oj.uz

Submission #941926

# Submission time Handle Problem Language Result Execution time Memory
941926 2024-03-09T17:49:41 Z benjaminkleyn Robot Contest (IOI23_robot) C++17
100 / 100
 103 ms 6324 KB 
#include <bits/stdc++.h>
using namespace std;
#include "robot.h"

const int BOUNDARY = -2;
const int OBSTACLE = -1;
const int EMPTY = 0;

const int PATH = 1;
const int WEST = 2;
const int SOUTH = 3;
const int EAST = 4;
const int NORTH = 5;

const char STAY = 'H';
const char TERMINATE = 'T';

bool phase2(int cur, int west, int south, int east, int north)
{
    if (cur == EMPTY) return false;
    if (cur == WEST) return west != EAST;
    if (cur == SOUTH) return south != NORTH;
    if (cur == EAST) return east != WEST;
    if (cur == NORTH) return north != SOUTH;
    return false;
}

pair<int, char> get_instruction(int cur, int west, int south, int east, int north)
{
    if (east == BOUNDARY && south == BOUNDARY && cur == EMPTY)
        return {EAST, STAY};

    if (phase2(cur, west, south, east, north))
    {
        if (west == EAST) return {cur, 'W'};
        if (south == NORTH) return {cur, 'S'};
        if (east == WEST) return {cur, 'E'};
        if (north == SOUTH) return {cur, 'N'};

        if (east == BOUNDARY && south == BOUNDARY)
            return {PATH, TERMINATE};

        char dir;
        if (cur == WEST)
            dir = 'W';
        else if (cur == SOUTH)
            dir = 'S';
        else if (cur == EAST)
            dir = 'E';
        else
            dir = 'N';

        if ((west == BOUNDARY && north == BOUNDARY) || west == PATH || south == PATH || east == PATH || north == PATH)
            return {PATH, dir};

        return {EMPTY, dir};
    }

    if (west == BOUNDARY && north == BOUNDARY && cur == EMPTY)
    {
        if (south == OBSTACLE)
            return {EAST, 'E'};
        return {SOUTH, 'S'};
    }
    if (cur == EMPTY)
    {
        if (west == EAST)
            return {WEST, 'W'};
        if (south == NORTH)
            return {SOUTH, 'S'};
        if (east == WEST)
            return {EAST, 'E'};
        if (north == SOUTH)
            return {NORTH, 'N'};
        return {0, TERMINATE};
    }
    for (int i = 0; i < 4; i++)
    {
        if (cur == WEST)
        {
            cur = NORTH;
            if (north == EMPTY || north == SOUTH)
                return {NORTH, 'N'};
        }
        else if (cur == SOUTH)
        {
            cur = WEST;
            if (west == EMPTY || west == EAST)
                return {WEST, 'W'};
        }
        else if (cur == EAST)
        {
            cur = SOUTH;
            if (south == EMPTY || south == NORTH)
                return {SOUTH, 'S'};
        }
        else if (cur == NORTH)
        {
            cur = EAST;
            if (east == EMPTY || east == WEST)
                return {EAST, 'E'};
        }
        else
            cur = WEST;
    }

    return {0, TERMINATE};
}

void program_pulibot()
{
    for (int cur = -2; cur <= 5; cur++)
    for (int west = -2; west <= 5; west++)
    for (int south = -2; south <= 5; south++)
    for (int east = -2; east <= 5; east++)
    for (int north = -2; north <= 5; north++)
    {
        pair<int, char> instruction = get_instruction(cur, west, south, east, north);
        set_instruction({cur, west, south, east, north}, instruction.first, instruction.second);
    }
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 5972 KB Output is correct
2 Correct 86 ms 5968 KB Output is correct

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 5972 KB Output is correct
2 Correct 95 ms 6268 KB Output is correct
3 Correct 93 ms 5992 KB Output is correct
4 Correct 87 ms 5968 KB Output is correct
5 Correct 92 ms 5972 KB Output is correct
6 Correct 88 ms 5968 KB Output is correct
7 Correct 89 ms 5976 KB Output is correct
8 Correct 85 ms 5972 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 5972 KB Output is correct
2 Correct 95 ms 6268 KB Output is correct
3 Correct 93 ms 5992 KB Output is correct
4 Correct 87 ms 5968 KB Output is correct
5 Correct 92 ms 5972 KB Output is correct
6 Correct 87 ms 5968 KB Output is correct
7 Correct 90 ms 5972 KB Output is correct
8 Correct 89 ms 6016 KB Output is correct
9 Correct 89 ms 6108 KB Output is correct
10 Correct 87 ms 6020 KB Output is correct
11 Correct 87 ms 6004 KB Output is correct
12 Correct 87 ms 5968 KB Output is correct
13 Correct 87 ms 6016 KB Output is correct
14 Correct 88 ms 6092 KB Output is correct
15 Correct 94 ms 6028 KB Output is correct
16 Correct 86 ms 6100 KB Output is correct
17 Correct 89 ms 5972 KB Output is correct
18 Correct 88 ms 5968 KB Output is correct
19 Correct 87 ms 5900 KB Output is correct
20 Correct 90 ms 5976 KB Output is correct
21 Correct 86 ms 5972 KB Output is correct
22 Correct 90 ms 5988 KB Output is correct
23 Correct 94 ms 5968 KB Output is correct
24 Correct 87 ms 5968 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 5968 KB Output is correct
2 Correct 87 ms 6012 KB Output is correct
3 Correct 89 ms 6096 KB Output is correct
4 Correct 90 ms 6008 KB Output is correct
5 Correct 92 ms 5904 KB Output is correct
6 Correct 87 ms 5892 KB Output is correct
7 Correct 89 ms 5972 KB Output is correct
8 Correct 88 ms 5968 KB Output is correct
9 Correct 90 ms 5968 KB Output is correct
10 Correct 90 ms 6020 KB Output is correct
11 Correct 86 ms 5968 KB Output is correct
12 Correct 86 ms 5972 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 5972 KB Output is correct
2 Correct 95 ms 6268 KB Output is correct
3 Correct 93 ms 5992 KB Output is correct
4 Correct 87 ms 5968 KB Output is correct
5 Correct 92 ms 5972 KB Output is correct
6 Correct 88 ms 5968 KB Output is correct
7 Correct 89 ms 5976 KB Output is correct
8 Correct 85 ms 5972 KB Output is correct
9 Correct 86 ms 6100 KB Output is correct
10 Correct 89 ms 5972 KB Output is correct
11 Correct 88 ms 5968 KB Output is correct
12 Correct 87 ms 5900 KB Output is correct
13 Correct 90 ms 5976 KB Output is correct
14 Correct 86 ms 5972 KB Output is correct
15 Correct 90 ms 5988 KB Output is correct
16 Correct 94 ms 5968 KB Output is correct
17 Correct 87 ms 5968 KB Output is correct
18 Correct 95 ms 6160 KB Output is correct
19 Correct 86 ms 5972 KB Output is correct
20 Correct 90 ms 5972 KB Output is correct
21 Correct 86 ms 6060 KB Output is correct
22 Correct 95 ms 6048 KB Output is correct
23 Correct 85 ms 5968 KB Output is correct
24 Correct 87 ms 5968 KB Output is correct
25 Correct 86 ms 5968 KB Output is correct
26 Correct 87 ms 5968 KB Output is correct
27 Correct 87 ms 6108 KB Output is correct
28 Correct 86 ms 5968 KB Output is correct
29 Correct 87 ms 5964 KB Output is correct
30 Correct 86 ms 5996 KB Output is correct
31 Correct 86 ms 5968 KB Output is correct
32 Correct 85 ms 5912 KB Output is correct
33 Correct 95 ms 6104 KB Output is correct
34 Correct 89 ms 5968 KB Output is correct
35 Correct 86 ms 6224 KB Output is correct
36 Correct 86 ms 5972 KB Output is correct
37 Correct 88 ms 5972 KB Output is correct
38 Correct 87 ms 5972 KB Output is correct
39 Correct 91 ms 6004 KB Output is correct
40 Correct 86 ms 5968 KB Output is correct
41 Correct 86 ms 5972 KB Output is correct

Subtask #5
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 6112 KB Output is correct
2 Correct 87 ms 5972 KB Output is correct
3 Correct 85 ms 6084 KB Output is correct
4 Correct 88 ms 5972 KB Output is correct
5 Correct 86 ms 6104 KB Output is correct
6 Correct 85 ms 5968 KB Output is correct
7 Correct 86 ms 5968 KB Output is correct
8 Correct 88 ms 5972 KB Output is correct
9 Correct 88 ms 5968 KB Output is correct
10 Correct 86 ms 5968 KB Output is correct
11 Correct 86 ms 5972 KB Output is correct
12 Correct 87 ms 5944 KB Output is correct
13 Correct 89 ms 5968 KB Output is correct
14 Correct 85 ms 6032 KB Output is correct
15 Correct 86 ms 5968 KB Output is correct
16 Correct 86 ms 5924 KB Output is correct
17 Correct 96 ms 5964 KB Output is correct
18 Correct 86 ms 5968 KB Output is correct
19 Correct 86 ms 5972 KB Output is correct
20 Correct 87 ms 5968 KB Output is correct
21 Correct 88 ms 6084 KB Output is correct
22 Correct 91 ms 5976 KB Output is correct
23 Correct 86 ms 5972 KB Output is correct
24 Correct 87 ms 5992 KB Output is correct
25 Correct 98 ms 6152 KB Output is correct
26 Correct 86 ms 6064 KB Output is correct
27 Correct 88 ms 5960 KB Output is correct
28 Correct 88 ms 6100 KB Output is correct
29 Correct 86 ms 5972 KB Output is correct
30 Correct 87 ms 5972 KB Output is correct
31 Correct 86 ms 6200 KB Output is correct
32 Correct 85 ms 5972 KB Output is correct
33 Correct 93 ms 6324 KB Output is correct
34 Correct 85 ms 5972 KB Output is correct
35 Correct 87 ms 5968 KB Output is correct
36 Correct 87 ms 5996 KB Output is correct
37 Correct 93 ms 6044 KB Output is correct
38 Correct 92 ms 5916 KB Output is correct
39 Correct 87 ms 6228 KB Output is correct
40 Correct 86 ms 5968 KB Output is correct
41 Correct 90 ms 5888 KB Output is correct
42 Correct 89 ms 6008 KB Output is correct
43 Correct 85 ms 6108 KB Output is correct
44 Correct 87 ms 5960 KB Output is correct
45 Correct 91 ms 6076 KB Output is correct
46 Correct 89 ms 5944 KB Output is correct
47 Correct 85 ms 5972 KB Output is correct
48 Correct 87 ms 5972 KB Output is correct
49 Correct 95 ms 6044 KB Output is correct
50 Correct 85 ms 5968 KB Output is correct
51 Correct 89 ms 5972 KB Output is correct
52 Correct 87 ms 5996 KB Output is correct
53 Correct 93 ms 5884 KB Output is correct
54 Correct 90 ms 6104 KB Output is correct
55 Correct 85 ms 6072 KB Output is correct
56 Correct 85 ms 6020 KB Output is correct
57 Correct 94 ms 6060 KB Output is correct
58 Correct 85 ms 5968 KB Output is correct
59 Correct 91 ms 5968 KB Output is correct
60 Correct 89 ms 5968 KB Output is correct
61 Correct 93 ms 5868 KB Output is correct
62 Correct 86 ms 6016 KB Output is correct
63 Correct 103 ms 5972 KB Output is correct
64 Correct 86 ms 6072 KB Output is correct
65 Correct 93 ms 6104 KB Output is correct
66 Correct 85 ms 6112 KB Output is correct
67 Correct 92 ms 5936 KB Output is correct
68 Correct 87 ms 5972 KB Output is correct
69 Correct 98 ms 5972 KB Output is correct
70 Correct 86 ms 5968 KB Output is correct
71 Correct 86 ms 6096 KB Output is correct
72 Correct 85 ms 5936 KB Output is correct
73 Correct 87 ms 5972 KB Output is correct
74 Correct 85 ms 5968 KB Output is correct
75 Correct 85 ms 5976 KB Output is correct
76 Correct 89 ms 5964 KB Output is correct
77 Correct 86 ms 5968 KB Output is correct
78 Correct 86 ms 5960 KB Output is correct
79 Correct 88 ms 6052 KB Output is correct
80 Correct 86 ms 6076 KB Output is correct
81 Correct 89 ms 6044 KB Output is correct
82 Correct 87 ms 6000 KB Output is correct
83 Correct 86 ms 5940 KB Output is correct
84 Correct 86 ms 5976 KB Output is correct