oj.uz

Submission #957073

# Submission time Handle Problem Language Result Execution time Memory
957073 2024-04-02T22:30:03 Z MuntherCarrot Traffic (IOI10_traffic) C++14
100 / 100
 794 ms 184192 KB 
#include <bits/stdc++.h>
#include "traffic.h"

using namespace std;

#define ll long long

const int MAXN = 1e6 + 10;
vector<vector<int>> vtx(MAXN);
ll a[MAXN], mx[MAXN], son[MAXN];
ll all;

void dfs(int u, int p){
    for(int v : vtx[u]){
        if(v == p) continue;
        dfs(v, u);
        mx[u] = max(mx[u], son[v]);
        son[u] += son[v];
    }
    son[u] += a[u];
    mx[u] = max(mx[u], all - son[u]);
}

int LocateCentre(int N, int P[], int S[], int D[]){
    all = accumulate(P, P + N, 0ll);
    for(int i = 0; i < N; i++){
        a[i] = P[i];
    }
    for(int i = 0; i < N - 1; i++){
        vtx[S[i]].push_back(D[i]);
        vtx[D[i]].push_back(S[i]);
    }
    dfs(0, 0);
    int ans = 0;
    for(int i = 1; i < N; i++){
        if(mx[i] < mx[ans]){
            ans = i;
        }
    }
    return ans;
}

// by me

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 7 ms 32092 KB Output is correct
4 Correct 8 ms 32092 KB Output is correct
5 Correct 8 ms 32088 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32088 KB Output is correct
9 Correct 8 ms 32092 KB Output is correct
10 Correct 8 ms 32092 KB Output is correct
11 Correct 7 ms 32092 KB Output is correct
12 Correct 7 ms 32092 KB Output is correct
13 Correct 7 ms 32092 KB Output is correct
14 Correct 9 ms 32092 KB Output is correct
15 Correct 9 ms 32088 KB Output is correct
16 Correct 9 ms 32092 KB Output is correct
17 Correct 7 ms 31924 KB Output is correct
18 Correct 9 ms 32088 KB Output is correct
19 Correct 7 ms 32088 KB Output is correct
20 Correct 7 ms 32036 KB Output is correct
21 Correct 7 ms 32064 KB Output is correct
22 Correct 9 ms 32088 KB Output is correct
23 Correct 7 ms 32088 KB Output is correct
24 Correct 9 ms 32088 KB Output is correct
25 Correct 7 ms 32092 KB Output is correct
26 Correct 7 ms 32088 KB Output is correct
27 Correct 7 ms 32092 KB Output is correct
28 Correct 7 ms 32092 KB Output is correct
29 Correct 8 ms 32088 KB Output is correct
30 Correct 8 ms 32092 KB Output is correct
31 Correct 9 ms 32088 KB Output is correct
32 Correct 7 ms 32092 KB Output is correct
33 Correct 7 ms 32092 KB Output is correct
34 Correct 7 ms 32092 KB Output is correct
35 Correct 8 ms 32092 KB Output is correct
36 Correct 8 ms 32092 KB Output is correct
37 Correct 7 ms 32088 KB Output is correct
38 Correct 8 ms 32092 KB Output is correct
39 Correct 8 ms 32092 KB Output is correct
40 Correct 7 ms 32092 KB Output is correct
41 Correct 7 ms 32092 KB Output is correct
42 Correct 7 ms 32092 KB Output is correct
43 Correct 7 ms 29920 KB Output is correct
44 Correct 8 ms 32092 KB Output is correct
45 Correct 8 ms 32092 KB Output is correct
46 Correct 7 ms 32092 KB Output is correct
47 Correct 7 ms 32092 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 7 ms 32092 KB Output is correct
4 Correct 8 ms 32092 KB Output is correct
5 Correct 8 ms 32088 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32088 KB Output is correct
9 Correct 8 ms 32092 KB Output is correct
10 Correct 8 ms 32092 KB Output is correct
11 Correct 7 ms 32092 KB Output is correct
12 Correct 7 ms 32092 KB Output is correct
13 Correct 7 ms 32092 KB Output is correct
14 Correct 9 ms 32092 KB Output is correct
15 Correct 9 ms 32088 KB Output is correct
16 Correct 9 ms 32092 KB Output is correct
17 Correct 7 ms 31924 KB Output is correct
18 Correct 9 ms 32088 KB Output is correct
19 Correct 7 ms 32088 KB Output is correct
20 Correct 7 ms 32036 KB Output is correct
21 Correct 7 ms 32064 KB Output is correct
22 Correct 9 ms 32088 KB Output is correct
23 Correct 7 ms 32088 KB Output is correct
24 Correct 9 ms 32088 KB Output is correct
25 Correct 7 ms 32092 KB Output is correct
26 Correct 7 ms 32088 KB Output is correct
27 Correct 7 ms 32092 KB Output is correct
28 Correct 7 ms 32092 KB Output is correct
29 Correct 8 ms 32088 KB Output is correct
30 Correct 8 ms 32092 KB Output is correct
31 Correct 9 ms 32088 KB Output is correct
32 Correct 7 ms 32092 KB Output is correct
33 Correct 7 ms 32092 KB Output is correct
34 Correct 7 ms 32092 KB Output is correct
35 Correct 8 ms 32092 KB Output is correct
36 Correct 8 ms 32092 KB Output is correct
37 Correct 7 ms 32088 KB Output is correct
38 Correct 8 ms 32092 KB Output is correct
39 Correct 8 ms 32092 KB Output is correct
40 Correct 7 ms 32092 KB Output is correct
41 Correct 7 ms 32092 KB Output is correct
42 Correct 7 ms 32092 KB Output is correct
43 Correct 7 ms 29920 KB Output is correct
44 Correct 8 ms 32092 KB Output is correct
45 Correct 8 ms 32092 KB Output is correct
46 Correct 7 ms 32092 KB Output is correct
47 Correct 7 ms 32092 KB Output is correct
48 Correct 8 ms 32088 KB Output is correct
49 Correct 7 ms 32092 KB Output is correct
50 Correct 7 ms 32092 KB Output is correct
51 Correct 7 ms 32092 KB Output is correct
52 Correct 7 ms 32092 KB Output is correct
53 Correct 8 ms 32092 KB Output is correct
54 Correct 9 ms 32024 KB Output is correct
55 Correct 8 ms 32092 KB Output is correct
56 Correct 7 ms 32088 KB Output is correct
57 Correct 8 ms 32092 KB Output is correct
58 Correct 7 ms 32092 KB Output is correct
59 Correct 7 ms 32344 KB Output is correct
60 Correct 7 ms 32092 KB Output is correct
61 Correct 8 ms 32092 KB Output is correct
62 Correct 9 ms 32092 KB Output is correct
63 Correct 7 ms 32092 KB Output is correct
64 Correct 7 ms 32092 KB Output is correct
65 Correct 7 ms 32184 KB Output is correct
66 Correct 8 ms 31924 KB Output is correct
67 Correct 7 ms 32140 KB Output is correct
68 Correct 22 ms 38336 KB Output is correct
69 Correct 41 ms 44544 KB Output is correct
70 Correct 7 ms 32092 KB Output is correct
71 Correct 55 ms 52884 KB Output is correct
72 Correct 70 ms 59148 KB Output is correct
73 Correct 86 ms 65332 KB Output is correct
74 Correct 108 ms 71540 KB Output is correct
75 Correct 119 ms 79992 KB Output is correct
76 Correct 138 ms 90196 KB Output is correct
77 Correct 158 ms 98740 KB Output is correct
78 Correct 167 ms 104832 KB Output is correct
79 Correct 185 ms 111188 KB Output is correct
80 Correct 210 ms 117328 KB Output is correct
81 Correct 7 ms 32092 KB Output is correct
82 Correct 222 ms 125824 KB Output is correct
83 Correct 238 ms 131964 KB Output is correct
84 Correct 255 ms 138404 KB Output is correct
85 Correct 265 ms 144512 KB Output is correct
86 Correct 285 ms 150640 KB Output is correct
87 Correct 301 ms 157032 KB Output is correct
88 Correct 331 ms 162648 KB Output is correct
89 Correct 336 ms 168488 KB Output is correct
90 Correct 7 ms 30044 KB Output is correct
91 Correct 7 ms 32088 KB Output is correct
92 Correct 8 ms 32092 KB Output is correct
93 Correct 8 ms 32092 KB Output is correct
94 Correct 7 ms 31944 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 7 ms 32092 KB Output is correct
4 Correct 8 ms 32092 KB Output is correct
5 Correct 8 ms 32088 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32088 KB Output is correct
9 Correct 8 ms 32092 KB Output is correct
10 Correct 8 ms 32092 KB Output is correct
11 Correct 7 ms 32092 KB Output is correct
12 Correct 7 ms 32092 KB Output is correct
13 Correct 7 ms 32092 KB Output is correct
14 Correct 9 ms 32092 KB Output is correct
15 Correct 9 ms 32088 KB Output is correct
16 Correct 9 ms 32092 KB Output is correct
17 Correct 7 ms 31924 KB Output is correct
18 Correct 9 ms 32088 KB Output is correct
19 Correct 7 ms 32088 KB Output is correct
20 Correct 7 ms 32036 KB Output is correct
21 Correct 7 ms 32064 KB Output is correct
22 Correct 9 ms 32088 KB Output is correct
23 Correct 7 ms 32088 KB Output is correct
24 Correct 9 ms 32088 KB Output is correct
25 Correct 7 ms 32092 KB Output is correct
26 Correct 7 ms 32088 KB Output is correct
27 Correct 7 ms 32092 KB Output is correct
28 Correct 7 ms 32092 KB Output is correct
29 Correct 8 ms 32088 KB Output is correct
30 Correct 8 ms 32092 KB Output is correct
31 Correct 9 ms 32088 KB Output is correct
32 Correct 7 ms 32092 KB Output is correct
33 Correct 7 ms 32092 KB Output is correct
34 Correct 7 ms 32092 KB Output is correct
35 Correct 8 ms 32092 KB Output is correct
36 Correct 8 ms 32092 KB Output is correct
37 Correct 7 ms 32088 KB Output is correct
38 Correct 8 ms 32092 KB Output is correct
39 Correct 8 ms 32092 KB Output is correct
40 Correct 7 ms 32092 KB Output is correct
41 Correct 7 ms 32092 KB Output is correct
42 Correct 7 ms 32092 KB Output is correct
43 Correct 7 ms 29920 KB Output is correct
44 Correct 8 ms 32092 KB Output is correct
45 Correct 8 ms 32092 KB Output is correct
46 Correct 7 ms 32092 KB Output is correct
47 Correct 7 ms 32092 KB Output is correct
48 Correct 7 ms 32092 KB Output is correct
49 Correct 8 ms 32088 KB Output is correct
50 Correct 7 ms 32092 KB Output is correct
51 Correct 8 ms 32348 KB Output is correct
52 Correct 8 ms 32092 KB Output is correct
53 Correct 7 ms 32136 KB Output is correct
54 Correct 8 ms 32092 KB Output is correct
55 Correct 8 ms 32092 KB Output is correct
56 Correct 7 ms 32092 KB Output is correct
57 Correct 7 ms 32092 KB Output is correct
58 Correct 8 ms 32092 KB Output is correct
59 Correct 7 ms 31924 KB Output is correct
60 Correct 7 ms 32092 KB Output is correct
61 Correct 9 ms 32092 KB Output is correct
62 Correct 8 ms 32092 KB Output is correct
63 Correct 7 ms 32092 KB Output is correct
64 Correct 8 ms 32092 KB Output is correct
65 Correct 9 ms 32136 KB Output is correct
66 Correct 7 ms 32092 KB Output is correct
67 Correct 8 ms 32092 KB Output is correct
68 Correct 7 ms 32092 KB Output is correct
69 Correct 7 ms 32092 KB Output is correct
70 Correct 8 ms 32136 KB Output is correct
71 Correct 8 ms 32340 KB Output is correct
72 Correct 7 ms 32092 KB Output is correct
73 Correct 7 ms 32092 KB Output is correct
74 Correct 7 ms 32092 KB Output is correct
75 Correct 7 ms 32092 KB Output is correct
76 Correct 7 ms 32092 KB Output is correct
77 Correct 8 ms 32092 KB Output is correct
78 Correct 8 ms 32132 KB Output is correct
79 Correct 9 ms 32092 KB Output is correct
80 Correct 7 ms 32092 KB Output is correct
81 Correct 7 ms 30044 KB Output is correct
82 Correct 7 ms 32148 KB Output is correct
83 Correct 8 ms 32112 KB Output is correct
84 Correct 8 ms 32072 KB Output is correct
85 Correct 8 ms 32092 KB Output is correct
86 Correct 9 ms 32092 KB Output is correct
87 Correct 8 ms 32092 KB Output is correct
88 Correct 8 ms 32092 KB Output is correct
89 Correct 8 ms 32092 KB Output is correct
90 Correct 8 ms 32144 KB Output is correct
91 Correct 9 ms 32376 KB Output is correct
92 Correct 8 ms 32088 KB Output is correct
93 Correct 8 ms 32092 KB Output is correct
94 Correct 7 ms 32092 KB Output is correct
95 Correct 8 ms 32092 KB Output is correct
96 Correct 8 ms 32092 KB Output is correct
97 Correct 8 ms 32092 KB Output is correct
98 Correct 8 ms 32088 KB Output is correct
99 Correct 8 ms 32092 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 7 ms 32092 KB Output is correct
4 Correct 8 ms 32092 KB Output is correct
5 Correct 8 ms 32088 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32088 KB Output is correct
9 Correct 8 ms 32092 KB Output is correct
10 Correct 8 ms 32092 KB Output is correct
11 Correct 7 ms 32092 KB Output is correct
12 Correct 7 ms 32092 KB Output is correct
13 Correct 7 ms 32092 KB Output is correct
14 Correct 9 ms 32092 KB Output is correct
15 Correct 9 ms 32088 KB Output is correct
16 Correct 9 ms 32092 KB Output is correct
17 Correct 7 ms 31924 KB Output is correct
18 Correct 9 ms 32088 KB Output is correct
19 Correct 7 ms 32088 KB Output is correct
20 Correct 7 ms 32036 KB Output is correct
21 Correct 7 ms 32064 KB Output is correct
22 Correct 9 ms 32088 KB Output is correct
23 Correct 7 ms 32088 KB Output is correct
24 Correct 9 ms 32088 KB Output is correct
25 Correct 7 ms 32092 KB Output is correct
26 Correct 7 ms 32088 KB Output is correct
27 Correct 7 ms 32092 KB Output is correct
28 Correct 7 ms 32092 KB Output is correct
29 Correct 8 ms 32088 KB Output is correct
30 Correct 8 ms 32092 KB Output is correct
31 Correct 9 ms 32088 KB Output is correct
32 Correct 7 ms 32092 KB Output is correct
33 Correct 7 ms 32092 KB Output is correct
34 Correct 7 ms 32092 KB Output is correct
35 Correct 8 ms 32092 KB Output is correct
36 Correct 8 ms 32092 KB Output is correct
37 Correct 7 ms 32088 KB Output is correct
38 Correct 8 ms 32092 KB Output is correct
39 Correct 8 ms 32092 KB Output is correct
40 Correct 7 ms 32092 KB Output is correct
41 Correct 7 ms 32092 KB Output is correct
42 Correct 7 ms 32092 KB Output is correct
43 Correct 7 ms 29920 KB Output is correct
44 Correct 8 ms 32092 KB Output is correct
45 Correct 8 ms 32092 KB Output is correct
46 Correct 7 ms 32092 KB Output is correct
47 Correct 7 ms 32092 KB Output is correct
48 Correct 8 ms 32088 KB Output is correct
49 Correct 7 ms 32092 KB Output is correct
50 Correct 7 ms 32092 KB Output is correct
51 Correct 7 ms 32092 KB Output is correct
52 Correct 7 ms 32092 KB Output is correct
53 Correct 8 ms 32092 KB Output is correct
54 Correct 9 ms 32024 KB Output is correct
55 Correct 8 ms 32092 KB Output is correct
56 Correct 7 ms 32088 KB Output is correct
57 Correct 8 ms 32092 KB Output is correct
58 Correct 7 ms 32092 KB Output is correct
59 Correct 7 ms 32344 KB Output is correct
60 Correct 7 ms 32092 KB Output is correct
61 Correct 8 ms 32092 KB Output is correct
62 Correct 9 ms 32092 KB Output is correct
63 Correct 7 ms 32092 KB Output is correct
64 Correct 7 ms 32092 KB Output is correct
65 Correct 7 ms 32184 KB Output is correct
66 Correct 8 ms 31924 KB Output is correct
67 Correct 7 ms 32140 KB Output is correct
68 Correct 22 ms 38336 KB Output is correct
69 Correct 41 ms 44544 KB Output is correct
70 Correct 7 ms 32092 KB Output is correct
71 Correct 55 ms 52884 KB Output is correct
72 Correct 70 ms 59148 KB Output is correct
73 Correct 86 ms 65332 KB Output is correct
74 Correct 108 ms 71540 KB Output is correct
75 Correct 119 ms 79992 KB Output is correct
76 Correct 138 ms 90196 KB Output is correct
77 Correct 158 ms 98740 KB Output is correct
78 Correct 167 ms 104832 KB Output is correct
79 Correct 185 ms 111188 KB Output is correct
80 Correct 210 ms 117328 KB Output is correct
81 Correct 7 ms 32092 KB Output is correct
82 Correct 222 ms 125824 KB Output is correct
83 Correct 238 ms 131964 KB Output is correct
84 Correct 255 ms 138404 KB Output is correct
85 Correct 265 ms 144512 KB Output is correct
86 Correct 285 ms 150640 KB Output is correct
87 Correct 301 ms 157032 KB Output is correct
88 Correct 331 ms 162648 KB Output is correct
89 Correct 336 ms 168488 KB Output is correct
90 Correct 7 ms 30044 KB Output is correct
91 Correct 7 ms 32088 KB Output is correct
92 Correct 8 ms 32092 KB Output is correct
93 Correct 8 ms 32092 KB Output is correct
94 Correct 7 ms 31944 KB Output is correct
95 Correct 7 ms 32092 KB Output is correct
96 Correct 8 ms 32088 KB Output is correct
97 Correct 7 ms 32092 KB Output is correct
98 Correct 8 ms 32348 KB Output is correct
99 Correct 8 ms 32092 KB Output is correct
100 Correct 7 ms 32136 KB Output is correct
101 Correct 8 ms 32092 KB Output is correct
102 Correct 8 ms 32092 KB Output is correct
103 Correct 7 ms 32092 KB Output is correct
104 Correct 7 ms 32092 KB Output is correct
105 Correct 8 ms 32092 KB Output is correct
106 Correct 7 ms 31924 KB Output is correct
107 Correct 7 ms 32092 KB Output is correct
108 Correct 9 ms 32092 KB Output is correct
109 Correct 8 ms 32092 KB Output is correct
110 Correct 7 ms 32092 KB Output is correct
111 Correct 8 ms 32092 KB Output is correct
112 Correct 9 ms 32136 KB Output is correct
113 Correct 7 ms 32092 KB Output is correct
114 Correct 8 ms 32092 KB Output is correct
115 Correct 7 ms 32092 KB Output is correct
116 Correct 7 ms 32092 KB Output is correct
117 Correct 8 ms 32136 KB Output is correct
118 Correct 8 ms 32340 KB Output is correct
119 Correct 7 ms 32092 KB Output is correct
120 Correct 7 ms 32092 KB Output is correct
121 Correct 7 ms 32092 KB Output is correct
122 Correct 7 ms 32092 KB Output is correct
123 Correct 7 ms 32092 KB Output is correct
124 Correct 8 ms 32092 KB Output is correct
125 Correct 8 ms 32132 KB Output is correct
126 Correct 9 ms 32092 KB Output is correct
127 Correct 7 ms 32092 KB Output is correct
128 Correct 7 ms 30044 KB Output is correct
129 Correct 7 ms 32148 KB Output is correct
130 Correct 8 ms 32112 KB Output is correct
131 Correct 8 ms 32072 KB Output is correct
132 Correct 8 ms 32092 KB Output is correct
133 Correct 9 ms 32092 KB Output is correct
134 Correct 8 ms 32092 KB Output is correct
135 Correct 8 ms 32092 KB Output is correct
136 Correct 8 ms 32092 KB Output is correct
137 Correct 8 ms 32144 KB Output is correct
138 Correct 9 ms 32376 KB Output is correct
139 Correct 8 ms 32088 KB Output is correct
140 Correct 8 ms 32092 KB Output is correct
141 Correct 7 ms 32092 KB Output is correct
142 Correct 8 ms 32092 KB Output is correct
143 Correct 8 ms 32092 KB Output is correct
144 Correct 8 ms 32092 KB Output is correct
145 Correct 8 ms 32088 KB Output is correct
146 Correct 8 ms 32092 KB Output is correct
147 Correct 9 ms 32092 KB Output is correct
148 Correct 7 ms 32092 KB Output is correct
149 Correct 9 ms 32092 KB Output is correct
150 Correct 8 ms 32136 KB Output is correct
151 Correct 8 ms 32056 KB Output is correct
152 Correct 8 ms 32088 KB Output is correct
153 Correct 7 ms 32092 KB Output is correct
154 Correct 8 ms 32092 KB Output is correct
155 Correct 8 ms 32092 KB Output is correct
156 Correct 7 ms 32096 KB Output is correct
157 Correct 8 ms 32104 KB Output is correct
158 Correct 7 ms 32088 KB Output is correct
159 Correct 7 ms 32092 KB Output is correct
160 Correct 7 ms 32088 KB Output is correct
161 Correct 8 ms 32092 KB Output is correct
162 Correct 9 ms 32092 KB Output is correct
163 Correct 7 ms 32092 KB Output is correct
164 Correct 7 ms 32092 KB Output is correct
165 Correct 7 ms 32056 KB Output is correct
166 Correct 9 ms 32092 KB Output is correct
167 Correct 8 ms 32092 KB Output is correct
168 Correct 7 ms 32344 KB Output is correct
169 Correct 7 ms 32092 KB Output is correct
170 Correct 7 ms 32016 KB Output is correct
171 Correct 23 ms 37212 KB Output is correct
172 Correct 43 ms 38564 KB Output is correct
173 Correct 75 ms 44016 KB Output is correct
174 Correct 97 ms 47448 KB Output is correct
175 Correct 130 ms 50260 KB Output is correct
176 Correct 187 ms 53740 KB Output is correct
177 Correct 230 ms 58964 KB Output is correct
178 Correct 254 ms 67408 KB Output is correct
179 Correct 343 ms 72816 KB Output is correct
180 Correct 7 ms 30044 KB Output is correct
181 Correct 326 ms 75044 KB Output is correct
182 Correct 392 ms 80132 KB Output is correct
183 Correct 420 ms 81748 KB Output is correct
184 Correct 512 ms 88552 KB Output is correct
185 Correct 566 ms 90448 KB Output is correct
186 Correct 603 ms 93924 KB Output is correct
187 Correct 636 ms 96660 KB Output is correct
188 Correct 671 ms 100484 KB Output is correct
189 Correct 775 ms 102940 KB Output is correct
190 Correct 770 ms 105960 KB Output is correct
191 Correct 9 ms 32092 KB Output is correct
192 Correct 794 ms 108484 KB Output is correct
193 Correct 172 ms 112496 KB Output is correct
194 Correct 343 ms 184192 KB Output is correct
195 Correct 9 ms 32092 KB Output is correct
196 Correct 7 ms 32092 KB Output is correct
197 Correct 7 ms 32092 KB Output is correct
198 Correct 7 ms 32128 KB Output is correct