답안 #1004920

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1004920	2024-06-22T04:12:24 Z	_callmelucian	Dango Maker (JOI18_dango_maker)	C++14	100 / 100	170 ms	18036 KB

dango_maker

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

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pl;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;

#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())

/*
    - dumplings order: R-G-B
    if   G on the i-th diagonal contributes to a stick
    then R is on the (i-1)-th diagonal
         W is on the (i+1)-th diagonal

    - G's on different diagonals are dependent

    - a horizontal and vertical stick on the same
    diagonal can't be placed consecutive.
*/

int dpNot[3003], dpHor[3003], dpVer[3003], n, m;
char a[3003][3003];

bool okHor (int row, int col) {
    if (row - 1 < 1 || row + 1 > n) return 0;
    return a[row - 1][col] == 'R'
        && a[row][col] == 'G'
        && a[row + 1][col] == 'W';
}

bool okVer (int row, int col) {
    if (col - 1 < 1 || col + 1 > m) return 0;
    return a[row][col - 1] == 'R'
        && a[row][col] == 'G'
        && a[row][col + 1] == 'W';
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++) cin >> a[i][j];

    int ans = 0;
    for (int diag = 2; diag <= n + m; diag++) {
        int mn = max(1, diag - m), mx = min(n, diag - 1);
        for (int row = mn - 1; row <= mx; row++)
            dpNot[row] = dpHor[row] = dpVer[row] = 0;

        for (int row = mn; row <= mx; row++) {
            int col = diag - row;
            dpNot[row] = max(dpNot[row - 1], max(dpHor[row - 1], dpVer[row - 1]));
            if (okHor(row, col)) dpHor[row] = max(dpHor[row - 1], dpNot[row - 1]) + 1;
            if (okVer(row, col)) dpVer[row] = max(dpVer[row - 1], dpNot[row - 1]) + 1;
        }

        ans += max(dpNot[mx], max(dpHor[mx], dpVer[mx]));
    }

    cout << ans;

    return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	412 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	356 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	468 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	412 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	356 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	468 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	472 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct

Subtask #3
67.0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	412 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	356 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	468 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	472 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	9304 KB	Output is correct
56	Correct	1 ms	344 KB	Output is correct
57	Correct	1 ms	6748 KB	Output is correct
58	Correct	20 ms	5724 KB	Output is correct
59	Correct	167 ms	18000 KB	Output is correct
60	Correct	170 ms	17916 KB	Output is correct
61	Correct	165 ms	18036 KB	Output is correct
62	Correct	1 ms	344 KB	Output is correct
63	Correct	160 ms	17744 KB	Output is correct
64	Correct	116 ms	18004 KB	Output is correct
65	Correct	115 ms	18000 KB	Output is correct
66	Correct	109 ms	18000 KB	Output is correct
67	Correct	114 ms	18004 KB	Output is correct
68	Correct	112 ms	18000 KB	Output is correct
69	Correct	117 ms	18004 KB	Output is correct
70	Correct	13 ms	5640 KB	Output is correct
71	Correct	13 ms	5724 KB	Output is correct
72	Correct	13 ms	5724 KB	Output is correct
73	Correct	14 ms	5756 KB	Output is correct
74	Correct	15 ms	5724 KB	Output is correct
75	Correct	14 ms	5724 KB	Output is correct
76	Correct	11 ms	5724 KB	Output is correct
77	Correct	14 ms	5864 KB	Output is correct
78	Correct	13 ms	5724 KB	Output is correct
79	Correct	13 ms	5720 KB	Output is correct
80	Correct	11 ms	5720 KB	Output is correct
81	Correct	12 ms	5632 KB	Output is correct
82	Correct	13 ms	5724 KB	Output is correct
83	Correct	13 ms	5736 KB	Output is correct
84	Correct	13 ms	5724 KB	Output is correct
85	Correct	14 ms	5756 KB	Output is correct
86	Correct	13 ms	5720 KB	Output is correct
87	Correct	15 ms	5720 KB	Output is correct
88	Correct	13 ms	5720 KB	Output is correct
89	Correct	13 ms	5724 KB	Output is correct
90	Correct	13 ms	5548 KB	Output is correct

답안 #1004920

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