oj.uz

답안 #598724

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
598724 2022-07-18T19:52:26 Z Asymmetry Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 56 ms 29708 KB 
#include<bits/stdc++.h>
using namespace std;
using LL=long long;
#define FOR(i,l,r) for(int i=(l);i<=(r);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) int(x.size())
template<class A,class B>auto&operator<<(ostream&o,pair<A,B>p){return o<<'('<<p.first<<", "<<p.second<<')';}
template<class T>auto operator<<(ostream&o,T x)->decltype(x.end(),o){o<<'{';int i=0;for(auto e:x)o<<(", ")+2*!i++<<e;return o<<'}';}
#ifdef DEBUG
#define debug(x...) cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<'\n';}(x)
#else
#define debug(...) {}
#endif

int main() {
	cin.tie(0)->sync_with_stdio(0);
	const int INF = 1e9;
	int n;
	cin >> n;
	map<char, int> s;
	s['R'] = 0;
	s['G'] = 1;
	s['Y'] = 2;
	vector<vector<int>> t(3, vector<int> (1, 0)), sum(3, vector<int> (n + 1, 0));
	vector<int> v(n);
	FOR (i, 1, n) {
		char c;
		cin >> c;
		t[s[c]].emplace_back(i);
		sum[s[c]][i] = 1;
	}
	FOR (i, 1, n) {
		REP (j, 3) {
			sum[j][i] += sum[j][i - 1];
		}
	}
	vector<vector<vector<array<int, 3>>>> dp(sum[0][n] + 1, vector<vector<array<int, 3>>> (sum[1][n] + 1, vector<array<int, 3>> (sum[2][n] + 1, array<int, 3> {INF, INF, INF})));
	REP (i, 3) {
		if (sum[i][n] > (n + 1) / 2) {
			cout << "-1" << endl;
			return 0;
		}
		dp[0][0][0][i] = 0;
	}
	FOR (i, 0, sum[0][n]) {
		FOR (j, 0, sum[1][n]) {
			FOR (k, 0, sum[2][n]) {
				if (i) {
					dp[i][j][k][0] = min(dp[i - 1][j][k][1], dp[i - 1][j][k][2]) + 
						max(0, sum[1][t[0][i]] - sum[1][t[1][j]]) + 
						max(0, sum[2][t[0][i]] - sum[2][t[2][k]]);
				}
				if (j) {
					dp[i][j][k][1] = min(dp[i][j - 1][k][0], dp[i][j - 1][k][2]) + 
						max(0, sum[0][t[1][j]] - sum[0][t[0][i]]) + 
						max(0, sum[2][t[1][j]] - sum[2][t[2][k]]);
				}
				if (k) {
					dp[i][j][k][2] = min(dp[i][j][k - 1][0], dp[i][j][k - 1][1]) + 
						max(0, sum[0][t[2][k]] - sum[0][t[0][i]]) + 
						max(0, sum[1][t[2][k]] - sum[1][t[1][j]]);
				}
			}
		}
	}
	int odp = INF;
	REP (i, 3) {
		odp = min(odp, dp[sum[0][n]][sum[1][n]][sum[2][n]][i]);
	}
	if (odp == INF) {
		cout << "-1" << endl;
		return 0;
	}
	cout << odp << endl;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 316 KB Output is correct
15 Correct 0 ms 316 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 316 KB Output is correct
15 Correct 0 ms 316 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 448 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 340 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 3 ms 2516 KB Output is correct
3 Correct 3 ms 2516 KB Output is correct
4 Correct 3 ms 2516 KB Output is correct
5 Correct 3 ms 2516 KB Output is correct
6 Correct 3 ms 2516 KB Output is correct
7 Correct 3 ms 2516 KB Output is correct
8 Correct 3 ms 2496 KB Output is correct
9 Correct 3 ms 2516 KB Output is correct
10 Correct 3 ms 2512 KB Output is correct
11 Correct 3 ms 2516 KB Output is correct
12 Correct 1 ms 828 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 2 ms 1852 KB Output is correct
15 Correct 4 ms 2516 KB Output is correct
16 Correct 4 ms 2516 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 316 KB Output is correct
15 Correct 0 ms 316 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 448 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 3 ms 2516 KB Output is correct
44 Correct 3 ms 2516 KB Output is correct
45 Correct 3 ms 2516 KB Output is correct
46 Correct 3 ms 2516 KB Output is correct
47 Correct 3 ms 2516 KB Output is correct
48 Correct 3 ms 2516 KB Output is correct
49 Correct 3 ms 2496 KB Output is correct
50 Correct 3 ms 2516 KB Output is correct
51 Correct 3 ms 2512 KB Output is correct
52 Correct 3 ms 2516 KB Output is correct
53 Correct 1 ms 828 KB Output is correct
54 Correct 2 ms 1364 KB Output is correct
55 Correct 2 ms 1852 KB Output is correct
56 Correct 4 ms 2516 KB Output is correct
57 Correct 4 ms 2516 KB Output is correct
58 Correct 52 ms 29256 KB Output is correct
59 Correct 50 ms 29408 KB Output is correct
60 Correct 48 ms 28928 KB Output is correct
61 Correct 52 ms 29396 KB Output is correct
62 Correct 3 ms 4308 KB Output is correct
63 Correct 25 ms 6136 KB Output is correct
64 Correct 28 ms 15424 KB Output is correct
65 Correct 35 ms 21332 KB Output is correct
66 Correct 50 ms 29012 KB Output is correct
67 Correct 49 ms 29124 KB Output is correct
68 Correct 51 ms 29268 KB Output is correct
69 Correct 51 ms 29676 KB Output is correct
70 Correct 51 ms 29708 KB Output is correct
71 Correct 56 ms 28876 KB Output is correct
72 Correct 4 ms 7764 KB Output is correct
73 Correct 1 ms 2516 KB Output is correct