답안 #97957 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
97957	2019-02-19T16:25:04 Z	Anai	Dango Maker (JOI18_dango_maker)	C++14	33 / 100	499 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 = n * m; i >= 1; --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	213 ms	212344 KB	Output is correct
2	Correct	229 ms	212404 KB	Output is correct
3	Correct	200 ms	212472 KB	Output is correct
4	Correct	194 ms	212444 KB	Output is correct
5	Correct	200 ms	212384 KB	Output is correct
6	Correct	231 ms	212344 KB	Output is correct
7	Correct	197 ms	212444 KB	Output is correct
8	Correct	202 ms	212472 KB	Output is correct
9	Correct	193 ms	212572 KB	Output is correct
10	Correct	211 ms	212344 KB	Output is correct
11	Correct	214 ms	212472 KB	Output is correct
12	Correct	194 ms	212536 KB	Output is correct
13	Correct	203 ms	212472 KB	Output is correct
14	Correct	223 ms	212472 KB	Output is correct
15	Correct	193 ms	212348 KB	Output is correct
16	Correct	191 ms	212348 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	213 ms	212344 KB	Output is correct
2	Correct	229 ms	212404 KB	Output is correct
3	Correct	200 ms	212472 KB	Output is correct
4	Correct	194 ms	212444 KB	Output is correct
5	Correct	200 ms	212384 KB	Output is correct
6	Correct	231 ms	212344 KB	Output is correct
7	Correct	197 ms	212444 KB	Output is correct
8	Correct	202 ms	212472 KB	Output is correct
9	Correct	193 ms	212572 KB	Output is correct
10	Correct	211 ms	212344 KB	Output is correct
11	Correct	214 ms	212472 KB	Output is correct
12	Correct	194 ms	212536 KB	Output is correct
13	Correct	203 ms	212472 KB	Output is correct
14	Correct	223 ms	212472 KB	Output is correct
15	Correct	193 ms	212348 KB	Output is correct
16	Correct	191 ms	212348 KB	Output is correct
17	Correct	197 ms	212428 KB	Output is correct
18	Correct	211 ms	212364 KB	Output is correct
19	Correct	192 ms	212472 KB	Output is correct
20	Correct	194 ms	212472 KB	Output is correct
21	Correct	194 ms	212368 KB	Output is correct
22	Correct	193 ms	212472 KB	Output is correct
23	Correct	223 ms	212472 KB	Output is correct
24	Correct	198 ms	212428 KB	Output is correct
25	Correct	209 ms	212344 KB	Output is correct
26	Correct	207 ms	212344 KB	Output is correct
27	Correct	208 ms	212444 KB	Output is correct
28	Correct	234 ms	212444 KB	Output is correct
29	Correct	221 ms	212344 KB	Output is correct
30	Correct	234 ms	212600 KB	Output is correct
31	Correct	229 ms	212472 KB	Output is correct
32	Correct	210 ms	212540 KB	Output is correct
33	Correct	212 ms	212420 KB	Output is correct
34	Correct	213 ms	212584 KB	Output is correct
35	Correct	216 ms	212528 KB	Output is correct
36	Correct	195 ms	212476 KB	Output is correct
37	Correct	193 ms	212344 KB	Output is correct
38	Correct	200 ms	212500 KB	Output is correct
39	Correct	190 ms	212472 KB	Output is correct
40	Correct	218 ms	212440 KB	Output is correct
41	Correct	202 ms	212480 KB	Output is correct
42	Correct	192 ms	212404 KB	Output is correct
43	Correct	200 ms	212472 KB	Output is correct
44	Correct	191 ms	212576 KB	Output is correct
45	Correct	205 ms	212472 KB	Output is correct
46	Correct	202 ms	212344 KB	Output is correct
47	Correct	198 ms	212472 KB	Output is correct
48	Correct	208 ms	212400 KB	Output is correct
49	Correct	199 ms	212472 KB	Output is correct
50	Correct	193 ms	212484 KB	Output is correct
51	Correct	195 ms	212344 KB	Output is correct
52	Correct	213 ms	212472 KB	Output is correct
53	Correct	197 ms	212472 KB	Output is correct

Subtask #3
0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	213 ms	212344 KB	Output is correct
2	Correct	229 ms	212404 KB	Output is correct
3	Correct	200 ms	212472 KB	Output is correct
4	Correct	194 ms	212444 KB	Output is correct
5	Correct	200 ms	212384 KB	Output is correct
6	Correct	231 ms	212344 KB	Output is correct
7	Correct	197 ms	212444 KB	Output is correct
8	Correct	202 ms	212472 KB	Output is correct
9	Correct	193 ms	212572 KB	Output is correct
10	Correct	211 ms	212344 KB	Output is correct
11	Correct	214 ms	212472 KB	Output is correct
12	Correct	194 ms	212536 KB	Output is correct
13	Correct	203 ms	212472 KB	Output is correct
14	Correct	223 ms	212472 KB	Output is correct
15	Correct	193 ms	212348 KB	Output is correct
16	Correct	191 ms	212348 KB	Output is correct
17	Correct	197 ms	212428 KB	Output is correct
18	Correct	211 ms	212364 KB	Output is correct
19	Correct	192 ms	212472 KB	Output is correct
20	Correct	194 ms	212472 KB	Output is correct
21	Correct	194 ms	212368 KB	Output is correct
22	Correct	193 ms	212472 KB	Output is correct
23	Correct	223 ms	212472 KB	Output is correct
24	Correct	198 ms	212428 KB	Output is correct
25	Correct	209 ms	212344 KB	Output is correct
26	Correct	207 ms	212344 KB	Output is correct
27	Correct	208 ms	212444 KB	Output is correct
28	Correct	234 ms	212444 KB	Output is correct
29	Correct	221 ms	212344 KB	Output is correct
30	Correct	234 ms	212600 KB	Output is correct
31	Correct	229 ms	212472 KB	Output is correct
32	Correct	210 ms	212540 KB	Output is correct
33	Correct	212 ms	212420 KB	Output is correct
34	Correct	213 ms	212584 KB	Output is correct
35	Correct	216 ms	212528 KB	Output is correct
36	Correct	195 ms	212476 KB	Output is correct
37	Correct	193 ms	212344 KB	Output is correct
38	Correct	200 ms	212500 KB	Output is correct
39	Correct	190 ms	212472 KB	Output is correct
40	Correct	218 ms	212440 KB	Output is correct
41	Correct	202 ms	212480 KB	Output is correct
42	Correct	192 ms	212404 KB	Output is correct
43	Correct	200 ms	212472 KB	Output is correct
44	Correct	191 ms	212576 KB	Output is correct
45	Correct	205 ms	212472 KB	Output is correct
46	Correct	202 ms	212344 KB	Output is correct
47	Correct	198 ms	212472 KB	Output is correct
48	Correct	208 ms	212400 KB	Output is correct
49	Correct	199 ms	212472 KB	Output is correct
50	Correct	193 ms	212484 KB	Output is correct
51	Correct	195 ms	212344 KB	Output is correct
52	Correct	213 ms	212472 KB	Output is correct
53	Correct	197 ms	212472 KB	Output is correct
54	Correct	191 ms	212444 KB	Output is correct
55	Correct	190 ms	212472 KB	Output is correct
56	Correct	202 ms	212672 KB	Output is correct
57	Correct	194 ms	212600 KB	Output is correct
58	Correct	252 ms	225656 KB	Output is correct
59	Runtime error	499 ms	263168 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
60	Halted	0 ms	0 KB	-

답안 #97957

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