답안 #99089 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
99089	2019-02-28T14:12:20 Z	gs14004	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	100 / 100	386 ms	171772 KB

joi2019_ho_t3

#include <bits/stdc++.h>
using namespace std;
const int MAXN = 405;
using lint = long long;
using pi = pair<int, int>;
 
int n;
char str[MAXN];
int dp[222][222][222][4];
vector<int> rep[3];
int sum[3][MAXN];
 
int cntAfter(char arg, int pos){
	if(arg == 'R') return sum[0][pos + 1];
	if(arg == 'G') return sum[1][pos + 1];
	if(arg == 'Y') return sum[2][pos + 1];
	assert(0);
}
 
int cost(int cR, int cG, int cY, int mode){
	int pos = -1;
	if(mode == 0) pos = rep[mode][cR-1];
	if(mode == 1) pos = rep[mode][cG-1];
	if(mode == 2) pos = rep[mode][cY-1];
	return
	max(cntAfter('R', pos) - cR, 0) +
	max(cntAfter('G', pos) - cG, 0) +
	max(cntAfter('Y', pos) - cY, 0);
}
 
int f(int cR, int cG, int cY, int prv){
	if(cR + cG + cY == 0) return 0;
	if(~dp[cR][cG][cY][prv]) return dp[cR][cG][cY][prv];
	int ret = 1e9;
	if(cR > 0 && prv != 0){
		ret = min(ret, f(cR - 1, cG, cY, 0) + cost(cR, cG, cY, 0));
	}
	if(cG > 0 && prv != 1){
		ret = min(ret, f(cR, cG - 1, cY, 1) + cost(cR, cG, cY, 1));
	}
	if(cY > 0 && prv != 2){
		ret = min(ret, f(cR, cG, cY - 1, 2) + cost(cR, cG, cY, 2));
	}
	return dp[cR][cG][cY][prv] = ret;
}
 
int main(){
	cin >> n >> str;
	memset(dp, -1, sizeof(dp));
	int cntr = count(str, str + n, 'R');
	int cntg = count(str, str + n, 'G');
	int cnty = count(str, str + n, 'Y');
	if(max({cntr, cntg, cnty}) > 202){
		puts("-1");
		return 0;
	}
	for(int i=n-1; i>=0; i--){
		if(str[i] == 'R'){
			rep[0].push_back(i);
			sum[0][i]++;
		}
		if(str[i] == 'G'){
			rep[1].push_back(i);
			sum[1][i]++;
		}
		if(str[i] == 'Y'){
			rep[2].push_back(i);
			sum[2][i]++;
		}
		for(int j=0; j<3; j++) sum[j][i] += sum[j][i+1];
	}
	int ans = f(cntr, cntg, cnty, 3);
	if(ans > 1e8) ans = -1;
	cout << ans << endl;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	162 ms	171640 KB	Output is correct
2	Correct	143 ms	171612 KB	Output is correct
3	Correct	147 ms	171568 KB	Output is correct
4	Correct	150 ms	171640 KB	Output is correct
5	Correct	144 ms	171640 KB	Output is correct
6	Correct	160 ms	171640 KB	Output is correct
7	Correct	146 ms	171636 KB	Output is correct
8	Correct	136 ms	171540 KB	Output is correct
9	Correct	137 ms	171560 KB	Output is correct
10	Correct	146 ms	171668 KB	Output is correct
11	Correct	156 ms	171768 KB	Output is correct
12	Correct	139 ms	171740 KB	Output is correct
13	Correct	155 ms	171772 KB	Output is correct
14	Correct	158 ms	171652 KB	Output is correct
15	Correct	142 ms	171612 KB	Output is correct
16	Correct	143 ms	171640 KB	Output is correct
17	Correct	144 ms	171628 KB	Output is correct

Subtask #2
55.0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	162 ms	171640 KB	Output is correct
2	Correct	143 ms	171612 KB	Output is correct
3	Correct	147 ms	171568 KB	Output is correct
4	Correct	150 ms	171640 KB	Output is correct
5	Correct	144 ms	171640 KB	Output is correct
6	Correct	160 ms	171640 KB	Output is correct
7	Correct	146 ms	171636 KB	Output is correct
8	Correct	136 ms	171540 KB	Output is correct
9	Correct	137 ms	171560 KB	Output is correct
10	Correct	146 ms	171668 KB	Output is correct
11	Correct	156 ms	171768 KB	Output is correct
12	Correct	139 ms	171740 KB	Output is correct
13	Correct	155 ms	171772 KB	Output is correct
14	Correct	158 ms	171652 KB	Output is correct
15	Correct	142 ms	171612 KB	Output is correct
16	Correct	143 ms	171640 KB	Output is correct
17	Correct	144 ms	171628 KB	Output is correct
18	Correct	138 ms	171556 KB	Output is correct
19	Correct	136 ms	171684 KB	Output is correct
20	Correct	135 ms	171640 KB	Output is correct
21	Correct	144 ms	171584 KB	Output is correct
22	Correct	142 ms	171640 KB	Output is correct
23	Correct	169 ms	171640 KB	Output is correct
24	Correct	145 ms	171640 KB	Output is correct
25	Correct	150 ms	171604 KB	Output is correct
26	Correct	135 ms	171640 KB	Output is correct
27	Correct	141 ms	171768 KB	Output is correct
28	Correct	149 ms	171708 KB	Output is correct
29	Correct	164 ms	171656 KB	Output is correct
30	Correct	139 ms	171640 KB	Output is correct
31	Correct	147 ms	171760 KB	Output is correct
32	Correct	138 ms	171640 KB	Output is correct
33	Correct	139 ms	171640 KB	Output is correct
34	Correct	136 ms	171528 KB	Output is correct
35	Correct	150 ms	171640 KB	Output is correct
36	Correct	136 ms	171752 KB	Output is correct
37	Correct	140 ms	171744 KB	Output is correct
38	Correct	142 ms	171620 KB	Output is correct
39	Correct	139 ms	171724 KB	Output is correct
40	Correct	159 ms	171744 KB	Output is correct
41	Correct	136 ms	171644 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	145 ms	171688 KB	Output is correct
2	Correct	145 ms	171632 KB	Output is correct
3	Correct	144 ms	171644 KB	Output is correct
4	Correct	162 ms	171552 KB	Output is correct
5	Correct	138 ms	171604 KB	Output is correct
6	Correct	203 ms	171640 KB	Output is correct
7	Correct	148 ms	171764 KB	Output is correct
8	Correct	147 ms	171720 KB	Output is correct
9	Correct	141 ms	171640 KB	Output is correct
10	Correct	143 ms	171640 KB	Output is correct
11	Correct	154 ms	171640 KB	Output is correct
12	Correct	148 ms	171648 KB	Output is correct
13	Correct	137 ms	171612 KB	Output is correct
14	Correct	142 ms	171640 KB	Output is correct
15	Correct	144 ms	171556 KB	Output is correct
16	Correct	145 ms	171520 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	162 ms	171640 KB	Output is correct
2	Correct	143 ms	171612 KB	Output is correct
3	Correct	147 ms	171568 KB	Output is correct
4	Correct	150 ms	171640 KB	Output is correct
5	Correct	144 ms	171640 KB	Output is correct
6	Correct	160 ms	171640 KB	Output is correct
7	Correct	146 ms	171636 KB	Output is correct
8	Correct	136 ms	171540 KB	Output is correct
9	Correct	137 ms	171560 KB	Output is correct
10	Correct	146 ms	171668 KB	Output is correct
11	Correct	156 ms	171768 KB	Output is correct
12	Correct	139 ms	171740 KB	Output is correct
13	Correct	155 ms	171772 KB	Output is correct
14	Correct	158 ms	171652 KB	Output is correct
15	Correct	142 ms	171612 KB	Output is correct
16	Correct	143 ms	171640 KB	Output is correct
17	Correct	144 ms	171628 KB	Output is correct
18	Correct	138 ms	171556 KB	Output is correct
19	Correct	136 ms	171684 KB	Output is correct
20	Correct	135 ms	171640 KB	Output is correct
21	Correct	144 ms	171584 KB	Output is correct
22	Correct	142 ms	171640 KB	Output is correct
23	Correct	169 ms	171640 KB	Output is correct
24	Correct	145 ms	171640 KB	Output is correct
25	Correct	150 ms	171604 KB	Output is correct
26	Correct	135 ms	171640 KB	Output is correct
27	Correct	141 ms	171768 KB	Output is correct
28	Correct	149 ms	171708 KB	Output is correct
29	Correct	164 ms	171656 KB	Output is correct
30	Correct	139 ms	171640 KB	Output is correct
31	Correct	147 ms	171760 KB	Output is correct
32	Correct	138 ms	171640 KB	Output is correct
33	Correct	139 ms	171640 KB	Output is correct
34	Correct	136 ms	171528 KB	Output is correct
35	Correct	150 ms	171640 KB	Output is correct
36	Correct	136 ms	171752 KB	Output is correct
37	Correct	140 ms	171744 KB	Output is correct
38	Correct	142 ms	171620 KB	Output is correct
39	Correct	139 ms	171724 KB	Output is correct
40	Correct	159 ms	171744 KB	Output is correct
41	Correct	136 ms	171644 KB	Output is correct
42	Correct	145 ms	171688 KB	Output is correct
43	Correct	145 ms	171632 KB	Output is correct
44	Correct	144 ms	171644 KB	Output is correct
45	Correct	162 ms	171552 KB	Output is correct
46	Correct	138 ms	171604 KB	Output is correct
47	Correct	203 ms	171640 KB	Output is correct
48	Correct	148 ms	171764 KB	Output is correct
49	Correct	147 ms	171720 KB	Output is correct
50	Correct	141 ms	171640 KB	Output is correct
51	Correct	143 ms	171640 KB	Output is correct
52	Correct	154 ms	171640 KB	Output is correct
53	Correct	148 ms	171648 KB	Output is correct
54	Correct	137 ms	171612 KB	Output is correct
55	Correct	142 ms	171640 KB	Output is correct
56	Correct	144 ms	171556 KB	Output is correct
57	Correct	145 ms	171520 KB	Output is correct
58	Correct	386 ms	171740 KB	Output is correct
59	Correct	324 ms	171600 KB	Output is correct
60	Correct	296 ms	171656 KB	Output is correct
61	Correct	308 ms	171664 KB	Output is correct
62	Correct	139 ms	171584 KB	Output is correct
63	Correct	147 ms	171612 KB	Output is correct
64	Correct	185 ms	171552 KB	Output is correct
65	Correct	176 ms	171648 KB	Output is correct
66	Correct	327 ms	171672 KB	Output is correct
67	Correct	271 ms	171608 KB	Output is correct
68	Correct	300 ms	171628 KB	Output is correct
69	Correct	303 ms	171596 KB	Output is correct
70	Correct	272 ms	171680 KB	Output is correct
71	Correct	297 ms	171668 KB	Output is correct
72	Correct	153 ms	171632 KB	Output is correct
73	Correct	151 ms	171552 KB	Output is correct

답안 #99089

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