답안 #220752

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
220752	2020-04-08T16:49:33 Z	hanagasumi	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	100 / 100	121 ms	28800 KB

joi2019_ho_t3

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <deque>
#include <map>
#include <set>
#include <complex>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <random>

#define ft first
#define sc second
#define pb push_back
#define len(v) (int)v.size()
// #define int ll

using namespace std;
typedef long long ll;

int inf = 1e9 + 100;
const int maxn = 401;
int posa[maxn];
int posb[maxn];
int posc[maxn];
vector<int> a, b, c;
int maxa = 0, maxb = 0, maxc = 0;

int cost(int a1, int b1, int c1, int num) {
	int pos = 0;
	if(num == 0)
		pos = a[a1];
	if(num == 1) 
		pos = b[b1];
	if(num == 2) 
		pos = c[c1];
	int pos1 = pos;
	pos += max(0, posa[pos1] - (maxa - a1));
	pos += max(0, posb[pos1] - (maxb - b1));
	pos += max(0, posc[pos1] - (maxc - c1));
	// cout << a1 << " " << b1 << " " << c1 << " " << (pos - (a1 + b1 + c1)) << " " << pos1 << " " << maxc << " " << posc[pos1] << endl;
	return pos - (a1 + b1 + c1);
}


signed main() {
	 #ifdef PC 
		freopen("in.txt", "r", stdin);
		freopen("out.txt", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	int n;
	cin >> n;
	string s;
	cin >> s;
	for (int i = 0; i < len(s); i++) {
		if(s[i] == 'R') 
			s[i] = 'a';
		if(s[i] == 'G') 
			s[i] = 'b';
		if(s[i] == 'Y')
			s[i] = 'c';
		posa[i] = posb[i] = posc[i] = 0;
	}
	
	for (int i = 0; i < len(s); i++) {
		if(s[i] == 'a') 
			a.pb(i);
		if(s[i] == 'b') 
			b.pb(i);
		if(s[i] == 'c') 
			c.pb(i);
	}
	for (int i = len(s) - 1; i >= 0; i--) {
		posa[i] = posa[i + 1];
		posb[i] = posb[i + 1];
		posc[i] = posc[i + 1];
		if(s[i] == 'a') 
			posa[i]++;
		if(s[i] == 'b') 
			posb[i]++;
		if(s[i] == 'c')
			posc[i]++;
	}
	maxa = len(a), maxb = len(b), maxc = len(c);
	// cout << maxa << " " << maxb << " " << maxc << endl;
	int dp[maxa + 1][maxb + 1][maxc + 1][3];
	for (int i = 0; i <= maxa; i++) {
		for (int j = 0; j <= maxb; j++) {
			for (int z = 0; z <= maxc; z++) {
				for (int pr = 0; pr < 3; pr++)
					dp[i][j][z][pr] = inf;
			}
		}
	}
	dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;
	for (int i = 0; i <= maxa; i++) {
		for (int j = 0; j <= maxb; j++) {
			for (int z = 0; z <= maxc; z++) {
				for (int pr = 0; pr < 3; pr++) {
					// cout << i << " " << j << " " << z << " " << pr << " " << dp[i][j][z][pr] << endl;
					for (char nxt = 'a'; nxt <= 'c'; nxt++) {
						if(nxt - 'a' == pr) 
							continue;
						if(nxt == 'a' && i == maxa) 
							continue;
						if(nxt == 'b' && j == maxb) 
							continue;
						if(nxt == 'c' && z == maxc) 
							continue;
						if(nxt == 'a') {
							dp[i + 1][j][z][0] = min(dp[i + 1][j][z][0], dp[i][j][z][pr] + cost(i, j, z, 0));
						}
						if(nxt == 'b') {
							dp[i][j + 1][z][1] = min(dp[i][j + 1][z][1], dp[i][j][z][pr] + cost(i, j, z, 1));
						}
						if(nxt == 'c') {
							dp[i][j][z + 1][2] = min(dp[i][j][z + 1][2], dp[i][j][z][pr] + cost(i, j, z, 2));
						}
					}
				}
			}
		}
	}
	int ans = min(dp[maxa][maxb][maxc][0], min(dp[maxa][maxb][maxc][1], dp[maxa][maxb][maxc][2]));
	if(ans == inf) 
		ans = -1;
	cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	512 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct

Subtask #2
55.0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	512 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	512 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	6 ms	512 KB	Output is correct
31	Correct	5 ms	512 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	5 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	5 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	6 ms	768 KB	Output is correct
3	Correct	6 ms	768 KB	Output is correct
4	Correct	6 ms	768 KB	Output is correct
5	Correct	6 ms	768 KB	Output is correct
6	Correct	6 ms	768 KB	Output is correct
7	Correct	6 ms	768 KB	Output is correct
8	Correct	6 ms	768 KB	Output is correct
9	Correct	6 ms	768 KB	Output is correct
10	Correct	6 ms	768 KB	Output is correct
11	Correct	6 ms	768 KB	Output is correct
12	Correct	5 ms	512 KB	Output is correct
13	Correct	5 ms	512 KB	Output is correct
14	Correct	6 ms	640 KB	Output is correct
15	Correct	6 ms	768 KB	Output is correct
16	Correct	6 ms	768 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	512 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	512 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	6 ms	512 KB	Output is correct
31	Correct	5 ms	512 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	5 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	5 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	5 ms	384 KB	Output is correct
43	Correct	6 ms	768 KB	Output is correct
44	Correct	6 ms	768 KB	Output is correct
45	Correct	6 ms	768 KB	Output is correct
46	Correct	6 ms	768 KB	Output is correct
47	Correct	6 ms	768 KB	Output is correct
48	Correct	6 ms	768 KB	Output is correct
49	Correct	6 ms	768 KB	Output is correct
50	Correct	6 ms	768 KB	Output is correct
51	Correct	6 ms	768 KB	Output is correct
52	Correct	6 ms	768 KB	Output is correct
53	Correct	5 ms	512 KB	Output is correct
54	Correct	5 ms	512 KB	Output is correct
55	Correct	6 ms	640 KB	Output is correct
56	Correct	6 ms	768 KB	Output is correct
57	Correct	6 ms	768 KB	Output is correct
58	Correct	111 ms	28416 KB	Output is correct
59	Correct	118 ms	28544 KB	Output is correct
60	Correct	109 ms	28288 KB	Output is correct
61	Correct	110 ms	28544 KB	Output is correct
62	Correct	14 ms	2688 KB	Output is correct
63	Correct	20 ms	4480 KB	Output is correct
64	Correct	60 ms	14328 KB	Output is correct
65	Correct	84 ms	20436 KB	Output is correct
66	Correct	117 ms	28160 KB	Output is correct
67	Correct	114 ms	28160 KB	Output is correct
68	Correct	121 ms	28664 KB	Output is correct
69	Correct	114 ms	28800 KB	Output is correct
70	Correct	118 ms	28672 KB	Output is correct
71	Correct	109 ms	28024 KB	Output is correct
72	Correct	32 ms	7424 KB	Output is correct
73	Correct	12 ms	2176 KB	Output is correct

답안 #220752

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 55.0 / 55.0

Subtask #3 15.0 / 15.0

Subtask #4 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
55.0 / 55.0

Subtask #3
15.0 / 15.0

Subtask #4
25.0 / 25.0