답안 #59559 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
59559	2018-07-22T10:21:22 Z	zadrga	Dango Maker (JOI18_dango_maker)	C++14	100 / 100	1202 ms	123924 KB

dango_maker

/*
Idea:
- http://codeforces.com/blog/entry/57637?#comment-413356 (Problem 3)
*/

#include <bits/stdc++.h>
 
using namespace std;
 
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (1 << 30)
#define MOD (1000 * 1000 * 1000 + 7)
#define maxn 3111

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pii;

char str[maxn][maxn];
int dp[maxn][maxn][3];
int n, m;

bool can(int x, int y, char c){
	if(x < 1 || x > n || y < 1 || y > m)
		return 0;

	return (str[x][y] == c);
}

int fun(int x, int y, int t){ 		// 0 - nothing, 1 - horizontal, 2 - vertical
	if(x < 1 || x > n || y < 1 || y > m)
		return 0;

	int &cur = dp[x][y][t];
	if(cur != -1)
		return cur;

	int add = 0;
	if(t == 1 && can(x, y - 1, 'R') && can(x, y, 'G') && can(x, y + 1, 'W'))
		add = 1;

	if(t == 2 && can(x - 1, y, 'R') && can(x, y, 'G') && can(x + 1, y, 'W'))
		add = 1;

	if(t != 0 && add == 0)
		return 0;
	
	cur = 0;
	for(int i = 0; i < 3; i++){
		if(t + i == 3)
			continue;

		cur = max(cur, fun(x - 1, y + 1, i) + add);
	} 
	return cur;
}

int main(){
	scanf("%d%d", &n, &m);
	memset(dp, -1, sizeof(dp));

	for(int i = 1; i <= n; i++)
		scanf("%s", str[i] + 1);

	int ans = 0;
	for(int i = 1; i <= n; i++)
		ans += max(fun(i, 1, 0), max(fun(i, 1, 1), fun(i, 1, 2)));

	for(int i = 2; i <= m; i++)
		ans += max(fun(n, i, 0), max(fun(n, i, 1), fun(n, i, 2)));

	printf("%d\n", ans);
	return 0;
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:62:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
dango_maker.cpp:66:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", str[i] + 1);
   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	113912 KB	Output is correct
2	Correct	85 ms	114020 KB	Output is correct
3	Correct	88 ms	114224 KB	Output is correct
4	Correct	89 ms	114224 KB	Output is correct
5	Correct	86 ms	114224 KB	Output is correct
6	Correct	90 ms	114224 KB	Output is correct
7	Correct	87 ms	114224 KB	Output is correct
8	Correct	83 ms	114224 KB	Output is correct
9	Correct	85 ms	114224 KB	Output is correct
10	Correct	89 ms	114264 KB	Output is correct
11	Correct	85 ms	114264 KB	Output is correct
12	Correct	96 ms	114268 KB	Output is correct
13	Correct	98 ms	114268 KB	Output is correct
14	Correct	96 ms	114268 KB	Output is correct
15	Correct	93 ms	114428 KB	Output is correct
16	Correct	97 ms	114428 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	113912 KB	Output is correct
2	Correct	85 ms	114020 KB	Output is correct
3	Correct	88 ms	114224 KB	Output is correct
4	Correct	89 ms	114224 KB	Output is correct
5	Correct	86 ms	114224 KB	Output is correct
6	Correct	90 ms	114224 KB	Output is correct
7	Correct	87 ms	114224 KB	Output is correct
8	Correct	83 ms	114224 KB	Output is correct
9	Correct	85 ms	114224 KB	Output is correct
10	Correct	89 ms	114264 KB	Output is correct
11	Correct	85 ms	114264 KB	Output is correct
12	Correct	96 ms	114268 KB	Output is correct
13	Correct	98 ms	114268 KB	Output is correct
14	Correct	96 ms	114268 KB	Output is correct
15	Correct	93 ms	114428 KB	Output is correct
16	Correct	97 ms	114428 KB	Output is correct
17	Correct	90 ms	114428 KB	Output is correct
18	Correct	101 ms	114428 KB	Output is correct
19	Correct	89 ms	114428 KB	Output is correct
20	Correct	87 ms	114428 KB	Output is correct
21	Correct	89 ms	114428 KB	Output is correct
22	Correct	105 ms	114428 KB	Output is correct
23	Correct	104 ms	114428 KB	Output is correct
24	Correct	96 ms	114428 KB	Output is correct
25	Correct	96 ms	114428 KB	Output is correct
26	Correct	104 ms	114428 KB	Output is correct
27	Correct	99 ms	114428 KB	Output is correct
28	Correct	97 ms	114428 KB	Output is correct
29	Correct	102 ms	114428 KB	Output is correct
30	Correct	109 ms	114428 KB	Output is correct
31	Correct	101 ms	114428 KB	Output is correct
32	Correct	97 ms	114428 KB	Output is correct
33	Correct	87 ms	114428 KB	Output is correct
34	Correct	87 ms	114428 KB	Output is correct
35	Correct	96 ms	114428 KB	Output is correct
36	Correct	95 ms	114428 KB	Output is correct
37	Correct	102 ms	114428 KB	Output is correct
38	Correct	98 ms	114428 KB	Output is correct
39	Correct	102 ms	114428 KB	Output is correct
40	Correct	97 ms	114428 KB	Output is correct
41	Correct	97 ms	114428 KB	Output is correct
42	Correct	98 ms	114428 KB	Output is correct
43	Correct	99 ms	114428 KB	Output is correct
44	Correct	95 ms	114428 KB	Output is correct
45	Correct	87 ms	114428 KB	Output is correct
46	Correct	86 ms	114428 KB	Output is correct
47	Correct	87 ms	114428 KB	Output is correct
48	Correct	95 ms	114428 KB	Output is correct
49	Correct	98 ms	114428 KB	Output is correct
50	Correct	86 ms	114428 KB	Output is correct
51	Correct	94 ms	114428 KB	Output is correct
52	Correct	90 ms	114428 KB	Output is correct
53	Correct	100 ms	114428 KB	Output is correct

Subtask #3
67.0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	113912 KB	Output is correct
2	Correct	85 ms	114020 KB	Output is correct
3	Correct	88 ms	114224 KB	Output is correct
4	Correct	89 ms	114224 KB	Output is correct
5	Correct	86 ms	114224 KB	Output is correct
6	Correct	90 ms	114224 KB	Output is correct
7	Correct	87 ms	114224 KB	Output is correct
8	Correct	83 ms	114224 KB	Output is correct
9	Correct	85 ms	114224 KB	Output is correct
10	Correct	89 ms	114264 KB	Output is correct
11	Correct	85 ms	114264 KB	Output is correct
12	Correct	96 ms	114268 KB	Output is correct
13	Correct	98 ms	114268 KB	Output is correct
14	Correct	96 ms	114268 KB	Output is correct
15	Correct	93 ms	114428 KB	Output is correct
16	Correct	97 ms	114428 KB	Output is correct
17	Correct	90 ms	114428 KB	Output is correct
18	Correct	101 ms	114428 KB	Output is correct
19	Correct	89 ms	114428 KB	Output is correct
20	Correct	87 ms	114428 KB	Output is correct
21	Correct	89 ms	114428 KB	Output is correct
22	Correct	105 ms	114428 KB	Output is correct
23	Correct	104 ms	114428 KB	Output is correct
24	Correct	96 ms	114428 KB	Output is correct
25	Correct	96 ms	114428 KB	Output is correct
26	Correct	104 ms	114428 KB	Output is correct
27	Correct	99 ms	114428 KB	Output is correct
28	Correct	97 ms	114428 KB	Output is correct
29	Correct	102 ms	114428 KB	Output is correct
30	Correct	109 ms	114428 KB	Output is correct
31	Correct	101 ms	114428 KB	Output is correct
32	Correct	97 ms	114428 KB	Output is correct
33	Correct	87 ms	114428 KB	Output is correct
34	Correct	87 ms	114428 KB	Output is correct
35	Correct	96 ms	114428 KB	Output is correct
36	Correct	95 ms	114428 KB	Output is correct
37	Correct	102 ms	114428 KB	Output is correct
38	Correct	98 ms	114428 KB	Output is correct
39	Correct	102 ms	114428 KB	Output is correct
40	Correct	97 ms	114428 KB	Output is correct
41	Correct	97 ms	114428 KB	Output is correct
42	Correct	98 ms	114428 KB	Output is correct
43	Correct	99 ms	114428 KB	Output is correct
44	Correct	95 ms	114428 KB	Output is correct
45	Correct	87 ms	114428 KB	Output is correct
46	Correct	86 ms	114428 KB	Output is correct
47	Correct	87 ms	114428 KB	Output is correct
48	Correct	95 ms	114428 KB	Output is correct
49	Correct	98 ms	114428 KB	Output is correct
50	Correct	86 ms	114428 KB	Output is correct
51	Correct	94 ms	114428 KB	Output is correct
52	Correct	90 ms	114428 KB	Output is correct
53	Correct	100 ms	114428 KB	Output is correct
54	Correct	100 ms	114428 KB	Output is correct
55	Correct	112 ms	123444 KB	Output is correct
56	Correct	106 ms	123444 KB	Output is correct
57	Correct	105 ms	123444 KB	Output is correct
58	Correct	191 ms	123444 KB	Output is correct
59	Correct	1186 ms	123760 KB	Output is correct
60	Correct	1080 ms	123760 KB	Output is correct
61	Correct	987 ms	123764 KB	Output is correct
62	Correct	91 ms	123764 KB	Output is correct
63	Correct	1002 ms	123780 KB	Output is correct
64	Correct	1196 ms	123924 KB	Output is correct
65	Correct	997 ms	123924 KB	Output is correct
66	Correct	1202 ms	123924 KB	Output is correct
67	Correct	1097 ms	123924 KB	Output is correct
68	Correct	1156 ms	123924 KB	Output is correct
69	Correct	1053 ms	123924 KB	Output is correct
70	Correct	171 ms	123924 KB	Output is correct
71	Correct	185 ms	123924 KB	Output is correct
72	Correct	175 ms	123924 KB	Output is correct
73	Correct	193 ms	123924 KB	Output is correct
74	Correct	208 ms	123924 KB	Output is correct
75	Correct	204 ms	123924 KB	Output is correct
76	Correct	165 ms	123924 KB	Output is correct
77	Correct	165 ms	123924 KB	Output is correct
78	Correct	161 ms	123924 KB	Output is correct
79	Correct	159 ms	123924 KB	Output is correct
80	Correct	178 ms	123924 KB	Output is correct
81	Correct	219 ms	123924 KB	Output is correct
82	Correct	161 ms	123924 KB	Output is correct
83	Correct	165 ms	123924 KB	Output is correct
84	Correct	193 ms	123924 KB	Output is correct
85	Correct	188 ms	123924 KB	Output is correct
86	Correct	179 ms	123924 KB	Output is correct
87	Correct	158 ms	123924 KB	Output is correct
88	Correct	213 ms	123924 KB	Output is correct
89	Correct	168 ms	123924 KB	Output is correct
90	Correct	176 ms	123924 KB	Output is correct

답안 #59559

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 20.0 / 20.0

Subtask #3 67.0 / 67.0

Subtask #1
13.0 / 13.0

Subtask #2
20.0 / 20.0

Subtask #3
67.0 / 67.0