oj.uz

Submission #841686

# Submission time Handle Problem Language Result Execution time Memory
841686 2023-09-01T21:51:34 Z asdfgrace Traffic (IOI10_traffic) C++17
100 / 100
 1044 ms 182612 KB 
#include <bits/stdc++.h>
#include "traffic.h"
using namespace std;

int LocateCentre(int N, int P[], int S[], int D[]) {
  vector<vector<int>> edges(N);
  for (int i = 0; i < N - 1; ++i) {
    edges[S[i]].push_back(D[i]);
    edges[D[i]].push_back(S[i]);
  }
  vector<int> sub(N, 0);
  int tot = 0;
  function<void(int, int)> dfs1 = [&] (int node, int par) {
    for (int next : edges[node]) {
      if (next == par) continue;
      dfs1(next, node);
      sub[node] += sub[next];
    }
    sub[node] += P[node];
    tot += P[node];
  };
  dfs1(0, 0);
  int ans = 0, root = 0;
  for (int ch : edges[0]) {
    ans = max(ans, sub[ch]);
  }
  function<void(int, int)> dfs2 = [&] (int node, int par) -> void {
    int mx = tot - sub[node];
    for (int next : edges[node]) {
      if (next == par) continue;
      mx = max(mx, sub[next]);
    }
    if (mx < ans) {
      ans = mx;
      root = node;
    }
    for (int next : edges[node]) {
      if (next == par) continue;
      dfs2(next, node);
    }
  };
  dfs2(0, 0);
  return root;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 KB Output is correct
3 Correct 1 ms 4488 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 3 ms 4540 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4696 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4516 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4700 KB Output is correct
41 Correct 1 ms 4700 KB Output is correct
42 Correct 1 ms 4700 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 KB Output is correct
3 Correct 1 ms 4488 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 3 ms 4540 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4696 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4516 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4700 KB Output is correct
41 Correct 1 ms 4700 KB Output is correct
42 Correct 1 ms 4700 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4540 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4540 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct
65 Correct 1 ms 4444 KB Output is correct
66 Correct 1 ms 4444 KB Output is correct
67 Correct 1 ms 4444 KB Output is correct
68 Correct 18 ms 15196 KB Output is correct
69 Correct 36 ms 25616 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 50 ms 36116 KB Output is correct
72 Correct 70 ms 44792 KB Output is correct
73 Correct 94 ms 53336 KB Output is correct
74 Correct 104 ms 61744 KB Output is correct
75 Correct 122 ms 70492 KB Output is correct
76 Correct 137 ms 78820 KB Output is correct
77 Correct 154 ms 87396 KB Output is correct
78 Correct 178 ms 96084 KB Output is correct
79 Correct 194 ms 104668 KB Output is correct
80 Correct 240 ms 113068 KB Output is correct
81 Correct 1 ms 4444 KB Output is correct
82 Correct 248 ms 121696 KB Output is correct
83 Correct 274 ms 130160 KB Output is correct
84 Correct 276 ms 139052 KB Output is correct
85 Correct 290 ms 147816 KB Output is correct
86 Correct 348 ms 156728 KB Output is correct
87 Correct 317 ms 165144 KB Output is correct
88 Correct 378 ms 174072 KB Output is correct
89 Correct 380 ms 182612 KB Output is correct
90 Correct 1 ms 2396 KB Output is correct
91 Correct 1 ms 4444 KB Output is correct
92 Correct 1 ms 4444 KB Output is correct
93 Correct 1 ms 4536 KB Output is correct
94 Correct 1 ms 4540 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 KB Output is correct
3 Correct 1 ms 4488 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 3 ms 4540 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4696 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4516 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4700 KB Output is correct
41 Correct 1 ms 4700 KB Output is correct
42 Correct 1 ms 4700 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4540 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct
65 Correct 1 ms 4444 KB Output is correct
66 Correct 1 ms 4444 KB Output is correct
67 Correct 1 ms 4444 KB Output is correct
68 Correct 1 ms 4444 KB Output is correct
69 Correct 1 ms 4536 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 1 ms 4444 KB Output is correct
73 Correct 1 ms 4444 KB Output is correct
74 Correct 1 ms 4444 KB Output is correct
75 Correct 1 ms 4444 KB Output is correct
76 Correct 1 ms 4544 KB Output is correct
77 Correct 1 ms 4444 KB Output is correct
78 Correct 1 ms 4444 KB Output is correct
79 Correct 1 ms 4444 KB Output is correct
80 Correct 1 ms 4444 KB Output is correct
81 Correct 0 ms 2396 KB Output is correct
82 Correct 1 ms 4444 KB Output is correct
83 Correct 1 ms 4540 KB Output is correct
84 Correct 1 ms 4444 KB Output is correct
85 Correct 1 ms 4444 KB Output is correct
86 Correct 1 ms 4552 KB Output is correct
87 Correct 1 ms 4444 KB Output is correct
88 Correct 1 ms 4444 KB Output is correct
89 Correct 1 ms 4444 KB Output is correct
90 Correct 1 ms 4444 KB Output is correct
91 Correct 1 ms 4556 KB Output is correct
92 Correct 1 ms 4444 KB Output is correct
93 Correct 1 ms 4444 KB Output is correct
94 Correct 1 ms 4444 KB Output is correct
95 Correct 1 ms 4700 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4444 KB Output is correct
98 Correct 1 ms 4540 KB Output is correct
99 Correct 1 ms 4444 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 KB Output is correct
3 Correct 1 ms 4488 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 3 ms 4540 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4696 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4516 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4700 KB Output is correct
41 Correct 1 ms 4700 KB Output is correct
42 Correct 1 ms 4700 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4540 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4540 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct
65 Correct 1 ms 4444 KB Output is correct
66 Correct 1 ms 4444 KB Output is correct
67 Correct 1 ms 4444 KB Output is correct
68 Correct 18 ms 15196 KB Output is correct
69 Correct 36 ms 25616 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 50 ms 36116 KB Output is correct
72 Correct 70 ms 44792 KB Output is correct
73 Correct 94 ms 53336 KB Output is correct
74 Correct 104 ms 61744 KB Output is correct
75 Correct 122 ms 70492 KB Output is correct
76 Correct 137 ms 78820 KB Output is correct
77 Correct 154 ms 87396 KB Output is correct
78 Correct 178 ms 96084 KB Output is correct
79 Correct 194 ms 104668 KB Output is correct
80 Correct 240 ms 113068 KB Output is correct
81 Correct 1 ms 4444 KB Output is correct
82 Correct 248 ms 121696 KB Output is correct
83 Correct 274 ms 130160 KB Output is correct
84 Correct 276 ms 139052 KB Output is correct
85 Correct 290 ms 147816 KB Output is correct
86 Correct 348 ms 156728 KB Output is correct
87 Correct 317 ms 165144 KB Output is correct
88 Correct 378 ms 174072 KB Output is correct
89 Correct 380 ms 182612 KB Output is correct
90 Correct 1 ms 2396 KB Output is correct
91 Correct 1 ms 4444 KB Output is correct
92 Correct 1 ms 4444 KB Output is correct
93 Correct 1 ms 4536 KB Output is correct
94 Correct 1 ms 4540 KB Output is correct
95 Correct 1 ms 4444 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4540 KB Output is correct
98 Correct 1 ms 4444 KB Output is correct
99 Correct 1 ms 4444 KB Output is correct
100 Correct 1 ms 4444 KB Output is correct
101 Correct 1 ms 4444 KB Output is correct
102 Correct 1 ms 4444 KB Output is correct
103 Correct 1 ms 4444 KB Output is correct
104 Correct 1 ms 4444 KB Output is correct
105 Correct 1 ms 4444 KB Output is correct
106 Correct 1 ms 4444 KB Output is correct
107 Correct 1 ms 4444 KB Output is correct
108 Correct 1 ms 4444 KB Output is correct
109 Correct 1 ms 4444 KB Output is correct
110 Correct 1 ms 4444 KB Output is correct
111 Correct 1 ms 4444 KB Output is correct
112 Correct 1 ms 4444 KB Output is correct
113 Correct 1 ms 4444 KB Output is correct
114 Correct 1 ms 4444 KB Output is correct
115 Correct 1 ms 4444 KB Output is correct
116 Correct 1 ms 4536 KB Output is correct
117 Correct 1 ms 4444 KB Output is correct
118 Correct 1 ms 4444 KB Output is correct
119 Correct 1 ms 4444 KB Output is correct
120 Correct 1 ms 4444 KB Output is correct
121 Correct 1 ms 4444 KB Output is correct
122 Correct 1 ms 4444 KB Output is correct
123 Correct 1 ms 4544 KB Output is correct
124 Correct 1 ms 4444 KB Output is correct
125 Correct 1 ms 4444 KB Output is correct
126 Correct 1 ms 4444 KB Output is correct
127 Correct 1 ms 4444 KB Output is correct
128 Correct 0 ms 2396 KB Output is correct
129 Correct 1 ms 4444 KB Output is correct
130 Correct 1 ms 4540 KB Output is correct
131 Correct 1 ms 4444 KB Output is correct
132 Correct 1 ms 4444 KB Output is correct
133 Correct 1 ms 4552 KB Output is correct
134 Correct 1 ms 4444 KB Output is correct
135 Correct 1 ms 4444 KB Output is correct
136 Correct 1 ms 4444 KB Output is correct
137 Correct 1 ms 4444 KB Output is correct
138 Correct 1 ms 4556 KB Output is correct
139 Correct 1 ms 4444 KB Output is correct
140 Correct 1 ms 4444 KB Output is correct
141 Correct 1 ms 4444 KB Output is correct
142 Correct 1 ms 4700 KB Output is correct
143 Correct 1 ms 4444 KB Output is correct
144 Correct 1 ms 4444 KB Output is correct
145 Correct 1 ms 4540 KB Output is correct
146 Correct 1 ms 4444 KB Output is correct
147 Correct 1 ms 4444 KB Output is correct
148 Correct 1 ms 4444 KB Output is correct
149 Correct 1 ms 4444 KB Output is correct
150 Correct 1 ms 4444 KB Output is correct
151 Correct 1 ms 4444 KB Output is correct
152 Correct 1 ms 4444 KB Output is correct
153 Correct 1 ms 4444 KB Output is correct
154 Correct 1 ms 4444 KB Output is correct
155 Correct 1 ms 4444 KB Output is correct
156 Correct 1 ms 4444 KB Output is correct
157 Correct 1 ms 4444 KB Output is correct
158 Correct 1 ms 4444 KB Output is correct
159 Correct 1 ms 4544 KB Output is correct
160 Correct 1 ms 4444 KB Output is correct
161 Correct 1 ms 4444 KB Output is correct
162 Correct 1 ms 4444 KB Output is correct
163 Correct 1 ms 4544 KB Output is correct
164 Correct 1 ms 4444 KB Output is correct
165 Correct 1 ms 4444 KB Output is correct
166 Correct 1 ms 4444 KB Output is correct
167 Correct 1 ms 4444 KB Output is correct
168 Correct 1 ms 4540 KB Output is correct
169 Correct 1 ms 4444 KB Output is correct
170 Correct 1 ms 4444 KB Output is correct
171 Correct 20 ms 10516 KB Output is correct
172 Correct 40 ms 16464 KB Output is correct
173 Correct 61 ms 22356 KB Output is correct
174 Correct 81 ms 26196 KB Output is correct
175 Correct 136 ms 29952 KB Output is correct
176 Correct 178 ms 34052 KB Output is correct
177 Correct 240 ms 38036 KB Output is correct
178 Correct 316 ms 41708 KB Output is correct
179 Correct 332 ms 45812 KB Output is correct
180 Correct 0 ms 2396 KB Output is correct
181 Correct 394 ms 49448 KB Output is correct
182 Correct 487 ms 53288 KB Output is correct
183 Correct 562 ms 57428 KB Output is correct
184 Correct 557 ms 60976 KB Output is correct
185 Correct 715 ms 64952 KB Output is correct
186 Correct 748 ms 69024 KB Output is correct
187 Correct 816 ms 72932 KB Output is correct
188 Correct 908 ms 77328 KB Output is correct
189 Correct 908 ms 81176 KB Output is correct
190 Correct 1031 ms 85284 KB Output is correct
191 Correct 1 ms 4444 KB Output is correct
192 Correct 1044 ms 89020 KB Output is correct
193 Correct 206 ms 94556 KB Output is correct
194 Correct 448 ms 180216 KB Output is correct
195 Correct 1 ms 4696 KB Output is correct
196 Correct 1 ms 4444 KB Output is correct
197 Correct 1 ms 4444 KB Output is correct
198 Correct 1 ms 4444 KB Output is correct