답안 #487372

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
487372 2021-11-15T10:39:54 Z PoPularPlusPlus Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
463 ms 134056 KB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long 
#define pb(e) push_back(e)
#define sv(a) sort(a.begin(),a.end())
#define sa(a,n) sort(a,a+n)
#define mp(a,b) make_pair(a,b)
#define vf first
#define vs second
#define ar array
#define all(x) x.begin(),x.end()
const int inf = 0x3f3f3f3f;
const int mod = 1000000007; 
const double PI=3.14159265358979323846264338327950288419716939937510582097494459230;
bool remender(ll a , ll b){return a%b;}

//ll dp[401][401][401][3];
vector<vector<vector<vector<int>>>> dp;
vector<int> a , b , c;

vector<pair<int,int>> up , up1 , up2;

ll rec(int i , int j , int k , int col , int s1 , int s2 , int s3){
	if(i == s1 && j == s2 && k == s3)return 0;
	if(dp[i][j][k][col]!=-1)return dp[i][j][k][col];
	if(col == 0){
		if(i == s1)return 1e9;
		int p = up[i].vf;
		p = max(0 , j - p);
		int p1 = up[i].vs;
		p1 = max(0 , k - p1);
		int pos = a[i] + p + p1;
		return dp[i][j][k][col] = (ll)abs(pos - (i + j + k)) + min(rec(i + 1 , j , k , 1 , s1 , s2 , s3) , rec(i + 1 , j , k , 2 , s1 , s2 , s3));
	}
	if(col == 1){
		if(j == s2)return 1e9;
		int p = up1[j].vf;
		p = max(0 , i - p);
		int p1 = up1[j].vs;
		p1 = max(0 , k - p1);
		int pos = b[j] + p + p1;
		return dp[i][j][k][col] = (ll)abs(pos - (i + j + k)) + min(rec(i , j + 1 , k , 0 ,  s1, s2 , s3) , rec(i , j + 1 , k , 2 , s1 , s2 , s3));
	}
	if(k == s3)return 1e9;
	int p = up2[k].vf;
	p = max(0 , i - p);
	int p1 = up2[k].vs;
	p1 = max(0 , j - p1);
	int pos = c[k] + p + p1;
	return dp[i][j][k][col] = (ll)abs(pos - (i + j + k)) + min(rec(i , j , k + 1 , 0 ,s1 , s2 ,s3) , rec(i , j , k + 1 , 1 , s1 , s2 , s3));
}

void solve(){
	int n;
	cin >> n;
	string s;
	cin >> s;
	for(int i = 0; i < n; i++){
		if(s[i]=='R')a.pb(i);
		else if(s[i] == 'G')b.pb(i);
		else c.pb(i);
	}
	dp.resize(a.size() + 2);
	for(int i = 0; i < (int)a.size() + 1; i++){
		dp[i].resize(b.size() + 2);
		for(int j = 0; j < (int)b.size() + 1; j++){
			dp[i][j].resize(c.size() + 2);
			for(int k = 0; k < (int)c.size() + 1; k++){
				dp[i][j][k].pb(-1);
				dp[i][j][k].pb(-1);
				dp[i][j][k].pb(-1);
			}
		}
	}
	up.resize(a.size() + 2);
	up1.resize(b.size() + 2);
	up2.resize(c.size() + 2);
	for(int i = 0; i < (int)a.size(); i++){
		int p = upper_bound(all(b) , a[i]) - b.begin();
		int p1 = upper_bound(all(c) , a[i]) - c.begin();
		up[i] = mp(p,p1);
	}
	for(int i = 0; i < (int)b.size(); i++){
		int p = upper_bound(all(a) , b[i]) - a.begin();
		int p1 = upper_bound(all(c) , b[i]) - c.begin();
		up1[i] = mp(p,p1);
	}
	for(int i = 0; i < (int)c.size(); i++){
		int p = upper_bound(all(a) , c[i]) - a.begin();
		int p1 = upper_bound(all(b) , c[i]) - b.begin();
		up2[i] = mp(p,p1);
	}
	ll ans = min({rec(0,0,0,0,a.size(),b.size(),c.size()),rec(0,0,0,1,a.size(),b.size(),c.size()),rec(0,0,0,2,a.size(),b.size(),c.size())});
	if(ans >= 1e9)ans = -1;
	cout << ans << '\n';
	/*ll dp[a.size() + 1][b.size() + 1][c.size() + 1][3];
	ll ans = 1e9;
	for(int i = 0; i <= (int)a.size() + 1; i++){
		for(int j = 0; j <= (int)b.size() + 1; j++){
			for(int k = 0; k <= (int)c.size() + 1; k++){
				dp[i][j][k][2] = dp[i][j][k][1] = dp[i][j][k][0] = 1e9;
				if(k < (int)c.size()){
					int p = upper_bound(all(a) , c[k]) - a.begin();
					int p1 = upper_bound(all(b) , c[k]) - b.begin();
					int pos = c[k] + p + p1;
					dp[i][j][k][2] = min(dp[i][j][k][2] , abs(pos - (i + j + k)) + min(dp[i][j][k-1][0] , dp[i][j][k-1][1]));
				}
				if(j < (int)b.size()){
					int p = upper_bound(all(a) , b[j]) - a.begin();
					int p1 = upper_bound(all(c) , b[j]) - c.begin();
					int pos = b[j] + p + p1;
					dp[i][j][k][1] = min(dp[i][j][k][1] , abs(pos - (i + j + k)) + min(dp[i][j-1][k][0] , dp[i][j-1][k][2]));
				}
				if(i < (int)a.size()){
					int p = upper_bound(all(b) , a[i]) - b.begin();
					int p1 = upper_bound(all(c) , a[i]) - c.begin();
					int pos = a[i] + p + p1;
					dp[i][j][k][0] = min(dp[i][j][k][0] , abs(pos - (i + j + k)) + min(dp[i-1][j][k][1] , dp[i-1][j][k][2]));
				}
				if(a.size() + b.size() + c.size() == i + j + k + 1){
					ans = min({ans , dp[i][j][k][0] , dp[i][j][k][1] , dp[i][j][k][2]});
				}
			}
		}
	}
	cout << ans << '\n';*/
}

int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	//int t;cin >> t;while(t--)
	solve();
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 2 ms 716 KB Output is correct
19 Correct 1 ms 716 KB Output is correct
20 Correct 2 ms 716 KB Output is correct
21 Correct 1 ms 844 KB Output is correct
22 Correct 1 ms 716 KB Output is correct
23 Correct 2 ms 760 KB Output is correct
24 Correct 1 ms 716 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 716 KB Output is correct
28 Correct 2 ms 844 KB Output is correct
29 Correct 2 ms 716 KB Output is correct
30 Correct 2 ms 716 KB Output is correct
31 Correct 1 ms 716 KB Output is correct
32 Correct 2 ms 716 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 716 KB Output is correct
36 Correct 2 ms 716 KB Output is correct
37 Correct 1 ms 716 KB Output is correct
38 Correct 1 ms 716 KB Output is correct
39 Correct 1 ms 716 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 7 ms 5108 KB Output is correct
3 Correct 7 ms 5068 KB Output is correct
4 Correct 7 ms 5060 KB Output is correct
5 Correct 7 ms 5020 KB Output is correct
6 Correct 7 ms 5036 KB Output is correct
7 Correct 7 ms 5092 KB Output is correct
8 Correct 7 ms 4988 KB Output is correct
9 Correct 7 ms 4940 KB Output is correct
10 Correct 9 ms 5068 KB Output is correct
11 Correct 7 ms 5080 KB Output is correct
12 Correct 2 ms 1484 KB Output is correct
13 Correct 4 ms 2508 KB Output is correct
14 Correct 5 ms 3588 KB Output is correct
15 Correct 7 ms 5104 KB Output is correct
16 Correct 7 ms 5072 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 2 ms 716 KB Output is correct
19 Correct 1 ms 716 KB Output is correct
20 Correct 2 ms 716 KB Output is correct
21 Correct 1 ms 844 KB Output is correct
22 Correct 1 ms 716 KB Output is correct
23 Correct 2 ms 760 KB Output is correct
24 Correct 1 ms 716 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 716 KB Output is correct
28 Correct 2 ms 844 KB Output is correct
29 Correct 2 ms 716 KB Output is correct
30 Correct 2 ms 716 KB Output is correct
31 Correct 1 ms 716 KB Output is correct
32 Correct 2 ms 716 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 716 KB Output is correct
36 Correct 2 ms 716 KB Output is correct
37 Correct 1 ms 716 KB Output is correct
38 Correct 1 ms 716 KB Output is correct
39 Correct 1 ms 716 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 7 ms 5108 KB Output is correct
44 Correct 7 ms 5068 KB Output is correct
45 Correct 7 ms 5060 KB Output is correct
46 Correct 7 ms 5020 KB Output is correct
47 Correct 7 ms 5036 KB Output is correct
48 Correct 7 ms 5092 KB Output is correct
49 Correct 7 ms 4988 KB Output is correct
50 Correct 7 ms 4940 KB Output is correct
51 Correct 9 ms 5068 KB Output is correct
52 Correct 7 ms 5080 KB Output is correct
53 Correct 2 ms 1484 KB Output is correct
54 Correct 4 ms 2508 KB Output is correct
55 Correct 5 ms 3588 KB Output is correct
56 Correct 7 ms 5104 KB Output is correct
57 Correct 7 ms 5072 KB Output is correct
58 Correct 432 ms 132548 KB Output is correct
59 Correct 453 ms 133120 KB Output is correct
60 Correct 459 ms 131736 KB Output is correct
61 Correct 462 ms 133016 KB Output is correct
62 Correct 25 ms 13496 KB Output is correct
63 Correct 45 ms 21832 KB Output is correct
64 Correct 168 ms 67596 KB Output is correct
65 Correct 252 ms 95528 KB Output is correct
66 Correct 435 ms 131120 KB Output is correct
67 Correct 411 ms 131144 KB Output is correct
68 Correct 463 ms 133064 KB Output is correct
69 Correct 445 ms 134056 KB Output is correct
70 Correct 462 ms 133824 KB Output is correct
71 Correct 432 ms 130712 KB Output is correct
72 Correct 73 ms 34124 KB Output is correct
73 Correct 17 ms 8856 KB Output is correct