답안 #87890 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
87890	2018-12-03T02:32:24 Z	updown1	Dango Maker (JOI18_dango_maker)	C++17	100 / 100	820 ms	212916 KB

dango_maker

/*
https://codeforces.com/blog/entry/57637?#comment-413356
*/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, N)
#define ffj For(j, 0, M)
#define ffa ffi ffj
#define s <<" "<<
#define c <<" : "<<
#define w cout
#define e "\n"
#define pb push_back
#define mp make_pair
#define a first
#define b second
#define int ll
const int MAXN=3000, INF=10000000000;
///500,000,000
int N, M, out, dp[2*MAXN][3]; /// 0 is none, 1 is up, 2 is side
char grid[MAXN][MAXN];
int up[MAXN][MAXN], side[MAXN][MAXN];

main() {
    //ifstream cin("test.in");
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N >> M;
	ffa cin >> grid[i][j];
	For (i, 1, N-1) ffj if (grid[i-1][j] == 'R' && grid[i][j] == 'G' && grid[i+1][j] == 'W') up[i][j] = 1;
	ffi For (j, 1, M-1) if (grid[i][j-1] == 'R' && grid[i][j] == 'G' && grid[i][j+1] == 'W') side[i][j] = 1;
	For (i, 1, N+M-2) {
	    bool st = true;
	    int curr = 0;
        for (int x =i, y = 0; x >= 0 && y < M; x--, y++) {
            if (x >= N) continue;
            //w<< i c x s y<<e;
            if (st) {
                dp[y][0] = 0;
                dp[y][1] = up[x][y];
                dp[y][2] = side[x][y];
                st = false;
            }
            else {
                dp[y][0] = max(dp[y-1][0], max(dp[y-1][1], dp[y-1][2]));
                dp[y][1] = up[x][y] + max(dp[y-1][0], dp[y-1][1]);
                dp[y][2] = side[x][y] + max(dp[y-1][0], dp[y-1][2]);
            }
            curr = max(max(curr, dp[y][0]), max(dp[y][1], dp[y][2]));
	    }
	    out += curr;
    }
    w<< out<<e;
}

Compilation message

dango_maker.cpp:26:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	2 ms	592 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Correct	2 ms	684 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	2 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	788 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	824 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	2 ms	592 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Correct	2 ms	684 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	2 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	788 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	824 KB	Output is correct
17	Correct	2 ms	824 KB	Output is correct
18	Correct	3 ms	824 KB	Output is correct
19	Correct	2 ms	824 KB	Output is correct
20	Correct	2 ms	824 KB	Output is correct
21	Correct	2 ms	824 KB	Output is correct
22	Correct	2 ms	824 KB	Output is correct
23	Correct	2 ms	824 KB	Output is correct
24	Correct	2 ms	824 KB	Output is correct
25	Correct	2 ms	824 KB	Output is correct
26	Correct	2 ms	824 KB	Output is correct
27	Correct	2 ms	824 KB	Output is correct
28	Correct	2 ms	896 KB	Output is correct
29	Correct	2 ms	896 KB	Output is correct
30	Correct	2 ms	896 KB	Output is correct
31	Correct	2 ms	896 KB	Output is correct
32	Correct	2 ms	896 KB	Output is correct
33	Correct	3 ms	896 KB	Output is correct
34	Correct	3 ms	896 KB	Output is correct
35	Correct	2 ms	964 KB	Output is correct
36	Correct	2 ms	964 KB	Output is correct
37	Correct	3 ms	964 KB	Output is correct
38	Correct	3 ms	964 KB	Output is correct
39	Correct	2 ms	964 KB	Output is correct
40	Correct	3 ms	964 KB	Output is correct
41	Correct	2 ms	964 KB	Output is correct
42	Correct	2 ms	964 KB	Output is correct
43	Correct	2 ms	964 KB	Output is correct
44	Correct	2 ms	964 KB	Output is correct
45	Correct	2 ms	964 KB	Output is correct
46	Correct	2 ms	964 KB	Output is correct
47	Correct	2 ms	964 KB	Output is correct
48	Correct	2 ms	964 KB	Output is correct
49	Correct	2 ms	964 KB	Output is correct
50	Correct	2 ms	964 KB	Output is correct
51	Correct	2 ms	964 KB	Output is correct
52	Correct	2 ms	964 KB	Output is correct
53	Correct	3 ms	964 KB	Output is correct

Subtask #3
67.0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	424 KB	Output is correct
4	Correct	2 ms	440 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	592 KB	Output is correct
7	Correct	2 ms	592 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Correct	2 ms	684 KB	Output is correct
10	Correct	2 ms	684 KB	Output is correct
11	Correct	2 ms	684 KB	Output is correct
12	Correct	2 ms	684 KB	Output is correct
13	Correct	2 ms	788 KB	Output is correct
14	Correct	2 ms	824 KB	Output is correct
15	Correct	2 ms	824 KB	Output is correct
16	Correct	2 ms	824 KB	Output is correct
17	Correct	2 ms	824 KB	Output is correct
18	Correct	3 ms	824 KB	Output is correct
19	Correct	2 ms	824 KB	Output is correct
20	Correct	2 ms	824 KB	Output is correct
21	Correct	2 ms	824 KB	Output is correct
22	Correct	2 ms	824 KB	Output is correct
23	Correct	2 ms	824 KB	Output is correct
24	Correct	2 ms	824 KB	Output is correct
25	Correct	2 ms	824 KB	Output is correct
26	Correct	2 ms	824 KB	Output is correct
27	Correct	2 ms	824 KB	Output is correct
28	Correct	2 ms	896 KB	Output is correct
29	Correct	2 ms	896 KB	Output is correct
30	Correct	2 ms	896 KB	Output is correct
31	Correct	2 ms	896 KB	Output is correct
32	Correct	2 ms	896 KB	Output is correct
33	Correct	3 ms	896 KB	Output is correct
34	Correct	3 ms	896 KB	Output is correct
35	Correct	2 ms	964 KB	Output is correct
36	Correct	2 ms	964 KB	Output is correct
37	Correct	3 ms	964 KB	Output is correct
38	Correct	3 ms	964 KB	Output is correct
39	Correct	2 ms	964 KB	Output is correct
40	Correct	3 ms	964 KB	Output is correct
41	Correct	2 ms	964 KB	Output is correct
42	Correct	2 ms	964 KB	Output is correct
43	Correct	2 ms	964 KB	Output is correct
44	Correct	2 ms	964 KB	Output is correct
45	Correct	2 ms	964 KB	Output is correct
46	Correct	2 ms	964 KB	Output is correct
47	Correct	2 ms	964 KB	Output is correct
48	Correct	2 ms	964 KB	Output is correct
49	Correct	2 ms	964 KB	Output is correct
50	Correct	2 ms	964 KB	Output is correct
51	Correct	2 ms	964 KB	Output is correct
52	Correct	2 ms	964 KB	Output is correct
53	Correct	3 ms	964 KB	Output is correct
54	Correct	7 ms	964 KB	Output is correct
55	Correct	16 ms	10388 KB	Output is correct
56	Correct	8 ms	10388 KB	Output is correct
57	Correct	16 ms	16956 KB	Output is correct
58	Correct	86 ms	27924 KB	Output is correct
59	Correct	819 ms	160616 KB	Output is correct
60	Correct	790 ms	169488 KB	Output is correct
61	Correct	820 ms	178316 KB	Output is correct
62	Correct	7 ms	178316 KB	Output is correct
63	Correct	775 ms	186812 KB	Output is correct
64	Correct	679 ms	195532 KB	Output is correct
65	Correct	692 ms	204316 KB	Output is correct
66	Correct	668 ms	212916 KB	Output is correct
67	Correct	451 ms	212916 KB	Output is correct
68	Correct	451 ms	212916 KB	Output is correct
69	Correct	449 ms	212916 KB	Output is correct
70	Correct	61 ms	212916 KB	Output is correct
71	Correct	61 ms	212916 KB	Output is correct
72	Correct	72 ms	212916 KB	Output is correct
73	Correct	73 ms	212916 KB	Output is correct
74	Correct	70 ms	212916 KB	Output is correct
75	Correct	74 ms	212916 KB	Output is correct
76	Correct	72 ms	212916 KB	Output is correct
77	Correct	72 ms	212916 KB	Output is correct
78	Correct	69 ms	212916 KB	Output is correct
79	Correct	71 ms	212916 KB	Output is correct
80	Correct	68 ms	212916 KB	Output is correct
81	Correct	73 ms	212916 KB	Output is correct
82	Correct	69 ms	212916 KB	Output is correct
83	Correct	73 ms	212916 KB	Output is correct
84	Correct	70 ms	212916 KB	Output is correct
85	Correct	62 ms	212916 KB	Output is correct
86	Correct	71 ms	212916 KB	Output is correct
87	Correct	73 ms	212916 KB	Output is correct
88	Correct	70 ms	212916 KB	Output is correct
89	Correct	69 ms	212916 KB	Output is correct
90	Correct	59 ms	212916 KB	Output is correct

답안 #87890

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