct
51 Correct 338 ms 755528 KB Output is correct
52 Correct 330 ms 755448 KB Output is correct
53 Correct 83 ms 201708 KB Output is correct
54 Correct 152 ms 356096 KB Output is correct
55 Correct 216 ms 515796 KB Output is correct
56 Correct 347 ms 755540 KB Output is correct
57 Correct 328 ms 755536 KB Output is correct
58 Correct 443 ms 755528 KB Output is correct
59 Correct 453 ms 755512 KB Output is correct
60 Correct 454 ms 749668 KB Output is correct
61 Correct 449 ms 753304 KB Output is correct
62 Correct 348 ms 755604 KB Output is correct
63 Correct 359 ms 755456 KB Output is correct
64 Correct 414 ms 755548 KB Output is correct
65 Correct 413 ms 753376 KB Output is correct
66 Correct 485 ms 745988 KB Output is correct
67 Correct 438 ms 755544 KB Output is correct
68 Correct 450 ms 753476 KB Output is correct
69 Correct 463 ms 755548 KB Output is correct
70 Correct 452 ms 755552 KB Output is correct
71 Correct 456 ms 753280 KB Output is correct
72 Correct 358 ms 753304 KB Output is correct
73 Correct 330 ms 755520 KB Output is correct