Submission #522274

# Submission time Handle Problem Language Result Execution time Memory
522274 2022-02-04T12:14:30 Z tkwiatkowski Traffic (IOI10_traffic) C++17
100 / 100
1107 ms 166824 KB
/*
	Zadanie: Traffic
	Autor: Tomasz Kwiatkowski
*/

#include <bits/stdc++.h>
#include "traffic.h"
#define pb push_back

using namespace std;

const int MAXN = 1e6 + 7;

vector<int> G[MAXN];
int dp[MAXN];

void DFS_dp(int v, int p)
{
	for (auto u : G[v]) {
		if (u != p) {
			DFS_dp(u, v);
			dp[v] += dp[u];
		}
	}
}

pair<int, int> DFS_move(int v, int p)
{
	pair<int, int> best = {0, 0};
	for (auto u : G[v])
		best = max(make_pair(dp[u], v), best);
	
	for (auto u : G[v]) {
		if (u != p) {
			dp[v] -= dp[u];
			dp[u] += dp[v];
			best = min(DFS_move(u, v), best);
			dp[u] -= dp[v];
			dp[v] += dp[u];
		}
	}
	return best;
}

int LocateCentre(int N, int P[], int S[], int D[])
{
	for (int i = 0; i < N-1; ++i)
		G[S[i]].pb(D[i]), G[D[i]].pb(S[i]);
	for (int i = 0; i < N; ++i)
		dp[i] = P[i];
	DFS_dp(0, 0);
	return DFS_move(0, 0).second;
}
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB Output is correct
2 Correct 12 ms 23776 KB Output is correct
3 Correct 11 ms 23796 KB Output is correct
4 Correct 12 ms 23756 KB Output is correct
5 Correct 14 ms 23700 KB Output is correct
6 Correct 12 ms 23756 KB Output is correct
7 Correct 12 ms 23744 KB Output is correct
8 Correct 11 ms 23756 KB Output is correct
9 Correct 12 ms 23800 KB Output is correct
10 Correct 16 ms 23800 KB Output is correct
11 Correct 12 ms 23800 KB Output is correct
12 Correct 13 ms 23816 KB Output is correct
13 Correct 12 ms 23792 KB Output is correct
14 Correct 11 ms 23756 KB Output is correct
15 Correct 12 ms 23772 KB Output is correct
16 Correct 11 ms 23724 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 12 ms 23756 KB Output is correct
19 Correct 12 ms 23716 KB Output is correct
20 Correct 12 ms 23696 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 15 ms 23760 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 12 ms 23756 KB Output is correct
25 Correct 12 ms 23732 KB Output is correct
26 Correct 12 ms 23756 KB Output is correct
27 Correct 12 ms 23756 KB Output is correct
28 Correct 12 ms 23804 KB Output is correct
29 Correct 12 ms 23756 KB Output is correct
30 Correct 12 ms 23756 KB Output is correct
31 Correct 14 ms 23860 KB Output is correct
32 Correct 12 ms 23884 KB Output is correct
33 Correct 12 ms 23876 KB Output is correct
34 Correct 12 ms 23756 KB Output is correct
35 Correct 14 ms 23848 KB Output is correct
36 Correct 13 ms 23820 KB Output is correct
37 Correct 17 ms 23884 KB Output is correct
38 Correct 14 ms 23784 KB Output is correct
39 Correct 12 ms 23884 KB Output is correct
40 Correct 15 ms 24008 KB Output is correct
41 Correct 13 ms 23884 KB Output is correct
42 Correct 12 ms 23932 KB Output is correct
43 Correct 12 ms 23756 KB Output is correct
44 Correct 12 ms 23780 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 12 ms 23836 KB Output is correct
47 Correct 12 ms 23800 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB Output is correct
2 Correct 12 ms 23776 KB Output is correct
3 Correct 11 ms 23796 KB Output is correct
4 Correct 12 ms 23756 KB Output is correct
5 Correct 14 ms 23700 KB Output is correct
6 Correct 12 ms 23756 KB Output is correct
7 Correct 12 ms 23744 KB Output is correct
8 Correct 11 ms 23756 KB Output is correct
9 Correct 12 ms 23800 KB Output is correct
10 Correct 16 ms 23800 KB Output is correct
11 Correct 12 ms 23800 KB Output is correct
12 Correct 13 ms 23816 KB Output is correct
13 Correct 12 ms 23792 KB Output is correct
14 Correct 11 ms 23756 KB Output is correct
15 Correct 12 ms 23772 KB Output is correct
16 Correct 11 ms 23724 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 12 ms 23756 KB Output is correct
19 Correct 12 ms 23716 KB Output is correct
20 Correct 12 ms 23696 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 15 ms 23760 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 12 ms 23756 KB Output is correct
25 Correct 12 ms 23732 KB Output is correct
26 Correct 12 ms 23756 KB Output is correct
27 Correct 12 ms 23756 KB Output is correct
28 Correct 12 ms 23804 KB Output is correct
29 Correct 12 ms 23756 KB Output is correct
30 Correct 12 ms 23756 KB Output is correct
31 Correct 14 ms 23860 KB Output is correct
32 Correct 12 ms 23884 KB Output is correct
33 Correct 12 ms 23876 KB Output is correct
34 Correct 12 ms 23756 KB Output is correct
35 Correct 14 ms 23848 KB Output is correct
36 Correct 13 ms 23820 KB Output is correct
37 Correct 17 ms 23884 KB Output is correct
38 Correct 14 ms 23784 KB Output is correct
39 Correct 12 ms 23884 KB Output is correct
40 Correct 15 ms 24008 KB Output is correct
41 Correct 13 ms 23884 KB Output is correct
42 Correct 12 ms 23932 KB Output is correct
43 Correct 12 ms 23756 KB Output is correct
44 Correct 12 ms 23780 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 12 ms 23836 KB Output is correct
47 Correct 12 ms 23800 KB Output is correct
48 Correct 12 ms 23756 KB Output is correct
49 Correct 11 ms 23756 KB Output is correct
50 Correct 11 ms 23692 KB Output is correct
51 Correct 11 ms 23736 KB Output is correct
52 Correct 13 ms 23756 KB Output is correct
53 Correct 13 ms 23756 KB Output is correct
54 Correct 13 ms 23796 KB Output is correct
55 Correct 12 ms 23756 KB Output is correct
56 Correct 14 ms 23756 KB Output is correct
57 Correct 13 ms 23796 KB Output is correct
58 Correct 13 ms 23756 KB Output is correct
59 Correct 12 ms 23796 KB Output is correct
60 Correct 13 ms 23756 KB Output is correct
61 Correct 12 ms 23756 KB Output is correct
62 Correct 12 ms 23756 KB Output is correct
63 Correct 13 ms 23768 KB Output is correct
64 Correct 12 ms 23756 KB Output is correct
65 Correct 15 ms 23756 KB Output is correct
66 Correct 15 ms 23756 KB Output is correct
67 Correct 13 ms 23756 KB Output is correct
68 Correct 35 ms 30880 KB Output is correct
69 Correct 57 ms 37964 KB Output is correct
70 Correct 14 ms 23832 KB Output is correct
71 Correct 76 ms 45196 KB Output is correct
72 Correct 100 ms 52292 KB Output is correct
73 Correct 134 ms 59504 KB Output is correct
74 Correct 140 ms 66560 KB Output is correct
75 Correct 165 ms 73804 KB Output is correct
76 Correct 192 ms 80948 KB Output is correct
77 Correct 233 ms 88188 KB Output is correct
78 Correct 286 ms 95324 KB Output is correct
79 Correct 264 ms 102608 KB Output is correct
80 Correct 299 ms 109624 KB Output is correct
81 Correct 11 ms 23756 KB Output is correct
82 Correct 302 ms 116832 KB Output is correct
83 Correct 345 ms 123912 KB Output is correct
84 Correct 348 ms 131120 KB Output is correct
85 Correct 380 ms 138384 KB Output is correct
86 Correct 420 ms 145400 KB Output is correct
87 Correct 431 ms 152572 KB Output is correct
88 Correct 462 ms 159696 KB Output is correct
89 Correct 497 ms 166824 KB Output is correct
90 Correct 15 ms 23756 KB Output is correct
91 Correct 13 ms 23756 KB Output is correct
92 Correct 17 ms 23760 KB Output is correct
93 Correct 16 ms 23724 KB Output is correct
94 Correct 13 ms 23784 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB Output is correct
2 Correct 12 ms 23776 KB Output is correct
3 Correct 11 ms 23796 KB Output is correct
4 Correct 12 ms 23756 KB Output is correct
5 Correct 14 ms 23700 KB Output is correct
6 Correct 12 ms 23756 KB Output is correct
7 Correct 12 ms 23744 KB Output is correct
8 Correct 11 ms 23756 KB Output is correct
9 Correct 12 ms 23800 KB Output is correct
10 Correct 16 ms 23800 KB Output is correct
11 Correct 12 ms 23800 KB Output is correct
12 Correct 13 ms 23816 KB Output is correct
13 Correct 12 ms 23792 KB Output is correct
14 Correct 11 ms 23756 KB Output is correct
15 Correct 12 ms 23772 KB Output is correct
16 Correct 11 ms 23724 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 12 ms 23756 KB Output is correct
19 Correct 12 ms 23716 KB Output is correct
20 Correct 12 ms 23696 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 15 ms 23760 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 12 ms 23756 KB Output is correct
25 Correct 12 ms 23732 KB Output is correct
26 Correct 12 ms 23756 KB Output is correct
27 Correct 12 ms 23756 KB Output is correct
28 Correct 12 ms 23804 KB Output is correct
29 Correct 12 ms 23756 KB Output is correct
30 Correct 12 ms 23756 KB Output is correct
31 Correct 14 ms 23860 KB Output is correct
32 Correct 12 ms 23884 KB Output is correct
33 Correct 12 ms 23876 KB Output is correct
34 Correct 12 ms 23756 KB Output is correct
35 Correct 14 ms 23848 KB Output is correct
36 Correct 13 ms 23820 KB Output is correct
37 Correct 17 ms 23884 KB Output is correct
38 Correct 14 ms 23784 KB Output is correct
39 Correct 12 ms 23884 KB Output is correct
40 Correct 15 ms 24008 KB Output is correct
41 Correct 13 ms 23884 KB Output is correct
42 Correct 12 ms 23932 KB Output is correct
43 Correct 12 ms 23756 KB Output is correct
44 Correct 12 ms 23780 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 12 ms 23836 KB Output is correct
47 Correct 12 ms 23800 KB Output is correct
48 Correct 14 ms 23804 KB Output is correct
49 Correct 12 ms 23756 KB Output is correct
50 Correct 13 ms 23756 KB Output is correct
51 Correct 14 ms 23740 KB Output is correct
52 Correct 12 ms 23716 KB Output is correct
53 Correct 12 ms 23792 KB Output is correct
54 Correct 11 ms 23756 KB Output is correct
55 Correct 12 ms 23728 KB Output is correct
56 Correct 12 ms 23756 KB Output is correct
57 Correct 12 ms 23776 KB Output is correct
58 Correct 12 ms 23776 KB Output is correct
59 Correct 13 ms 23756 KB Output is correct
60 Correct 13 ms 23796 KB Output is correct
61 Correct 13 ms 23800 KB Output is correct
62 Correct 12 ms 23768 KB Output is correct
63 Correct 12 ms 23716 KB Output is correct
64 Correct 12 ms 23748 KB Output is correct
65 Correct 12 ms 23756 KB Output is correct
66 Correct 11 ms 23716 KB Output is correct
67 Correct 12 ms 23756 KB Output is correct
68 Correct 13 ms 23756 KB Output is correct
69 Correct 12 ms 23756 KB Output is correct
70 Correct 12 ms 23796 KB Output is correct
71 Correct 12 ms 23756 KB Output is correct
72 Correct 13 ms 23756 KB Output is correct
73 Correct 12 ms 23760 KB Output is correct
74 Correct 12 ms 23756 KB Output is correct
75 Correct 12 ms 23756 KB Output is correct
76 Correct 16 ms 23800 KB Output is correct
77 Correct 16 ms 23756 KB Output is correct
78 Correct 12 ms 23756 KB Output is correct
79 Correct 12 ms 23836 KB Output is correct
80 Correct 12 ms 23756 KB Output is correct
81 Correct 12 ms 23692 KB Output is correct
82 Correct 12 ms 23756 KB Output is correct
83 Correct 13 ms 23720 KB Output is correct
84 Correct 12 ms 23808 KB Output is correct
85 Correct 12 ms 23804 KB Output is correct
86 Correct 12 ms 23756 KB Output is correct
87 Correct 12 ms 23756 KB Output is correct
88 Correct 12 ms 23756 KB Output is correct
89 Correct 12 ms 23784 KB Output is correct
90 Correct 12 ms 23792 KB Output is correct
91 Correct 13 ms 23812 KB Output is correct
92 Correct 12 ms 23792 KB Output is correct
93 Correct 12 ms 23756 KB Output is correct
94 Correct 13 ms 23800 KB Output is correct
95 Correct 13 ms 23932 KB Output is correct
96 Correct 12 ms 23792 KB Output is correct
97 Correct 11 ms 23756 KB Output is correct
98 Correct 12 ms 23796 KB Output is correct
99 Correct 12 ms 23804 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB Output is correct
2 Correct 12 ms 23776 KB Output is correct
3 Correct 11 ms 23796 KB Output is correct
4 Correct 12 ms 23756 KB Output is correct
5 Correct 14 ms 23700 KB Output is correct
6 Correct 12 ms 23756 KB Output is correct
7 Correct 12 ms 23744 KB Output is correct
8 Correct 11 ms 23756 KB Output is correct
9 Correct 12 ms 23800 KB Output is correct
10 Correct 16 ms 23800 KB Output is correct
11 Correct 12 ms 23800 KB Output is correct
12 Correct 13 ms 23816 KB Output is correct
13 Correct 12 ms 23792 KB Output is correct
14 Correct 11 ms 23756 KB Output is correct
15 Correct 12 ms 23772 KB Output is correct
16 Correct 11 ms 23724 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 12 ms 23756 KB Output is correct
19 Correct 12 ms 23716 KB Output is correct
20 Correct 12 ms 23696 KB Output is correct
21 Correct 13 ms 23756 KB Output is correct
22 Correct 15 ms 23760 KB Output is correct
23 Correct 16 ms 23756 KB Output is correct
24 Correct 12 ms 23756 KB Output is correct
25 Correct 12 ms 23732 KB Output is correct
26 Correct 12 ms 23756 KB Output is correct
27 Correct 12 ms 23756 KB Output is correct
28 Correct 12 ms 23804 KB Output is correct
29 Correct 12 ms 23756 KB Output is correct
30 Correct 12 ms 23756 KB Output is correct
31 Correct 14 ms 23860 KB Output is correct
32 Correct 12 ms 23884 KB Output is correct
33 Correct 12 ms 23876 KB Output is correct
34 Correct 12 ms 23756 KB Output is correct
35 Correct 14 ms 23848 KB Output is correct
36 Correct 13 ms 23820 KB Output is correct
37 Correct 17 ms 23884 KB Output is correct
38 Correct 14 ms 23784 KB Output is correct
39 Correct 12 ms 23884 KB Output is correct
40 Correct 15 ms 24008 KB Output is correct
41 Correct 13 ms 23884 KB Output is correct
42 Correct 12 ms 23932 KB Output is correct
43 Correct 12 ms 23756 KB Output is correct
44 Correct 12 ms 23780 KB Output is correct
45 Correct 14 ms 23816 KB Output is correct
46 Correct 12 ms 23836 KB Output is correct
47 Correct 12 ms 23800 KB Output is correct
48 Correct 12 ms 23756 KB Output is correct
49 Correct 11 ms 23756 KB Output is correct
50 Correct 11 ms 23692 KB Output is correct
51 Correct 11 ms 23736 KB Output is correct
52 Correct 13 ms 23756 KB Output is correct
53 Correct 13 ms 23756 KB Output is correct
54 Correct 13 ms 23796 KB Output is correct
55 Correct 12 ms 23756 KB Output is correct
56 Correct 14 ms 23756 KB Output is correct
57 Correct 13 ms 23796 KB Output is correct
58 Correct 13 ms 23756 KB Output is correct
59 Correct 12 ms 23796 KB Output is correct
60 Correct 13 ms 23756 KB Output is correct
61 Correct 12 ms 23756 KB Output is correct
62 Correct 12 ms 23756 KB Output is correct
63 Correct 13 ms 23768 KB Output is correct
64 Correct 12 ms 23756 KB Output is correct
65 Correct 15 ms 23756 KB Output is correct
66 Correct 15 ms 23756 KB Output is correct
67 Correct 13 ms 23756 KB Output is correct
68 Correct 35 ms 30880 KB Output is correct
69 Correct 57 ms 37964 KB Output is correct
70 Correct 14 ms 23832 KB Output is correct
71 Correct 76 ms 45196 KB Output is correct
72 Correct 100 ms 52292 KB Output is correct
73 Correct 134 ms 59504 KB Output is correct
74 Correct 140 ms 66560 KB Output is correct
75 Correct 165 ms 73804 KB Output is correct
76 Correct 192 ms 80948 KB Output is correct
77 Correct 233 ms 88188 KB Output is correct
78 Correct 286 ms 95324 KB Output is correct
79 Correct 264 ms 102608 KB Output is correct
80 Correct 299 ms 109624 KB Output is correct
81 Correct 11 ms 23756 KB Output is correct
82 Correct 302 ms 116832 KB Output is correct
83 Correct 345 ms 123912 KB Output is correct
84 Correct 348 ms 131120 KB Output is correct
85 Correct 380 ms 138384 KB Output is correct
86 Correct 420 ms 145400 KB Output is correct
87 Correct 431 ms 152572 KB Output is correct
88 Correct 462 ms 159696 KB Output is correct
89 Correct 497 ms 166824 KB Output is correct
90 Correct 15 ms 23756 KB Output is correct
91 Correct 13 ms 23756 KB Output is correct
92 Correct 17 ms 23760 KB Output is correct
93 Correct 16 ms 23724 KB Output is correct
94 Correct 13 ms 23784 KB Output is correct
95 Correct 14 ms 23804 KB Output is correct
96 Correct 12 ms 23756 KB Output is correct
97 Correct 13 ms 23756 KB Output is correct
98 Correct 14 ms 23740 KB Output is correct
99 Correct 12 ms 23716 KB Output is correct
100 Correct 12 ms 23792 KB Output is correct
101 Correct 11 ms 23756 KB Output is correct
102 Correct 12 ms 23728 KB Output is correct
103 Correct 12 ms 23756 KB Output is correct
104 Correct 12 ms 23776 KB Output is correct
105 Correct 12 ms 23776 KB Output is correct
106 Correct 13 ms 23756 KB Output is correct
107 Correct 13 ms 23796 KB Output is correct
108 Correct 13 ms 23800 KB Output is correct
109 Correct 12 ms 23768 KB Output is correct
110 Correct 12 ms 23716 KB Output is correct
111 Correct 12 ms 23748 KB Output is correct
112 Correct 12 ms 23756 KB Output is correct
113 Correct 11 ms 23716 KB Output is correct
114 Correct 12 ms 23756 KB Output is correct
115 Correct 13 ms 23756 KB Output is correct
116 Correct 12 ms 23756 KB Output is correct
117 Correct 12 ms 23796 KB Output is correct
118 Correct 12 ms 23756 KB Output is correct
119 Correct 13 ms 23756 KB Output is correct
120 Correct 12 ms 23760 KB Output is correct
121 Correct 12 ms 23756 KB Output is correct
122 Correct 12 ms 23756 KB Output is correct
123 Correct 16 ms 23800 KB Output is correct
124 Correct 16 ms 23756 KB Output is correct
125 Correct 12 ms 23756 KB Output is correct
126 Correct 12 ms 23836 KB Output is correct
127 Correct 12 ms 23756 KB Output is correct
128 Correct 12 ms 23692 KB Output is correct
129 Correct 12 ms 23756 KB Output is correct
130 Correct 13 ms 23720 KB Output is correct
131 Correct 12 ms 23808 KB Output is correct
132 Correct 12 ms 23804 KB Output is correct
133 Correct 12 ms 23756 KB Output is correct
134 Correct 12 ms 23756 KB Output is correct
135 Correct 12 ms 23756 KB Output is correct
136 Correct 12 ms 23784 KB Output is correct
137 Correct 12 ms 23792 KB Output is correct
138 Correct 13 ms 23812 KB Output is correct
139 Correct 12 ms 23792 KB Output is correct
140 Correct 12 ms 23756 KB Output is correct
141 Correct 13 ms 23800 KB Output is correct
142 Correct 13 ms 23932 KB Output is correct
143 Correct 12 ms 23792 KB Output is correct
144 Correct 11 ms 23756 KB Output is correct
145 Correct 12 ms 23796 KB Output is correct
146 Correct 12 ms 23804 KB Output is correct
147 Correct 11 ms 23816 KB Output is correct
148 Correct 12 ms 23756 KB Output is correct
149 Correct 12 ms 23800 KB Output is correct
150 Correct 12 ms 23756 KB Output is correct
151 Correct 11 ms 23808 KB Output is correct
152 Correct 12 ms 23756 KB Output is correct
153 Correct 14 ms 23756 KB Output is correct
154 Correct 11 ms 23756 KB Output is correct
155 Correct 12 ms 23756 KB Output is correct
156 Correct 12 ms 23700 KB Output is correct
157 Correct 12 ms 23756 KB Output is correct
158 Correct 12 ms 23756 KB Output is correct
159 Correct 12 ms 23796 KB Output is correct
160 Correct 12 ms 23796 KB Output is correct
161 Correct 12 ms 23756 KB Output is correct
162 Correct 12 ms 23792 KB Output is correct
163 Correct 11 ms 23756 KB Output is correct
164 Correct 12 ms 23796 KB Output is correct
165 Correct 12 ms 23796 KB Output is correct
166 Correct 11 ms 23756 KB Output is correct
167 Correct 12 ms 23760 KB Output is correct
168 Correct 11 ms 23756 KB Output is correct
169 Correct 12 ms 23756 KB Output is correct
170 Correct 12 ms 23760 KB Output is correct
171 Correct 40 ms 26988 KB Output is correct
172 Correct 72 ms 30188 KB Output is correct
173 Correct 108 ms 33504 KB Output is correct
174 Correct 199 ms 36776 KB Output is correct
175 Correct 226 ms 40132 KB Output is correct
176 Correct 264 ms 43328 KB Output is correct
177 Correct 389 ms 46632 KB Output is correct
178 Correct 374 ms 49916 KB Output is correct
179 Correct 462 ms 53272 KB Output is correct
180 Correct 12 ms 23756 KB Output is correct
181 Correct 519 ms 56468 KB Output is correct
182 Correct 575 ms 59768 KB Output is correct
183 Correct 646 ms 63016 KB Output is correct
184 Correct 726 ms 66328 KB Output is correct
185 Correct 730 ms 69624 KB Output is correct
186 Correct 799 ms 72876 KB Output is correct
187 Correct 859 ms 76072 KB Output is correct
188 Correct 923 ms 79360 KB Output is correct
189 Correct 1025 ms 82492 KB Output is correct
190 Correct 1008 ms 85820 KB Output is correct
191 Correct 12 ms 23756 KB Output is correct
192 Correct 1107 ms 88980 KB Output is correct
193 Correct 230 ms 93952 KB Output is correct
194 Correct 478 ms 164332 KB Output is correct
195 Correct 13 ms 23780 KB Output is correct
196 Correct 13 ms 23756 KB Output is correct
197 Correct 13 ms 23756 KB Output is correct
198 Correct 13 ms 23816 KB Output is correct