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답안 #121213

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
121213 2019-06-26T08:12:01 Z 윤교준(#2970) Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 166 ms 4352 KB 
#include <bits/stdc++.h>
#define eb emplace_back
#define sz(V) ((int)(V).size())
#define upmin(a,b) (a)=min((a),(b))
#define INF (0x3f3f3f3f)
using namespace std;

const int MAXN = 405;

int DP[2][MAXN][MAXN][3];

vector<int> AV[3];
int AC[MAXN][3];
int A[MAXN];

int N, Ans = INF;

int f(int a, int b, int c, int v) {
	if(!v) v = AV[0][a];
	else if(1 == v) v = AV[1][b];
	else v = AV[2][c];
	return max(0, AC[v-1][0]-a) + max(0, AC[v-1][1]-b) + max(0, AC[v-1][2]-c);
}

int main() {
	{
		char str[MAXN];
		scanf("%d %s", &N, str+1);
		for(int i = 1; i <= N; i++) {
			if('R' == str[i]) A[i] = 1;
			if('G' == str[i]) A[i] = 2;
		}
	}
	for(int i = 1; i <= N; i++) AV[A[i]].eb(i);
	for(int i = 1; i <= N; i++) {
		for(int t = 0; t < 3; t++) {
			AC[i][t] = AC[i-1][t];
		}
		AC[i][A[i]]++;
	}

	fill(DP[0][0][0], DP[1][MAXN-1][MAXN-1]+3, INF);

	if(!AV[0].empty()) DP[1][1][0][0] = AV[0][0] - 1;
	if(!AV[1].empty()) DP[1][0][1][1] = AV[1][0] - 1;
	if(!AV[2].empty()) DP[1][0][0][2] = AV[2][0] - 1;

	for(int l = 1; l < N; l++) {
		fill(DP[1^l&1][0][0], DP[1^l&1][MAXN-1][MAXN-1]+3, INF);
		for(int a = 0; a <= l && a <= sz(AV[0]); a++) {
			for(int b = 0; b <= l && b <= sz(AV[1]); b++) {
				int c = l-a-b;
				if(c < 0 || sz(AV[2]) < c) continue;
				for(int t = 0; t < 3; t++) {
					int ret = DP[l&1][a][b][t];
					if(INF <= ret) continue;

					for(int v = 0; v < 3; v++) {
						if(t == v) continue;
						if(!v) {
							if(a == sz(AV[0])) continue;
							upmin(DP[1^l&1][a+1][b][0], ret + f(a, b, c, 0));
						} else if(1 == v) {
							if(b == sz(AV[1])) continue;
							upmin(DP[1^l&1][a][b+1][1], ret + f(a, b, c, 1));
						} else {
							if(c == sz(AV[2])) continue;
							upmin(DP[1^l&1][a][b][2], ret + f(a, b, c, 2));
						}
					}
				}
			}
		}
	}

	for(int i = 0; i < 3; i++)
		upmin(Ans, DP[N&1][sz(AV[0])][sz(AV[1])][i]);
	
	cout << (INF <= Ans ? -1 : Ans) << endl;
	return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:49:14: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   fill(DP[1^l&1][0][0], DP[1^l&1][MAXN-1][MAXN-1]+3, INF);
             ~^~
joi2019_ho_t3.cpp:49:31: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   fill(DP[1^l&1][0][0], DP[1^l&1][MAXN-1][MAXN-1]+3, INF);
                              ~^~
joi2019_ho_t3.cpp:62:20: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
        upmin(DP[1^l&1][a+1][b][0], ret + f(a, b, c, 0));
                   ~^~
joi2019_ho_t3.cpp:4:21: note: in definition of macro 'upmin'
 #define upmin(a,b) (a)=min((a),(b))
                     ^
joi2019_ho_t3.cpp:62:20: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
        upmin(DP[1^l&1][a+1][b][0], ret + f(a, b, c, 0));
                   ~^~
joi2019_ho_t3.cpp:4:29: note: in definition of macro 'upmin'
 #define upmin(a,b) (a)=min((a),(b))
                             ^
joi2019_ho_t3.cpp:65:20: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
        upmin(DP[1^l&1][a][b+1][1], ret + f(a, b, c, 1));
                   ~^~
joi2019_ho_t3.cpp:4:21: note: in definition of macro 'upmin'
 #define upmin(a,b) (a)=min((a),(b))
                     ^
joi2019_ho_t3.cpp:65:20: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
        upmin(DP[1^l&1][a][b+1][1], ret + f(a, b, c, 1));
                   ~^~
joi2019_ho_t3.cpp:4:29: note: in definition of macro 'upmin'
 #define upmin(a,b) (a)=min((a),(b))
                             ^
joi2019_ho_t3.cpp:68:20: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
        upmin(DP[1^l&1][a][b][2], ret + f(a, b, c, 2));
                   ~^~
joi2019_ho_t3.cpp:4:21: note: in definition of macro 'upmin'
 #define upmin(a,b) (a)=min((a),(b))
                     ^
joi2019_ho_t3.cpp:68:20: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
        upmin(DP[1^l&1][a][b][2], ret + f(a, b, c, 2));
                   ~^~
joi2019_ho_t3.cpp:4:29: note: in definition of macro 'upmin'
 #define upmin(a,b) (a)=min((a),(b))
                             ^
joi2019_ho_t3.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %s", &N, str+1);
   ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4224 KB Output is correct
2 Correct 5 ms 4096 KB Output is correct
3 Correct 5 ms 4224 KB Output is correct
4 Correct 7 ms 4224 KB Output is correct
5 Correct 8 ms 4224 KB Output is correct
6 Correct 8 ms 4224 KB Output is correct
7 Correct 8 ms 4096 KB Output is correct
8 Correct 7 ms 4096 KB Output is correct
9 Correct 9 ms 4224 KB Output is correct
10 Correct 8 ms 4224 KB Output is correct
11 Correct 8 ms 4224 KB Output is correct
12 Correct 8 ms 4224 KB Output is correct
13 Correct 8 ms 4224 KB Output is correct
14 Correct 8 ms 4224 KB Output is correct
15 Correct 8 ms 4224 KB Output is correct
16 Correct 8 ms 4224 KB Output is correct
17 Correct 8 ms 4096 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4224 KB Output is correct
2 Correct 5 ms 4096 KB Output is correct
3 Correct 5 ms 4224 KB Output is correct
4 Correct 7 ms 4224 KB Output is correct
5 Correct 8 ms 4224 KB Output is correct
6 Correct 8 ms 4224 KB Output is correct
7 Correct 8 ms 4096 KB Output is correct
8 Correct 7 ms 4096 KB Output is correct
9 Correct 9 ms 4224 KB Output is correct
10 Correct 8 ms 4224 KB Output is correct
11 Correct 8 ms 4224 KB Output is correct
12 Correct 8 ms 4224 KB Output is correct
13 Correct 8 ms 4224 KB Output is correct
14 Correct 8 ms 4224 KB Output is correct
15 Correct 8 ms 4224 KB Output is correct
16 Correct 8 ms 4224 KB Output is correct
17 Correct 8 ms 4096 KB Output is correct
18 Correct 20 ms 4096 KB Output is correct
19 Correct 18 ms 4224 KB Output is correct
20 Correct 20 ms 4224 KB Output is correct
21 Correct 19 ms 4216 KB Output is correct
22 Correct 20 ms 4224 KB Output is correct
23 Correct 21 ms 4128 KB Output is correct
24 Correct 17 ms 4224 KB Output is correct
25 Correct 18 ms 4224 KB Output is correct
26 Correct 17 ms 4216 KB Output is correct
27 Correct 18 ms 4224 KB Output is correct
28 Correct 18 ms 4096 KB Output is correct
29 Correct 18 ms 4224 KB Output is correct
30 Correct 18 ms 4224 KB Output is correct
31 Correct 19 ms 4096 KB Output is correct
32 Correct 18 ms 4224 KB Output is correct
33 Correct 18 ms 4224 KB Output is correct
34 Correct 18 ms 4224 KB Output is correct
35 Correct 18 ms 4224 KB Output is correct
36 Correct 18 ms 4224 KB Output is correct
37 Correct 17 ms 4224 KB Output is correct
38 Correct 18 ms 4224 KB Output is correct
39 Correct 18 ms 4224 KB Output is correct
40 Correct 17 ms 4352 KB Output is correct
41 Correct 19 ms 4348 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4224 KB Output is correct
2 Correct 94 ms 4216 KB Output is correct
3 Correct 95 ms 4224 KB Output is correct
4 Correct 96 ms 4224 KB Output is correct
5 Correct 90 ms 4216 KB Output is correct
6 Correct 89 ms 4224 KB Output is correct
7 Correct 95 ms 4344 KB Output is correct
8 Correct 97 ms 4216 KB Output is correct
9 Correct 89 ms 4224 KB Output is correct
10 Correct 93 ms 4248 KB Output is correct
11 Correct 94 ms 4216 KB Output is correct
12 Correct 54 ms 4344 KB Output is correct
13 Correct 67 ms 4216 KB Output is correct
14 Correct 81 ms 4224 KB Output is correct
15 Correct 94 ms 4344 KB Output is correct
16 Correct 96 ms 4216 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4224 KB Output is correct
2 Correct 5 ms 4096 KB Output is correct
3 Correct 5 ms 4224 KB Output is correct
4 Correct 7 ms 4224 KB Output is correct
5 Correct 8 ms 4224 KB Output is correct
6 Correct 8 ms 4224 KB Output is correct
7 Correct 8 ms 4096 KB Output is correct
8 Correct 7 ms 4096 KB Output is correct
9 Correct 9 ms 4224 KB Output is correct
10 Correct 8 ms 4224 KB Output is correct
11 Correct 8 ms 4224 KB Output is correct
12 Correct 8 ms 4224 KB Output is correct
13 Correct 8 ms 4224 KB Output is correct
14 Correct 8 ms 4224 KB Output is correct
15 Correct 8 ms 4224 KB Output is correct
16 Correct 8 ms 4224 KB Output is correct
17 Correct 8 ms 4096 KB Output is correct
18 Correct 20 ms 4096 KB Output is correct
19 Correct 18 ms 4224 KB Output is correct
20 Correct 20 ms 4224 KB Output is correct
21 Correct 19 ms 4216 KB Output is correct
22 Correct 20 ms 4224 KB Output is correct
23 Correct 21 ms 4128 KB Output is correct
24 Correct 17 ms 4224 KB Output is correct
25 Correct 18 ms 4224 KB Output is correct
26 Correct 17 ms 4216 KB Output is correct
27 Correct 18 ms 4224 KB Output is correct
28 Correct 18 ms 4096 KB Output is correct
29 Correct 18 ms 4224 KB Output is correct
30 Correct 18 ms 4224 KB Output is correct
31 Correct 19 ms 4096 KB Output is correct
32 Correct 18 ms 4224 KB Output is correct
33 Correct 18 ms 4224 KB Output is correct
34 Correct 18 ms 4224 KB Output is correct
35 Correct 18 ms 4224 KB Output is correct
36 Correct 18 ms 4224 KB Output is correct
37 Correct 17 ms 4224 KB Output is correct
38 Correct 18 ms 4224 KB Output is correct
39 Correct 18 ms 4224 KB Output is correct
40 Correct 17 ms 4352 KB Output is correct
41 Correct 19 ms 4348 KB Output is correct
42 Correct 6 ms 4224 KB Output is correct
43 Correct 94 ms 4216 KB Output is correct
44 Correct 95 ms 4224 KB Output is correct
45 Correct 96 ms 4224 KB Output is correct
46 Correct 90 ms 4216 KB Output is correct
47 Correct 89 ms 4224 KB Output is correct
48 Correct 95 ms 4344 KB Output is correct
49 Correct 97 ms 4216 KB Output is correct
50 Correct 89 ms 4224 KB Output is correct
51 Correct 93 ms 4248 KB Output is correct
52 Correct 94 ms 4216 KB Output is correct
53 Correct 54 ms 4344 KB Output is correct
54 Correct 67 ms 4216 KB Output is correct
55 Correct 81 ms 4224 KB Output is correct
56 Correct 94 ms 4344 KB Output is correct
57 Correct 96 ms 4216 KB Output is correct
58 Correct 157 ms 4216 KB Output is correct
59 Correct 156 ms 4216 KB Output is correct
60 Correct 155 ms 4316 KB Output is correct
61 Correct 159 ms 4216 KB Output is correct
62 Correct 96 ms 4248 KB Output is correct
63 Correct 97 ms 4224 KB Output is correct
64 Correct 107 ms 4224 KB Output is correct
65 Correct 124 ms 4224 KB Output is correct
66 Correct 155 ms 4216 KB Output is correct
67 Correct 166 ms 4212 KB Output is correct
68 Correct 154 ms 4216 KB Output is correct
69 Correct 157 ms 4224 KB Output is correct
70 Correct 152 ms 4224 KB Output is correct
71 Correct 145 ms 4256 KB Output is correct
72 Correct 98 ms 4216 KB Output is correct
73 Correct 96 ms 4224 KB Output is correct