답안 #97956 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
97956	2019-02-19T16:22:28 Z	Anai	Dango Maker (JOI18_dango_maker)	C++14	33 / 100	505 ms	263168 KB

dango_maker

#include <bits/stdc++.h>
using namespace std;

const int N = 3005;


vector<int> g[N * N];
int st[N * N], dr[N * N], f[N * N];

vector<string> mx;
int n, m, fp;

static int cod(int l, int c) {
	return 1 + l * m + c; }

static bool match(int u) {
	if (f[u] == fp)
		return false;
	f[u] = fp;

	for (auto v: g[u]) if (!dr[v]) {
		st[u] = v;
		dr[v] = u;
		return true; }

	for (auto v: g[u]) if (match(dr[v])) {
		st[u] = v;
		dr[v] = u;
		return true; }
	return false;}


int main() {
#ifdef HOME
	freopen("joi_dango.in", "r", stdin);
	freopen("joi_dango.out", "w", stdout);
#endif
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	int add, ant;

	cin >> n >> m;
	mx.resize(n);
	for (auto &line: mx)
		cin >> line;

	ant = 0;
	for (int i = 0; i < n; ++i)
	for (int j = 0; j < m; ++j) if (mx[i][j] == 'R') {
		bool hor = j + 2 < m ? (mx[i][j + 1] == 'G' && mx[i][j + 2] == 'W') : 0;
		bool ver = i + 2 < n ? (mx[i + 1][j] == 'G' && mx[i + 2][j] == 'W') : 0;

		ant+= int(hor) + int(ver);
		if (hor && ver)
			g[cod(i, j)].push_back(cod(i, j)); }

	for (int i = 2; i < n; ++i)
	for (int j = 2; j < m; ++j) if (mx[i][j] == 'W') {
		bool hor = mx[i][j - 2] == 'R' && mx[i][j - 1] == 'G';
		bool ver = mx[i - 2][j] == 'R' && mx[i - 1][j] == 'G';
		if (hor && ver)
			g[cod(i - 2, j)].push_back(cod(i, j - 2)); }
	
	

	for (int i = 1; i < n - 1; ++i)
	for (int j = 1; j < m - 1; ++j) if (mx[i][j] == 'G') {
		if (mx[i - 1][j] == 'R' && mx[i + 1][j] == 'W')
		if (mx[i][j - 1] == 'R' && mx[i][j + 1] == 'W')
			g[cod(i - 1, j)].push_back(cod(i, j - 1)); }

	mx.clear();
	mx.shrink_to_fit();

	do {
		fp+= 1;
		add = 0;
		for (int i = 1; i <= n * m; ++i)
			if (!st[i] && f[i] != fp)
				add+= int(match(i));
		ant-= add; }
	while (add);

	cout << ant << endl;

	return 0; }

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	189 ms	212476 KB	Output is correct
2	Correct	197 ms	212472 KB	Output is correct
3	Correct	229 ms	212464 KB	Output is correct
4	Correct	193 ms	212344 KB	Output is correct
5	Correct	189 ms	212408 KB	Output is correct
6	Correct	203 ms	212392 KB	Output is correct
7	Correct	222 ms	212580 KB	Output is correct
8	Correct	212 ms	212472 KB	Output is correct
9	Correct	196 ms	212476 KB	Output is correct
10	Correct	191 ms	212372 KB	Output is correct
11	Correct	192 ms	212472 KB	Output is correct
12	Correct	186 ms	212472 KB	Output is correct
13	Correct	191 ms	212424 KB	Output is correct
14	Correct	181 ms	212400 KB	Output is correct
15	Correct	209 ms	212456 KB	Output is correct
16	Correct	191 ms	212344 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	189 ms	212476 KB	Output is correct
2	Correct	197 ms	212472 KB	Output is correct
3	Correct	229 ms	212464 KB	Output is correct
4	Correct	193 ms	212344 KB	Output is correct
5	Correct	189 ms	212408 KB	Output is correct
6	Correct	203 ms	212392 KB	Output is correct
7	Correct	222 ms	212580 KB	Output is correct
8	Correct	212 ms	212472 KB	Output is correct
9	Correct	196 ms	212476 KB	Output is correct
10	Correct	191 ms	212372 KB	Output is correct
11	Correct	192 ms	212472 KB	Output is correct
12	Correct	186 ms	212472 KB	Output is correct
13	Correct	191 ms	212424 KB	Output is correct
14	Correct	181 ms	212400 KB	Output is correct
15	Correct	209 ms	212456 KB	Output is correct
16	Correct	191 ms	212344 KB	Output is correct
17	Correct	191 ms	212376 KB	Output is correct
18	Correct	184 ms	212472 KB	Output is correct
19	Correct	192 ms	212444 KB	Output is correct
20	Correct	199 ms	212452 KB	Output is correct
21	Correct	196 ms	212472 KB	Output is correct
22	Correct	208 ms	212472 KB	Output is correct
23	Correct	211 ms	212472 KB	Output is correct
24	Correct	185 ms	212472 KB	Output is correct
25	Correct	208 ms	212472 KB	Output is correct
26	Correct	188 ms	212344 KB	Output is correct
27	Correct	193 ms	212364 KB	Output is correct
28	Correct	197 ms	212396 KB	Output is correct
29	Correct	194 ms	212472 KB	Output is correct
30	Correct	198 ms	212504 KB	Output is correct
31	Correct	194 ms	212448 KB	Output is correct
32	Correct	191 ms	212436 KB	Output is correct
33	Correct	197 ms	212444 KB	Output is correct
34	Correct	189 ms	212472 KB	Output is correct
35	Correct	189 ms	212472 KB	Output is correct
36	Correct	203 ms	212492 KB	Output is correct
37	Correct	186 ms	212472 KB	Output is correct
38	Correct	192 ms	212348 KB	Output is correct
39	Correct	181 ms	212364 KB	Output is correct
40	Correct	188 ms	212344 KB	Output is correct
41	Correct	217 ms	212556 KB	Output is correct
42	Correct	190 ms	212476 KB	Output is correct
43	Correct	188 ms	212344 KB	Output is correct
44	Correct	196 ms	212472 KB	Output is correct
45	Correct	194 ms	212472 KB	Output is correct
46	Correct	198 ms	212476 KB	Output is correct
47	Correct	210 ms	212344 KB	Output is correct
48	Correct	192 ms	212568 KB	Output is correct
49	Correct	221 ms	212344 KB	Output is correct
50	Correct	200 ms	212344 KB	Output is correct
51	Correct	208 ms	212544 KB	Output is correct
52	Correct	193 ms	212356 KB	Output is correct
53	Correct	185 ms	212344 KB	Output is correct

Subtask #3
0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	189 ms	212476 KB	Output is correct
2	Correct	197 ms	212472 KB	Output is correct
3	Correct	229 ms	212464 KB	Output is correct
4	Correct	193 ms	212344 KB	Output is correct
5	Correct	189 ms	212408 KB	Output is correct
6	Correct	203 ms	212392 KB	Output is correct
7	Correct	222 ms	212580 KB	Output is correct
8	Correct	212 ms	212472 KB	Output is correct
9	Correct	196 ms	212476 KB	Output is correct
10	Correct	191 ms	212372 KB	Output is correct
11	Correct	192 ms	212472 KB	Output is correct
12	Correct	186 ms	212472 KB	Output is correct
13	Correct	191 ms	212424 KB	Output is correct
14	Correct	181 ms	212400 KB	Output is correct
15	Correct	209 ms	212456 KB	Output is correct
16	Correct	191 ms	212344 KB	Output is correct
17	Correct	191 ms	212376 KB	Output is correct
18	Correct	184 ms	212472 KB	Output is correct
19	Correct	192 ms	212444 KB	Output is correct
20	Correct	199 ms	212452 KB	Output is correct
21	Correct	196 ms	212472 KB	Output is correct
22	Correct	208 ms	212472 KB	Output is correct
23	Correct	211 ms	212472 KB	Output is correct
24	Correct	185 ms	212472 KB	Output is correct
25	Correct	208 ms	212472 KB	Output is correct
26	Correct	188 ms	212344 KB	Output is correct
27	Correct	193 ms	212364 KB	Output is correct
28	Correct	197 ms	212396 KB	Output is correct
29	Correct	194 ms	212472 KB	Output is correct
30	Correct	198 ms	212504 KB	Output is correct
31	Correct	194 ms	212448 KB	Output is correct
32	Correct	191 ms	212436 KB	Output is correct
33	Correct	197 ms	212444 KB	Output is correct
34	Correct	189 ms	212472 KB	Output is correct
35	Correct	189 ms	212472 KB	Output is correct
36	Correct	203 ms	212492 KB	Output is correct
37	Correct	186 ms	212472 KB	Output is correct
38	Correct	192 ms	212348 KB	Output is correct
39	Correct	181 ms	212364 KB	Output is correct
40	Correct	188 ms	212344 KB	Output is correct
41	Correct	217 ms	212556 KB	Output is correct
42	Correct	190 ms	212476 KB	Output is correct
43	Correct	188 ms	212344 KB	Output is correct
44	Correct	196 ms	212472 KB	Output is correct
45	Correct	194 ms	212472 KB	Output is correct
46	Correct	198 ms	212476 KB	Output is correct
47	Correct	210 ms	212344 KB	Output is correct
48	Correct	192 ms	212568 KB	Output is correct
49	Correct	221 ms	212344 KB	Output is correct
50	Correct	200 ms	212344 KB	Output is correct
51	Correct	208 ms	212544 KB	Output is correct
52	Correct	193 ms	212356 KB	Output is correct
53	Correct	185 ms	212344 KB	Output is correct
54	Correct	200 ms	212340 KB	Output is correct
55	Correct	198 ms	212472 KB	Output is correct
56	Correct	213 ms	212644 KB	Output is correct
57	Correct	204 ms	212728 KB	Output is correct
58	Correct	292 ms	225628 KB	Output is correct
59	Runtime error	505 ms	263168 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
60	Halted	0 ms	0 KB	-

답안 #97956

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 20.0 / 20.0

Subtask #3 0 / 67.0

Subtask #1
13.0 / 13.0

Subtask #2
20.0 / 20.0

Subtask #3
0 / 67.0