oj.uz

답안 #538098

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
538098 2022-03-16T05:25:25 Z pavement Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 214 ms 164808 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], tmp[3][405][3], dp[405][405][405][3];
char S[405];
vector<int> vec[3];

int cst(int a, int x, int b, int y) {
	return max(0ll, y - tmp[a][x][b]);
}

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 a = 0; a < 3; a++)
		for (int x = 1; x <= cnt[a]; x++)
			for (int b = 0; b < 3; b++)
				if (a != b) tmp[a][x][b] = lower_bound(vec[b].begin(), vec[b].end(), vec[a][x - 1]) - vec[b].begin();
	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:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main() {
      | ^~~~
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:46:10: warning: array subscript has type 'char' [-Wchar-subscripts]
   46 |   cnt[S[i]]++;
      |       ~~~^
joi2019_ho_t3.cpp:47:10: warning: array subscript has type 'char' [-Wchar-subscripts]
   47 |   vec[S[i]].pb(i);
      |       ~~~^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 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 0 ms 340 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 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 0 ms 340 KB Output is correct
18 Correct 1 ms 2388 KB Output is correct
19 Correct 1 ms 2004 KB Output is correct
20 Correct 1 ms 2388 KB Output is correct
21 Correct 1 ms 2516 KB Output is correct
22 Correct 1 ms 1748 KB Output is correct
23 Correct 2 ms 2260 KB Output is correct
24 Correct 1 ms 1748 KB Output is correct
25 Correct 2 ms 3924 KB Output is correct
26 Correct 3 ms 4180 KB Output is correct
27 Correct 2 ms 3156 KB Output is correct
28 Correct 2 ms 2388 KB Output is correct
29 Correct 1 ms 2388 KB Output is correct
30 Correct 1 ms 2388 KB Output is correct
31 Correct 1 ms 2132 KB Output is correct
32 Correct 1 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 2 ms 2772 KB Output is correct
36 Correct 1 ms 2004 KB Output is correct
37 Correct 1 ms 1748 KB Output is correct
38 Correct 1 ms 2260 KB Output is correct
39 Correct 2 ms 2388 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 2260 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 68 ms 164032 KB Output is correct
3 Correct 68 ms 163208 KB Output is correct
4 Correct 64 ms 164176 KB Output is correct
5 Correct 67 ms 164044 KB Output is correct
6 Correct 76 ms 164020 KB Output is correct
7 Correct 73 ms 163148 KB Output is correct
8 Correct 69 ms 163252 KB Output is correct
9 Correct 65 ms 162368 KB Output is correct
10 Correct 68 ms 164092 KB Output is correct
11 Correct 66 ms 163984 KB Output is correct
12 Correct 19 ms 44372 KB Output is correct
13 Correct 34 ms 77696 KB Output is correct
14 Correct 50 ms 112092 KB Output is correct
15 Correct 65 ms 164016 KB Output is correct
16 Correct 66 ms 163988 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 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 0 ms 340 KB Output is correct
18 Correct 1 ms 2388 KB Output is correct
19 Correct 1 ms 2004 KB Output is correct
20 Correct 1 ms 2388 KB Output is correct
21 Correct 1 ms 2516 KB Output is correct
22 Correct 1 ms 1748 KB Output is correct
23 Correct 2 ms 2260 KB Output is correct
24 Correct 1 ms 1748 KB Output is correct
25 Correct 2 ms 3924 KB Output is correct
26 Correct 3 ms 4180 KB Output is correct
27 Correct 2 ms 3156 KB Output is correct
28 Correct 2 ms 2388 KB Output is correct
29 Correct 1 ms 2388 KB Output is correct
30 Correct 1 ms 2388 KB Output is correct
31 Correct 1 ms 2132 KB Output is correct
32 Correct 1 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 2 ms 2772 KB Output is correct
36 Correct 1 ms 2004 KB Output is correct
37 Correct 1 ms 1748 KB Output is correct
38 Correct 1 ms 2260 KB Output is correct
39 Correct 2 ms 2388 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 2260 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 68 ms 164032 KB Output is correct
44 Correct 68 ms 163208 KB Output is correct
45 Correct 64 ms 164176 KB Output is correct
46 Correct 67 ms 164044 KB Output is correct
47 Correct 76 ms 164020 KB Output is correct
48 Correct 73 ms 163148 KB Output is correct
49 Correct 69 ms 163252 KB Output is correct
50 Correct 65 ms 162368 KB Output is correct
51 Correct 68 ms 164092 KB Output is correct
52 Correct 66 ms 163984 KB Output is correct
53 Correct 19 ms 44372 KB Output is correct
54 Correct 34 ms 77696 KB Output is correct
55 Correct 50 ms 112092 KB Output is correct
56 Correct 65 ms 164016 KB Output is correct
57 Correct 66 ms 163988 KB Output is correct
58 Correct 157 ms 120652 KB Output is correct
59 Correct 179 ms 137900 KB Output is correct
60 Correct 150 ms 130000 KB Output is correct
61 Correct 158 ms 128108 KB Output is correct
62 Correct 91 ms 163612 KB Output is correct
63 Correct 103 ms 164808 KB Output is correct
64 Correct 115 ms 164464 KB Output is correct
65 Correct 134 ms 159024 KB Output is correct
66 Correct 168 ms 128444 KB Output is correct
67 Correct 214 ms 125568 KB Output is correct
68 Correct 153 ms 131424 KB Output is correct
69 Correct 155 ms 128984 KB Output is correct
70 Correct 194 ms 134860 KB Output is correct
71 Correct 151 ms 126284 KB Output is correct
72 Correct 45 ms 49684 KB Output is correct
73 Correct 5 ms 5460 KB Output is correct