oj.uz

Submission #536262

# Submission time Handle Problem Language Result Execution time Memory
536262 2022-03-12T16:47:29 Z timreizin Traffic (IOI10_traffic) C++17
100 / 100
 1328 ms 158944 KB 
#include "traffic.h"
#include <vector>

using namespace std;

using ll = long long;

int LocateCentre(int n,  int P[], int S[], int D[])
{
    vector<ll> val(n);
    for (int i = 0; i < n; ++i) val[i] = P[i];
    vector<vector<int>> adj(n);
    for (int i = 0; i + 1 < n; ++i)
    {
        adj[S[i]].push_back(D[i]);
        adj[D[i]].push_back(S[i]);
    }
    vector<ll> dp = val;
    auto dfs1 = [&dp, &adj](auto self, int v, int p) -> ll
    {
        for (int u : adj[v]) if (u != p) dp[v] += self(self, u, v);
        return dp[v];
    };
    dfs1(dfs1, 0, -1);
    auto dfs2 = [&dp, &adj, &val](auto self, int v, int p, ll dpP) -> pair<ll, int>
    {
        pair<ll, int> res{dpP, v};
        dpP += val[v];
        for (int u : adj[v]) if (u != p)
        {
            res.first= max(res.first, dp[u]);
            dpP += dp[u];
        }
        for (int u : adj[v]) if (u != p)
        {
            pair<ll, int> ret = self(self, u, v, dpP - dp[u]);
            if (ret.first < res.first) res = ret;
        }
        return res;
    };
    return dfs2(dfs2, 0, -1, 0).second;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 304 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 440 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 300 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 304 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 440 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 300 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 304 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 300 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 23 ms 8168 KB Output is correct
69 Correct 43 ms 15980 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 66 ms 23944 KB Output is correct
72 Correct 95 ms 31860 KB Output is correct
73 Correct 114 ms 39876 KB Output is correct
74 Correct 130 ms 47868 KB Output is correct
75 Correct 152 ms 55860 KB Output is correct
76 Correct 176 ms 63728 KB Output is correct
77 Correct 208 ms 71740 KB Output is correct
78 Correct 218 ms 79584 KB Output is correct
79 Correct 247 ms 87628 KB Output is correct
80 Correct 263 ms 95708 KB Output is correct
81 Correct 0 ms 212 KB Output is correct
82 Correct 292 ms 103556 KB Output is correct
83 Correct 310 ms 111392 KB Output is correct
84 Correct 340 ms 119464 KB Output is correct
85 Correct 365 ms 127424 KB Output is correct
86 Correct 386 ms 135412 KB Output is correct
87 Correct 409 ms 143088 KB Output is correct
88 Correct 464 ms 151288 KB Output is correct
89 Correct 444 ms 158944 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 0 ms 212 KB Output is correct
92 Correct 0 ms 304 KB Output is correct
93 Correct 0 ms 212 KB Output is correct
94 Correct 0 ms 212 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 304 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 440 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 300 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 308 KB Output is correct
56 Correct 0 ms 300 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 0 ms 212 KB Output is correct
69 Correct 0 ms 300 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 0 ms 212 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 304 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 1 ms 340 KB Output is correct
79 Correct 1 ms 308 KB Output is correct
80 Correct 1 ms 308 KB Output is correct
81 Correct 0 ms 300 KB Output is correct
82 Correct 1 ms 340 KB Output is correct
83 Correct 1 ms 312 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 340 KB Output is correct
92 Correct 0 ms 212 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 1 ms 412 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 0 ms 212 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 0 ms 212 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 304 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 440 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 300 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 304 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 300 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 23 ms 8168 KB Output is correct
69 Correct 43 ms 15980 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 66 ms 23944 KB Output is correct
72 Correct 95 ms 31860 KB Output is correct
73 Correct 114 ms 39876 KB Output is correct
74 Correct 130 ms 47868 KB Output is correct
75 Correct 152 ms 55860 KB Output is correct
76 Correct 176 ms 63728 KB Output is correct
77 Correct 208 ms 71740 KB Output is correct
78 Correct 218 ms 79584 KB Output is correct
79 Correct 247 ms 87628 KB Output is correct
80 Correct 263 ms 95708 KB Output is correct
81 Correct 0 ms 212 KB Output is correct
82 Correct 292 ms 103556 KB Output is correct
83 Correct 310 ms 111392 KB Output is correct
84 Correct 340 ms 119464 KB Output is correct
85 Correct 365 ms 127424 KB Output is correct
86 Correct 386 ms 135412 KB Output is correct
87 Correct 409 ms 143088 KB Output is correct
88 Correct 464 ms 151288 KB Output is correct
89 Correct 444 ms 158944 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 0 ms 212 KB Output is correct
92 Correct 0 ms 304 KB Output is correct
93 Correct 0 ms 212 KB Output is correct
94 Correct 0 ms 212 KB Output is correct
95 Correct 0 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 1 ms 212 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 0 ms 212 KB Output is correct
100 Correct 0 ms 212 KB Output is correct
101 Correct 0 ms 212 KB Output is correct
102 Correct 0 ms 308 KB Output is correct
103 Correct 0 ms 300 KB Output is correct
104 Correct 0 ms 212 KB Output is correct
105 Correct 1 ms 212 KB Output is correct
106 Correct 0 ms 212 KB Output is correct
107 Correct 1 ms 212 KB Output is correct
108 Correct 0 ms 212 KB Output is correct
109 Correct 0 ms 212 KB Output is correct
110 Correct 0 ms 212 KB Output is correct
111 Correct 1 ms 212 KB Output is correct
112 Correct 0 ms 212 KB Output is correct
113 Correct 0 ms 212 KB Output is correct
114 Correct 0 ms 212 KB Output is correct
115 Correct 0 ms 212 KB Output is correct
116 Correct 0 ms 300 KB Output is correct
117 Correct 1 ms 212 KB Output is correct
118 Correct 0 ms 212 KB Output is correct
119 Correct 1 ms 212 KB Output is correct
120 Correct 0 ms 212 KB Output is correct
121 Correct 1 ms 212 KB Output is correct
122 Correct 0 ms 212 KB Output is correct
123 Correct 0 ms 304 KB Output is correct
124 Correct 1 ms 340 KB Output is correct
125 Correct 1 ms 340 KB Output is correct
126 Correct 1 ms 308 KB Output is correct
127 Correct 1 ms 308 KB Output is correct
128 Correct 0 ms 300 KB Output is correct
129 Correct 1 ms 340 KB Output is correct
130 Correct 1 ms 312 KB Output is correct
131 Correct 1 ms 340 KB Output is correct
132 Correct 1 ms 340 KB Output is correct
133 Correct 1 ms 340 KB Output is correct
134 Correct 1 ms 340 KB Output is correct
135 Correct 1 ms 340 KB Output is correct
136 Correct 1 ms 340 KB Output is correct
137 Correct 1 ms 340 KB Output is correct
138 Correct 1 ms 340 KB Output is correct
139 Correct 0 ms 212 KB Output is correct
140 Correct 1 ms 340 KB Output is correct
141 Correct 1 ms 412 KB Output is correct
142 Correct 1 ms 340 KB Output is correct
143 Correct 0 ms 212 KB Output is correct
144 Correct 0 ms 212 KB Output is correct
145 Correct 0 ms 212 KB Output is correct
146 Correct 0 ms 212 KB Output is correct
147 Correct 0 ms 308 KB Output is correct
148 Correct 1 ms 212 KB Output is correct
149 Correct 0 ms 256 KB Output is correct
150 Correct 0 ms 304 KB Output is correct
151 Correct 1 ms 212 KB Output is correct
152 Correct 0 ms 212 KB Output is correct
153 Correct 1 ms 300 KB Output is correct
154 Correct 0 ms 212 KB Output is correct
155 Correct 0 ms 212 KB Output is correct
156 Correct 0 ms 212 KB Output is correct
157 Correct 0 ms 212 KB Output is correct
158 Correct 0 ms 212 KB Output is correct
159 Correct 0 ms 340 KB Output is correct
160 Correct 0 ms 212 KB Output is correct
161 Correct 0 ms 212 KB Output is correct
162 Correct 1 ms 304 KB Output is correct
163 Correct 0 ms 212 KB Output is correct
164 Correct 1 ms 304 KB Output is correct
165 Correct 0 ms 212 KB Output is correct
166 Correct 1 ms 212 KB Output is correct
167 Correct 0 ms 212 KB Output is correct
168 Correct 0 ms 212 KB Output is correct
169 Correct 0 ms 304 KB Output is correct
170 Correct 0 ms 212 KB Output is correct
171 Correct 28 ms 5296 KB Output is correct
172 Correct 68 ms 10168 KB Output is correct
173 Correct 118 ms 15396 KB Output is correct
174 Correct 177 ms 20304 KB Output is correct
175 Correct 235 ms 25316 KB Output is correct
176 Correct 352 ms 30508 KB Output is correct
177 Correct 359 ms 35468 KB Output is correct
178 Correct 454 ms 40616 KB Output is correct
179 Correct 508 ms 45512 KB Output is correct
180 Correct 0 ms 212 KB Output is correct
181 Correct 592 ms 50572 KB Output is correct
182 Correct 670 ms 55732 KB Output is correct
183 Correct 766 ms 60576 KB Output is correct
184 Correct 791 ms 65588 KB Output is correct
185 Correct 922 ms 70728 KB Output is correct
186 Correct 933 ms 76068 KB Output is correct
187 Correct 1054 ms 80692 KB Output is correct
188 Correct 1098 ms 85856 KB Output is correct
189 Correct 1189 ms 90848 KB Output is correct
190 Correct 1239 ms 95812 KB Output is correct
191 Correct 0 ms 304 KB Output is correct
192 Correct 1328 ms 100772 KB Output is correct
193 Correct 226 ms 78236 KB Output is correct
194 Correct 456 ms 156652 KB Output is correct
195 Correct 0 ms 212 KB Output is correct
196 Correct 0 ms 212 KB Output is correct
197 Correct 0 ms 212 KB Output is correct
198 Correct 0 ms 212 KB Output is correct