oj.uz

Submission #538096

# Submission time Handle Problem Language Result Execution time Memory
538096 2022-03-16T05:22:07 Z pavement Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 164088 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
using db = double;
using ll = long long;
using ld = long double;
using ii = pair<int, int>;
using iii = tuple<int, int, int>;
using iiii = tuple<int, int, int, int>;
template<class key, class value = null_type, class cmp = less<key> >
using ordered_set = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>;

int N, cnt[3], dp[405][405][405][3];
char S[405];
vector<int> vec[3];

int cst(int a, int x, int b, int y) {
	int tar = vec[a][x - 1];
	return max(0ll, y - (lower_bound(vec[b].begin(), vec[b].end(), tar) - vec[b].begin()));
}

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N;
	for (int i = 1; i <= N; i++) {
		cin >> S[i];
		if (S[i] == 'R') S[i] = 0;
		else if (S[i] == 'G') S[i] = 1;
		else S[i] = 2;
		cnt[S[i]]++;
		vec[S[i]].pb(i);
	}
	for (int sum = cnt[0] + cnt[1] + cnt[2]; sum >= 0; sum--) {
		for (int i = 0; i <= cnt[0]; i++)
			for (int j = max(0ll, sum - i - cnt[2]); j <= min(sum - i, cnt[1]); j++) {
				int k = sum - i - j;
				for (int p = 0; p < 3; p++) {
					if (i + j + k == cnt[0] + cnt[1] + cnt[2]) {
						dp[i][j][k][p] = 0;
						continue;
					}
					dp[i][j][k][p] = 1e16;
					if (i < cnt[0] && p != 0) dp[i][j][k][p] = min(dp[i][j][k][p], dp[i + 1][j][k][0] + cst(0, i + 1, 1, j) + cst(0, i + 1, 2, k));
					if (j < cnt[1] && p != 1) dp[i][j][k][p] = min(dp[i][j][k][p], dp[i][j + 1][k][1] + cst(1, j + 1, 0, i) + cst(1, j + 1, 2, k));
					if (k < cnt[2] && p != 2) dp[i][j][k][p] = min(dp[i][j][k][p], dp[i][j][k + 1][2] + cst(2, k + 1, 0, i) + cst(2, k + 1, 1, j));
				}
			}
	}
	int r = min({dp[0][0][0][0], dp[0][0][0][1], dp[0][0][0][2]});
	if (r >= (int)1e15) cout << "-1\n";
	else cout << r << '\n';
}

Compilation message

joi2019_ho_t3.cpp:38:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   38 | main() {
      | ^~~~
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:47:10: warning: array subscript has type 'char' [-Wchar-subscripts]
   47 |   cnt[S[i]]++;
      |       ~~~^
joi2019_ho_t3.cpp:48:10: warning: array subscript has type 'char' [-Wchar-subscripts]
   48 |   vec[S[i]].pb(i);
      |       ~~~^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 464 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 340 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 464 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 3 ms 2380 KB Output is correct
19 Correct 3 ms 2004 KB Output is correct
20 Correct 3 ms 2388 KB Output is correct
21 Correct 3 ms 2516 KB Output is correct
22 Correct 2 ms 1748 KB Output is correct
23 Correct 3 ms 2260 KB Output is correct
24 Correct 2 ms 1748 KB Output is correct
25 Correct 2 ms 3924 KB Output is correct
26 Correct 2 ms 4176 KB Output is correct
27 Correct 3 ms 3156 KB Output is correct
28 Correct 2 ms 2392 KB Output is correct
29 Correct 2 ms 2388 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2132 KB Output is correct
32 Correct 3 ms 2516 KB Output is correct
33 Correct 2 ms 3924 KB Output is correct
34 Correct 2 ms 3540 KB Output is correct
35 Correct 3 ms 2772 KB Output is correct
36 Correct 2 ms 2012 KB Output is correct
37 Correct 2 ms 1748 KB Output is correct
38 Correct 3 ms 2260 KB Output is correct
39 Correct 3 ms 2388 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 2 ms 2260 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 91 ms 163996 KB Output is correct
3 Correct 74 ms 163312 KB Output is correct
4 Correct 73 ms 164072 KB Output is correct
5 Correct 76 ms 163996 KB Output is correct
6 Correct 93 ms 163976 KB Output is correct
7 Correct 70 ms 163192 KB Output is correct
8 Correct 69 ms 163140 KB Output is correct
9 Correct 71 ms 162396 KB Output is correct
10 Correct 77 ms 164044 KB Output is correct
11 Correct 80 ms 164088 KB Output is correct
12 Correct 20 ms 44352 KB Output is correct
13 Correct 35 ms 77772 KB Output is correct
14 Correct 49 ms 112064 KB Output is correct
15 Correct 86 ms 163992 KB Output is correct
16 Correct 96 ms 164040 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 464 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 3 ms 2380 KB Output is correct
19 Correct 3 ms 2004 KB Output is correct
20 Correct 3 ms 2388 KB Output is correct
21 Correct 3 ms 2516 KB Output is correct
22 Correct 2 ms 1748 KB Output is correct
23 Correct 3 ms 2260 KB Output is correct
24 Correct 2 ms 1748 KB Output is correct
25 Correct 2 ms 3924 KB Output is correct
26 Correct 2 ms 4176 KB Output is correct
27 Correct 3 ms 3156 KB Output is correct
28 Correct 2 ms 2392 KB Output is correct
29 Correct 2 ms 2388 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2132 KB Output is correct
32 Correct 3 ms 2516 KB Output is correct
33 Correct 2 ms 3924 KB Output is correct
34 Correct 2 ms 3540 KB Output is correct
35 Correct 3 ms 2772 KB Output is correct
36 Correct 2 ms 2012 KB Output is correct
37 Correct 2 ms 1748 KB Output is correct
38 Correct 3 ms 2260 KB Output is correct
39 Correct 3 ms 2388 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 2 ms 2260 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 91 ms 163996 KB Output is correct
44 Correct 74 ms 163312 KB Output is correct
45 Correct 73 ms 164072 KB Output is correct
46 Correct 76 ms 163996 KB Output is correct
47 Correct 93 ms 163976 KB Output is correct
48 Correct 70 ms 163192 KB Output is correct
49 Correct 69 ms 163140 KB Output is correct
50 Correct 71 ms 162396 KB Output is correct
51 Correct 77 ms 164044 KB Output is correct
52 Correct 80 ms 164088 KB Output is correct
53 Correct 20 ms 44352 KB Output is correct
54 Correct 35 ms 77772 KB Output is correct
55 Correct 49 ms 112064 KB Output is correct
56 Correct 86 ms 163992 KB Output is correct
57 Correct 96 ms 164040 KB Output is correct
58 Execution timed out 715 ms 120596 KB Time limit exceeded
59 Halted 0 ms 0 KB -