Submission #312953

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
312953	2020-10-14T20:08:32 Z	fergonzgut21	Mecho (IOI09_mecho)	C++17	37 / 100	381 ms	9088 KB

mecho

#include <iostream>
#include <queue>
#define MAX 805
using namespace std;

struct bee
{
    short int x;
    short int y;
    int t;
    int r;
};

int N, S, sx, sy, ex, ey, B[MAX][MAX], vis[MAX][MAX][2], rilres = -1;
char A[MAX][MAX];
queue <bee> qiu, qiu2;
bee temp;

void solve ()
{
    while (!qiu.empty())
    {
        temp = qiu.front();
        qiu.pop();
        temp.t++;
        if (B[temp.x - 1][temp.y] == -1 && A[temp.x - 1][temp.y] != 'T' && A[temp.x - 1][temp.y] != 'D')
        {
            B[temp.x - 1][temp.y] = temp.t;
            temp.x--;
            qiu.push(temp);
            temp.x++;
        }
        if (B[temp.x + 1][temp.y] == -1 && A[temp.x + 1][temp.y] != 'T' && A[temp.x + 1][temp.y] != 'D')
        {
            B[temp.x + 1][temp.y] = temp.t;
            temp.x++;
            qiu.push(temp);
            temp.x--;
        }
        if (B[temp.x][temp.y - 1] == -1 && A[temp.x][temp.y - 1] != 'T' && A[temp.x][temp.y - 1] != 'D')
        {
            B[temp.x][temp.y - 1] = temp.t;
            temp.y--;
            qiu.push(temp);
            temp.y++;
        }
        if (B[temp.x][temp.y + 1] == -1 && A[temp.x][temp.y + 1] != 'T' && A[temp.x][temp.y + 1] != 'D')
        {
            B[temp.x][temp.y + 1] = temp.t;
            temp.y++;
            qiu.push(temp);
            temp.y--;
        }
    }
}

int solve2(int x, int y, int t, int r)
{
    temp.x = x;
    temp.y = y;
    temp.t = t;
    temp.r = r;
    qiu2.push(temp);
    while (!qiu2.empty())
    {
        temp = qiu2.front();
        qiu2.pop();
        //cout << temp.x << " " << temp.y << " " << temp.t << " " << temp.r << endl;
        if (temp.x == ex && temp.y == ey)
            rilres = max(rilres,temp.r);
        if (temp.r + (temp.t / S) >= B[temp.x][temp.y])
            temp.r -= ((temp.r + (temp.t / S)) - B[temp.x][temp.y] + 1);
        //cout << temp.x << " " << temp.y << " " << temp.t << " " << temp.r << endl;
        if (temp.r + 2 < rilres)
            break;
        if (temp.r < 0 || temp.r <= rilres)
            continue;
        temp.t++;
        //cout << vis[temp.x][temp.y][0] << " " << vis[temp.x][temp.y][1] << endl;
        if (vis[temp.x + 1][temp.y][1] <= temp.r && A[temp.x + 1][temp.y] != 'T')
        {
            if ((vis[temp.x + 1][temp.y][1] == temp.r && vis[temp.x + 1][temp.y][0] > temp.t) || vis[temp.x + 1][temp.y][1] < temp.r)
            {
                //cout << "SI" << endl;
                vis[temp.x + 1][temp.y][1] = temp.r;
                vis[temp.x + 1][temp.y][0] = temp.t;
                temp.x++;
                qiu2.push(temp);
                temp.x--;
            }
        }
        if (vis[temp.x - 1][temp.y][1] <= temp.r && A[temp.x - 1][temp.y] != 'T')
        {
            if ((vis[temp.x - 1][temp.y][1] == temp.r && vis[temp.x - 1][temp.y][0] > temp.t) || vis[temp.x - 1][temp.y][1] < temp.r)
            {
                vis[temp.x - 1][temp.y][1] = temp.r;
                vis[temp.x - 1][temp.y][0] = temp.t;
                temp.x--;
                qiu2.push(temp);
                temp.x++;
            }
        }
        if (vis[temp.x][temp.y + 1][1] <= temp.r && A[temp.x][temp.y + 1] != 'T')
        {
            if ((vis[temp.x][temp.y + 1][1] == temp.r && vis[temp.x][temp.y + 1][0] > temp.t) || vis[temp.x][temp.y + 1][1] < temp.r)
            {
                vis[temp.x][temp.y + 1][1] = temp.r;
                vis[temp.x][temp.y + 1][0] = temp.t;
                temp.y++;
                qiu2.push(temp);
                temp.y--;
            }
        }
        if (vis[temp.x][temp.y - 1][1] <= temp.r && A[temp.x][temp.y - 1] != 'T')
        {
            if ((vis[temp.x][temp.y - 1][1] == temp.r && vis[temp.x][temp.y - 1][0] > temp.t) || vis[temp.x][temp.y - 1][1] < temp.r)
            {
                vis[temp.x][temp.y - 1][1] = temp.r;
                vis[temp.x][temp.y - 1][0] = temp.t;
                temp.y--;
                qiu2.push(temp);
                temp.y++;
            }
        }
    }
    return -1;
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> N >> S;
    for (int i = 1; i <= N; i++)
        for (int j = 1; j <= N; j++)
        {
            cin >> A[i][j];
            vis[i][j][1] = -1;
            vis[i][j][0] = 32700;
            B[i][j] = -1;
            if (A[i][j] == 'M')
            {
                sx = i;
                sy = j;
            }
            if (A[i][j] == 'D')
            {
                ex = i;
                ey = j;
            }
            if (A[i][j] == 'H')
            {
                temp.x = i;
                temp.y = j;
                temp.t = 0;
                B[i][j] = 0;
                qiu.push(temp);
            }
        }
    solve();
    /*cout << endl;
    for (int i = 1; i <= N; i++)
    {
        for (int j = 1; j <= N; j++)
        {
            cout << B[i][j] << " ";
        }
        cout << endl;
    }*/
    vis[sx][sy][1] = 32700;
    vis[sx][sy][0] = 0;
    solve2(sx, sy, 0, B[sx][sy] - 1);
    cout << rilres;
    return 0;
}

Subtask #1

37.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	384 KB	Output isn't correct
2	Incorrect	0 ms	384 KB	Output isn't correct
3	Incorrect	0 ms	384 KB	Output isn't correct
4	Incorrect	1 ms	384 KB	Output isn't correct
5	Correct	1 ms	384 KB	Output is correct
6	Incorrect	1 ms	384 KB	Output isn't correct
7	Incorrect	29 ms	8704 KB	Output isn't correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Incorrect	0 ms	512 KB	Output isn't correct
11	Incorrect	1 ms	512 KB	Output isn't correct
12	Correct	1 ms	896 KB	Output is correct
13	Correct	1 ms	768 KB	Output is correct
14	Correct	1 ms	896 KB	Output is correct
15	Correct	1 ms	512 KB	Output is correct
16	Correct	1 ms	512 KB	Output is correct
17	Correct	1 ms	512 KB	Output is correct
18	Correct	1 ms	512 KB	Output is correct
19	Correct	1 ms	640 KB	Output is correct
20	Correct	1 ms	640 KB	Output is correct
21	Correct	1 ms	640 KB	Output is correct
22	Correct	1 ms	640 KB	Output is correct
23	Correct	1 ms	768 KB	Output is correct
24	Correct	1 ms	768 KB	Output is correct
25	Correct	1 ms	896 KB	Output is correct
26	Correct	1 ms	896 KB	Output is correct
27	Correct	1 ms	896 KB	Output is correct
28	Correct	1 ms	896 KB	Output is correct
29	Correct	1 ms	896 KB	Output is correct
30	Correct	1 ms	896 KB	Output is correct
31	Correct	1 ms	1024 KB	Output is correct
32	Correct	1 ms	1024 KB	Output is correct
33	Correct	6 ms	3968 KB	Output is correct
34	Correct	5 ms	3968 KB	Output is correct
35	Incorrect	30 ms	4088 KB	Output isn't correct
36	Correct	7 ms	4480 KB	Output is correct
37	Correct	7 ms	4480 KB	Output is correct
38	Incorrect	44 ms	4608 KB	Output isn't correct
39	Correct	9 ms	4992 KB	Output is correct
40	Correct	8 ms	4992 KB	Output is correct
41	Incorrect	62 ms	5112 KB	Output isn't correct
42	Correct	10 ms	5504 KB	Output is correct
43	Correct	9 ms	5504 KB	Output is correct
44	Incorrect	84 ms	5624 KB	Output isn't correct
45	Correct	12 ms	6144 KB	Output is correct
46	Correct	11 ms	6016 KB	Output is correct
47	Incorrect	115 ms	6264 KB	Output isn't correct
48	Correct	14 ms	6656 KB	Output is correct
49	Correct	12 ms	6528 KB	Output is correct
50	Incorrect	146 ms	6776 KB	Output isn't correct
51	Correct	15 ms	7040 KB	Output is correct
52	Correct	14 ms	7040 KB	Output is correct
53	Incorrect	184 ms	7396 KB	Output isn't correct
54	Correct	18 ms	7552 KB	Output is correct
55	Correct	16 ms	7552 KB	Output is correct
56	Incorrect	227 ms	7928 KB	Output isn't correct
57	Correct	20 ms	8064 KB	Output is correct
58	Correct	18 ms	8060 KB	Output is correct
59	Incorrect	277 ms	8440 KB	Output isn't correct
60	Correct	22 ms	8576 KB	Output is correct
61	Correct	20 ms	8576 KB	Output is correct
62	Incorrect	337 ms	9036 KB	Output isn't correct
63	Incorrect	30 ms	8576 KB	Output isn't correct
64	Incorrect	45 ms	8576 KB	Output isn't correct
65	Incorrect	30 ms	8576 KB	Output isn't correct
66	Incorrect	30 ms	8608 KB	Output isn't correct
67	Correct	30 ms	8576 KB	Output is correct
68	Incorrect	32 ms	8652 KB	Output isn't correct
69	Incorrect	34 ms	8576 KB	Output isn't correct
70	Incorrect	32 ms	8576 KB	Output isn't correct
71	Incorrect	32 ms	8576 KB	Output isn't correct
72	Correct	32 ms	8576 KB	Output is correct
73	Correct	35 ms	8960 KB	Output is correct
74	Correct	65 ms	8960 KB	Output is correct
75	Correct	36 ms	8960 KB	Output is correct
76	Correct	36 ms	8960 KB	Output is correct
77	Correct	36 ms	9088 KB	Output is correct
78	Correct	65 ms	8960 KB	Output is correct
79	Incorrect	277 ms	9080 KB	Output isn't correct
80	Incorrect	335 ms	9080 KB	Output isn't correct
81	Incorrect	222 ms	8960 KB	Output isn't correct
82	Incorrect	105 ms	8960 KB	Output isn't correct
83	Incorrect	31 ms	8832 KB	Output isn't correct
84	Incorrect	245 ms	8832 KB	Output isn't correct
85	Incorrect	175 ms	8832 KB	Output isn't correct
86	Incorrect	170 ms	8832 KB	Output isn't correct
87	Incorrect	124 ms	8948 KB	Output isn't correct
88	Correct	217 ms	9056 KB	Output is correct
89	Incorrect	381 ms	8952 KB	Output isn't correct
90	Incorrect	121 ms	8832 KB	Output isn't correct
91	Incorrect	349 ms	9080 KB	Output isn't correct
92	Incorrect	255 ms	8960 KB	Output isn't correct