oj.uz

Submission #941925

# Submission time Handle Problem Language Result Execution time Memory
941925 2024-03-09T17:47:31 Z benjaminkleyn Robot Contest (IOI23_robot) C++17
100 / 100
 112 ms 6484 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 <= 6; cur++)
    for (int west = -2; west <= 6; west++)
    for (int south = -2; south <= 6; south++)
    for (int east = -2; east <= 6; east++)
    for (int north = -2; north <= 6; 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 6224 KB Output is correct
2 Correct 89 ms 6220 KB Output is correct

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 6084 KB Output is correct
2 Correct 90 ms 6256 KB Output is correct
3 Correct 88 ms 6228 KB Output is correct
4 Correct 87 ms 6064 KB Output is correct
5 Correct 89 ms 6224 KB Output is correct
6 Correct 100 ms 6184 KB Output is correct
7 Correct 88 ms 6192 KB Output is correct
8 Correct 93 ms 6068 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 6084 KB Output is correct
2 Correct 90 ms 6256 KB Output is correct
3 Correct 88 ms 6228 KB Output is correct
4 Correct 87 ms 6064 KB Output is correct
5 Correct 89 ms 6224 KB Output is correct
6 Correct 87 ms 6228 KB Output is correct
7 Correct 87 ms 6224 KB Output is correct
8 Correct 90 ms 6272 KB Output is correct
9 Correct 99 ms 6256 KB Output is correct
10 Correct 88 ms 6352 KB Output is correct
11 Correct 90 ms 6040 KB Output is correct
12 Correct 88 ms 6228 KB Output is correct
13 Correct 90 ms 6048 KB Output is correct
14 Correct 95 ms 6244 KB Output is correct
15 Correct 93 ms 6228 KB Output is correct
16 Correct 87 ms 6484 KB Output is correct
17 Correct 90 ms 6228 KB Output is correct
18 Correct 93 ms 6484 KB Output is correct
19 Correct 89 ms 6048 KB Output is correct
20 Correct 88 ms 6224 KB Output is correct
21 Correct 87 ms 6040 KB Output is correct
22 Correct 88 ms 6104 KB Output is correct
23 Correct 100 ms 6076 KB Output is correct
24 Correct 90 ms 6224 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 6276 KB Output is correct
2 Correct 99 ms 6260 KB Output is correct
3 Correct 93 ms 6224 KB Output is correct
4 Correct 87 ms 6228 KB Output is correct
5 Correct 89 ms 6224 KB Output is correct
6 Correct 86 ms 6272 KB Output is correct
7 Correct 87 ms 6096 KB Output is correct
8 Correct 87 ms 6224 KB Output is correct
9 Correct 95 ms 6404 KB Output is correct
10 Correct 88 ms 6228 KB Output is correct
11 Correct 90 ms 6136 KB Output is correct
12 Correct 88 ms 6280 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 6084 KB Output is correct
2 Correct 90 ms 6256 KB Output is correct
3 Correct 88 ms 6228 KB Output is correct
4 Correct 87 ms 6064 KB Output is correct
5 Correct 89 ms 6224 KB Output is correct
6 Correct 100 ms 6184 KB Output is correct
7 Correct 88 ms 6192 KB Output is correct
8 Correct 93 ms 6068 KB Output is correct
9 Correct 87 ms 6484 KB Output is correct
10 Correct 90 ms 6228 KB Output is correct
11 Correct 93 ms 6484 KB Output is correct
12 Correct 89 ms 6048 KB Output is correct
13 Correct 88 ms 6224 KB Output is correct
14 Correct 87 ms 6040 KB Output is correct
15 Correct 88 ms 6104 KB Output is correct
16 Correct 100 ms 6076 KB Output is correct
17 Correct 90 ms 6224 KB Output is correct
18 Correct 91 ms 6060 KB Output is correct
19 Correct 87 ms 6076 KB Output is correct
20 Correct 90 ms 6240 KB Output is correct
21 Correct 99 ms 6200 KB Output is correct
22 Correct 88 ms 6232 KB Output is correct
23 Correct 88 ms 6240 KB Output is correct
24 Correct 88 ms 6112 KB Output is correct
25 Correct 90 ms 6052 KB Output is correct
26 Correct 93 ms 6228 KB Output is correct
27 Correct 89 ms 6228 KB Output is correct
28 Correct 90 ms 6048 KB Output is correct
29 Correct 87 ms 6228 KB Output is correct
30 Correct 91 ms 6480 KB Output is correct
31 Correct 88 ms 6272 KB Output is correct
32 Correct 92 ms 6228 KB Output is correct
33 Correct 87 ms 6216 KB Output is correct
34 Correct 96 ms 6172 KB Output is correct
35 Correct 87 ms 6040 KB Output is correct
36 Correct 94 ms 6224 KB Output is correct
37 Correct 87 ms 6036 KB Output is correct
38 Correct 92 ms 6152 KB Output is correct
39 Correct 88 ms 6228 KB Output is correct
40 Correct 89 ms 6056 KB Output is correct
41 Correct 92 ms 6228 KB Output is correct

Subtask #5
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 6224 KB Output is correct
2 Correct 88 ms 6288 KB Output is correct
3 Correct 93 ms 6228 KB Output is correct
4 Correct 94 ms 6308 KB Output is correct
5 Correct 88 ms 6232 KB Output is correct
6 Correct 90 ms 6224 KB Output is correct
7 Correct 88 ms 6228 KB Output is correct
8 Correct 91 ms 6088 KB Output is correct
9 Correct 92 ms 6224 KB Output is correct
10 Correct 112 ms 6220 KB Output is correct
11 Correct 90 ms 6088 KB Output is correct
12 Correct 94 ms 6340 KB Output is correct
13 Correct 90 ms 6108 KB Output is correct
14 Correct 88 ms 6212 KB Output is correct
15 Correct 88 ms 6040 KB Output is correct
16 Correct 100 ms 6332 KB Output is correct
17 Correct 92 ms 6048 KB Output is correct
18 Correct 90 ms 6068 KB Output is correct
19 Correct 87 ms 6104 KB Output is correct
20 Correct 87 ms 6224 KB Output is correct
21 Correct 88 ms 6160 KB Output is correct
22 Correct 90 ms 6204 KB Output is correct
23 Correct 88 ms 6224 KB Output is correct
24 Correct 88 ms 6228 KB Output is correct
25 Correct 91 ms 6228 KB Output is correct
26 Correct 96 ms 6120 KB Output is correct
27 Correct 88 ms 6252 KB Output is correct
28 Correct 89 ms 6244 KB Output is correct
29 Correct 88 ms 6228 KB Output is correct
30 Correct 88 ms 6228 KB Output is correct
31 Correct 97 ms 6220 KB Output is correct
32 Correct 91 ms 6228 KB Output is correct
33 Correct 91 ms 6192 KB Output is correct
34 Correct 89 ms 6232 KB Output is correct
35 Correct 88 ms 6224 KB Output is correct
36 Correct 90 ms 6212 KB Output is correct
37 Correct 90 ms 6272 KB Output is correct
38 Correct 89 ms 6164 KB Output is correct
39 Correct 91 ms 6228 KB Output is correct
40 Correct 96 ms 6384 KB Output is correct
41 Correct 89 ms 6092 KB Output is correct
42 Correct 88 ms 6224 KB Output is correct
43 Correct 89 ms 6140 KB Output is correct
44 Correct 88 ms 6228 KB Output is correct
45 Correct 101 ms 6224 KB Output is correct
46 Correct 92 ms 6136 KB Output is correct
47 Correct 107 ms 6220 KB Output is correct
48 Correct 90 ms 6224 KB Output is correct
49 Correct 103 ms 6228 KB Output is correct
50 Correct 89 ms 6208 KB Output is correct
51 Correct 88 ms 6224 KB Output is correct
52 Correct 88 ms 6224 KB Output is correct
53 Correct 87 ms 6224 KB Output is correct
54 Correct 90 ms 6056 KB Output is correct
55 Correct 96 ms 6172 KB Output is correct
56 Correct 87 ms 6228 KB Output is correct
57 Correct 92 ms 6224 KB Output is correct
58 Correct 88 ms 6100 KB Output is correct
59 Correct 88 ms 6284 KB Output is correct
60 Correct 89 ms 6124 KB Output is correct
61 Correct 92 ms 6156 KB Output is correct
62 Correct 93 ms 6112 KB Output is correct
63 Correct 88 ms 6224 KB Output is correct
64 Correct 88 ms 6140 KB Output is correct
65 Correct 105 ms 6224 KB Output is correct
66 Correct 90 ms 6228 KB Output is correct
67 Correct 98 ms 6228 KB Output is correct
68 Correct 94 ms 6220 KB Output is correct
69 Correct 95 ms 6112 KB Output is correct
70 Correct 99 ms 6224 KB Output is correct
71 Correct 88 ms 6240 KB Output is correct
72 Correct 91 ms 6116 KB Output is correct
73 Correct 96 ms 6068 KB Output is correct
74 Correct 92 ms 6096 KB Output is correct
75 Correct 89 ms 6180 KB Output is correct
76 Correct 88 ms 6228 KB Output is correct
77 Correct 89 ms 6056 KB Output is correct
78 Correct 89 ms 6184 KB Output is correct
79 Correct 87 ms 6224 KB Output is correct
80 Correct 89 ms 6228 KB Output is correct
81 Correct 91 ms 6228 KB Output is correct
82 Correct 88 ms 6224 KB Output is correct
83 Correct 87 ms 6188 KB Output is correct
84 Correct 89 ms 6124 KB Output is correct