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Submission #1095351

# Submission time Handle Problem Language Result Execution time Memory
1095351 2024-10-02T01:45:05 Z raphaelp Team Coding (EGOI24_teamcoding) C++14
81 / 100
 2455 ms 57184 KB 
#include <bits/stdc++.h>
using namespace std;
void dfs(int x, vector<vector<int>> &AR, vector<int> &depth, int cur)
{
    depth[x] = cur;
    for (int i = 0; i < AR[x].size(); i++)
    {
        dfs(AR[x][i], AR, depth, cur + 1);
    }
}
void dfs2(int x, vector<vector<int>> &AR, vector<vector<pair<int, int>>> &colorpos, vector<int> &available, map<int, int> &M, vector<int> &C, vector<vector<int>> &colors, int cur, int &best, int &best2)
{
    available.push_back(1);
    vector<int> available2;
    map<int, int> M2;
    M[C[x]] += 1;
    for (int i = 0; i < AR[x].size(); i++)
    {
        available2.clear();
        M2.clear();
        dfs2(AR[x][i], AR, colorpos, available2, M2, C, colors, cur + 1, best, best2);
        available2.push_back(0);
        if (available2.size() > available.size())
            swap(available2, available);
        for (int j = 0; j < available2.size(); j++)
        {
            available[j + available.size() - available2.size()] += available2[j];
        }
        if (M2.size() > M.size())
            swap(M, M2);
        for (auto j : M2)
        {
            M[j.first] += j.second;
        }
    }
    if (colors[C[x]].size() <= sqrt(AR.size()))
    {
        int ans1 = 0, ans2 = 0;
        for (int i = 0; i < colorpos[C[x]].size(); i++)
        {
            if (colorpos[C[x]][i].first >= cur && colorpos[C[x]][i].first < cur + available.size())
                ans1 += min(colorpos[C[x]][i].second, available[available.size() - colorpos[C[x]][i].first - 1 + cur]);
        }
        ans2 = ans1 - M[C[x]];
        if (ans1 > best || (ans1 == best && ans2 < best2))
        {
            best = ans1, best2 = ans2;
        }
    }
}
int dfs3(int x, vector<vector<int>> &AR, vector<int> &C, int c, vector<int> &used, vector<int> &maxx, int cur, int &best, int &best2, int &bla)
{
    vector<int> used2;
    int tot = 0, tot2 = 0;
    if (C[x] == c)
        tot2++;
    used.push_back(0);
    if (maxx[cur] != 0)
    {
        used[0] = 1;
        tot++;
    }
    for (int i = 0; i < AR[x].size(); i++)
    {
        used2.clear();
        tot2 += dfs3(AR[x][i], AR, C, c, used2, maxx, cur + 1, best, best2, bla);
        used2.push_back(0);
        if (used2.size() > used.size())
        {
            swap(used2, used);
            swap(tot, bla);
        }
        for (int j = 0; j < used2.size(); j++)
        {
            tot -= used[j + used.size() - used2.size()];
            used[j + used.size() - used2.size()] = min(used[j + used.size() - used2.size()] + used2[j], maxx[cur + used2.size() - j - 1]);
            tot += used[j + used.size() - used2.size()];
        }
    }
    if (C[x] == c && (tot > best || (tot == best && tot2 < best2)))
    {
        best = tot, best2 = tot - tot2;
    }
    bla = tot;
    return tot2;
}
int main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int N, K;
    cin >> N >> K;
    vector<int> C(N);
    vector<vector<int>> colors(K);
    for (int i = 0; i < N; i++)
    {
        cin >> C[i];
        colors[C[i]].push_back(i);
    }
    vector<int> p(N, 0);
    vector<vector<int>> AR(N);
    for (int i = 1; i < N; i++)
    {
        cin >> p[i];
        AR[p[i]].push_back(i);
    }
    vector<int> depth(N);
    vector<vector<pair<int, int>>> colorpos(K);
    dfs(0, AR, depth, 0);
    int best = 0, best2 = 0;
    for (int i = 0; i < K; i++)
    {
        for (int j = 0; j < colors[i].size(); j++)
        {
            colorpos[i].push_back({depth[colors[i][j]], 1});
        }
        sort(colorpos[i].begin(), colorpos[i].end());
        vector<pair<int, int>> temp;
        int cur = 0;
        for (int j = 0; j < colors[i].size(); j++)
        {
            if (j > 0 && colorpos[i][j].first != colorpos[i][j - 1].first)
            {
                temp.push_back({colorpos[i][j - 1].first, cur});
                cur = 0;
            }
            cur++;
        }
        if (colors[i].size() > 0)
            temp.push_back({colorpos[i].back().first, cur});
        swap(temp, colorpos[i]);
    }
    vector<int> available;
    map<int, int> M;
    dfs2(0, AR, colorpos, available, M, C, colors, 0, best, best2);
    for (int i = 0; i < K; i++)
    {
        if (colors[i].size() >= sqrt(N) - 1)
        {
            vector<int> used, maxx(N);
            for (int j = 0; j < colors[i].size(); j++)
                maxx[depth[colors[i][j]]]++;
            int bla = 0;
            int temp = dfs3(0, AR, C, i, used, maxx, 0, best, best2, bla);
        }
    }
    cout << best << ' ' << best2;
}

Compilation message

Main.cpp: In function 'void dfs(int, std::vector<std::vector<int> >&, std::vector<int>&, int)':
Main.cpp:6:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for (int i = 0; i < AR[x].size(); i++)
      |                     ~~^~~~~~~~~~~~~~
Main.cpp: In function 'void dfs2(int, std::vector<std::vector<int> >&, std::vector<std::vector<std::pair<int, int> > >&, std::vector<int>&, std::map<int, int>&, std::vector<int>&, std::vector<std::vector<int> >&, int, int&, int&)':
Main.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for (int i = 0; i < AR[x].size(); i++)
      |                     ~~^~~~~~~~~~~~~~
Main.cpp:25:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         for (int j = 0; j < available2.size(); j++)
      |                         ~~^~~~~~~~~~~~~~~~~~~
Main.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for (int i = 0; i < colorpos[C[x]].size(); i++)
      |                         ~~^~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:41:75: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |             if (colorpos[C[x]][i].first >= cur && colorpos[C[x]][i].first < cur + available.size())
Main.cpp: In function 'int dfs3(int, std::vector<std::vector<int> >&, std::vector<int>&, int, std::vector<int>&, std::vector<int>&, int, int&, int&, int&)':
Main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |     for (int i = 0; i < AR[x].size(); i++)
      |                     ~~^~~~~~~~~~~~~~
Main.cpp:73:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         for (int j = 0; j < used2.size(); j++)
      |                         ~~^~~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:114:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  114 |         for (int j = 0; j < colors[i].size(); j++)
      |                         ~~^~~~~~~~~~~~~~~~~~
Main.cpp:121:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |         for (int j = 0; j < colors[i].size(); j++)
      |                         ~~^~~~~~~~~~~~~~~~~~
Main.cpp:142:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |             for (int j = 0; j < colors[i].size(); j++)
      |                             ~~^~~~~~~~~~~~~~~~~~
Main.cpp:145:17: warning: unused variable 'temp' [-Wunused-variable]
  145 |             int temp = dfs3(0, AR, C, i, used, maxx, 0, best, best2, bla);
      |                 ^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 4 ms 1372 KB Output is correct
9 Correct 100 ms 54400 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 1348 KB Output is correct
12 Correct 67 ms 48912 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 1580 KB Output is correct
15 Correct 110 ms 57124 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 1372 KB Output is correct
5 Correct 67 ms 48972 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 30 ms 7304 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 70 ms 27984 KB Output is correct
12 Correct 18 ms 5860 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 47 ms 6860 KB Output is correct
16 Correct 48 ms 6896 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 48 ms 7120 KB Output is correct
20 Correct 47 ms 7092 KB Output is correct
21 Correct 47 ms 7064 KB Output is correct
22 Correct 0 ms 344 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory 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 348 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 98 ms 54424 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 2 ms 1372 KB Output is correct
11 Correct 110 ms 57016 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 2 ms 696 KB Output is correct
16 Correct 2 ms 664 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 114 ms 15956 KB Output is correct
19 Correct 110 ms 14144 KB Output is correct
20 Correct 81 ms 19536 KB Output is correct
21 Correct 73 ms 8116 KB Output is correct
22 Correct 80 ms 17232 KB Output is correct
23 Correct 107 ms 35284 KB Output is correct
24 Correct 90 ms 26396 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 1116 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 772 KB Output is correct
29 Correct 9 ms 2140 KB Output is correct
30 Correct 102 ms 14408 KB Output is correct
31 Correct 116 ms 18740 KB Output is correct
32 Correct 101 ms 25640 KB Output is correct
33 Correct 84 ms 14932 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 4 ms 1444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 1408 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 2 ms 1116 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 1116 KB Output is correct
31 Correct 4 ms 604 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 348 KB Output is correct
37 Correct 1 ms 604 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

Subtask #5
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 4 ms 1372 KB Output is correct
9 Correct 100 ms 54400 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 1348 KB Output is correct
12 Correct 67 ms 48912 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 1580 KB Output is correct
15 Correct 110 ms 57124 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 1372 KB Output is correct
21 Correct 67 ms 48972 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 30 ms 7304 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 70 ms 27984 KB Output is correct
28 Correct 18 ms 5860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 47 ms 6860 KB Output is correct
32 Correct 48 ms 6896 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 48 ms 7120 KB Output is correct
36 Correct 47 ms 7092 KB Output is correct
37 Correct 47 ms 7064 KB Output is correct
38 Correct 0 ms 344 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 344 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 98 ms 54424 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 2 ms 1372 KB Output is correct
49 Correct 110 ms 57016 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 348 KB Output is correct
53 Correct 2 ms 696 KB Output is correct
54 Correct 2 ms 664 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 114 ms 15956 KB Output is correct
57 Correct 110 ms 14144 KB Output is correct
58 Correct 81 ms 19536 KB Output is correct
59 Correct 73 ms 8116 KB Output is correct
60 Correct 80 ms 17232 KB Output is correct
61 Correct 107 ms 35284 KB Output is correct
62 Correct 90 ms 26396 KB Output is correct
63 Correct 2 ms 860 KB Output is correct
64 Correct 2 ms 1116 KB Output is correct
65 Correct 2 ms 604 KB Output is correct
66 Correct 2 ms 772 KB Output is correct
67 Correct 9 ms 2140 KB Output is correct
68 Correct 102 ms 14408 KB Output is correct
69 Correct 116 ms 18740 KB Output is correct
70 Correct 101 ms 25640 KB Output is correct
71 Correct 84 ms 14932 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 0 ms 348 KB Output is correct
81 Correct 0 ms 348 KB Output is correct
82 Correct 0 ms 348 KB Output is correct
83 Correct 4 ms 1444 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 1 ms 1408 KB Output is correct
86 Correct 1 ms 600 KB Output is correct
87 Correct 2 ms 1372 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 1 ms 348 KB Output is correct
90 Correct 0 ms 348 KB Output is correct
91 Correct 1 ms 860 KB Output is correct
92 Correct 0 ms 348 KB Output is correct
93 Correct 0 ms 348 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 1 ms 604 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 2 ms 604 KB Output is correct
99 Correct 1 ms 604 KB Output is correct
100 Correct 1 ms 604 KB Output is correct
101 Correct 1 ms 860 KB Output is correct
102 Correct 2 ms 1116 KB Output is correct
103 Correct 2 ms 604 KB Output is correct
104 Correct 2 ms 604 KB Output is correct
105 Correct 1 ms 1116 KB Output is correct
106 Correct 4 ms 604 KB Output is correct
107 Correct 1 ms 348 KB Output is correct
108 Correct 1 ms 604 KB Output is correct
109 Correct 1 ms 604 KB Output is correct
110 Correct 1 ms 604 KB Output is correct
111 Correct 2 ms 348 KB Output is correct
112 Correct 1 ms 604 KB Output is correct
113 Correct 0 ms 348 KB Output is correct
114 Correct 0 ms 348 KB Output is correct
115 Correct 0 ms 348 KB Output is correct
116 Correct 0 ms 348 KB Output is correct
117 Correct 0 ms 348 KB Output is correct
118 Correct 1 ms 344 KB Output is correct
119 Correct 0 ms 348 KB Output is correct
120 Correct 0 ms 348 KB Output is correct
121 Correct 0 ms 348 KB Output is correct
122 Correct 0 ms 348 KB Output is correct
123 Correct 0 ms 348 KB Output is correct
124 Correct 4 ms 1372 KB Output is correct
125 Correct 101 ms 54556 KB Output is correct
126 Correct 0 ms 348 KB Output is correct
127 Correct 1 ms 1372 KB Output is correct
128 Correct 69 ms 48824 KB Output is correct
129 Correct 0 ms 344 KB Output is correct
130 Correct 2 ms 1372 KB Output is correct
131 Correct 104 ms 57184 KB Output is correct
132 Correct 1 ms 348 KB Output is correct
133 Correct 1 ms 348 KB Output is correct
134 Correct 29 ms 7260 KB Output is correct
135 Correct 0 ms 348 KB Output is correct
136 Correct 1 ms 860 KB Output is correct
137 Correct 75 ms 27984 KB Output is correct
138 Correct 17 ms 5856 KB Output is correct
139 Correct 0 ms 348 KB Output is correct
140 Correct 0 ms 348 KB Output is correct
141 Correct 47 ms 6764 KB Output is correct
142 Correct 48 ms 6772 KB Output is correct
143 Correct 1 ms 348 KB Output is correct
144 Correct 1 ms 604 KB Output is correct
145 Correct 46 ms 7064 KB Output is correct
146 Correct 48 ms 7088 KB Output is correct
147 Correct 49 ms 7060 KB Output is correct
148 Correct 0 ms 348 KB Output is correct
149 Correct 0 ms 348 KB Output is correct
150 Correct 2 ms 604 KB Output is correct
151 Correct 2 ms 600 KB Output is correct
152 Correct 1 ms 612 KB Output is correct
153 Correct 102 ms 16016 KB Output is correct
154 Correct 109 ms 14160 KB Output is correct
155 Correct 85 ms 19644 KB Output is correct
156 Correct 68 ms 8044 KB Output is correct
157 Correct 81 ms 17236 KB Output is correct
158 Correct 102 ms 35284 KB Output is correct
159 Correct 90 ms 26544 KB Output is correct
160 Correct 1 ms 860 KB Output is correct
161 Correct 2 ms 1112 KB Output is correct
162 Correct 2 ms 604 KB Output is correct
163 Correct 2 ms 604 KB Output is correct
164 Correct 9 ms 2136 KB Output is correct
165 Correct 120 ms 14308 KB Output is correct
166 Correct 109 ms 18768 KB Output is correct
167 Correct 112 ms 25624 KB Output is correct
168 Correct 104 ms 15100 KB Output is correct
169 Correct 2 ms 1116 KB Output is correct
170 Correct 5 ms 604 KB Output is correct
171 Correct 1 ms 348 KB Output is correct
172 Correct 1 ms 604 KB Output is correct
173 Correct 1 ms 604 KB Output is correct
174 Correct 1 ms 604 KB Output is correct
175 Correct 2 ms 348 KB Output is correct
176 Correct 1 ms 604 KB Output is correct
177 Correct 96 ms 36316 KB Output is correct
178 Correct 2455 ms 9552 KB Output is correct
179 Correct 73 ms 11900 KB Output is correct
180 Correct 5 ms 1372 KB Output is correct
181 Correct 50 ms 10164 KB Output is correct
182 Incorrect 5 ms 1112 KB Output isn't correct
183 Halted 0 ms 0 KB -