Submission #426607

# Submission time Handle Problem Language Result Execution time Memory
426607 2021-06-14T07:47:11 Z proma Traffic (IOI10_traffic) C++17
100 / 100
1556 ms 157152 KB
#include <bits/stdc++.h>
#define see(x) cerr<<#x<<"="<<x<<"\n";

using namespace std;

vector <int> sum, max_edge, last_edge;
vector <vector <int>> g;

void dfs (int v, int par, int P[]) {
    sum[v] = 0;
    max_edge[v] = 0;
    for (auto i: g[v]) {
        if (i != par) {
            dfs(i, v, P);
            sum[v] += sum[i] + P[i];
            max_edge[v] = max(max_edge[v], sum[i] + P[i]);
        }
    }
}

void dfs_for_last_edge (int v, int par, int P[]) {
    for (auto i: g[v]) {
        if (i != par) {
            last_edge[i] = sum[v] + P[v] + last_edge[v] - sum[i] - P[i];
            dfs_for_last_edge(i, v, P);
        }
    }
}

int LocateCentre (int N, int P[], int S[], int D[]) {
    g.resize(N);
    sum.resize(N);
    max_edge.resize(N);
    last_edge.resize(N);

    for (int i = 0; i < N - 1; i ++) {
        g[S[i]].push_back(D[i]);
        g[D[i]].push_back(S[i]);
    }

    last_edge[0] = 0;
    dfs(0, -1, P);
    dfs_for_last_edge(0, -1, P);

    int min_res = max_edge[0], ans = 0;
    for (int i = 1; i < N; i ++) {
        int cur = max(max_edge[i],  last_edge[i]);
        if (cur < min_res) {
            min_res = cur;
            ans = i;
        }
    }

    return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 1 ms 204 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 1 ms 204 KB Output is correct
67 Correct 1 ms 204 KB Output is correct
68 Correct 29 ms 8116 KB Output is correct
69 Correct 54 ms 17560 KB Output is correct
70 Correct 1 ms 204 KB Output is correct
71 Correct 78 ms 25984 KB Output is correct
72 Correct 111 ms 33840 KB Output is correct
73 Correct 135 ms 41668 KB Output is correct
74 Correct 165 ms 49500 KB Output is correct
75 Correct 185 ms 57280 KB Output is correct
76 Correct 217 ms 65228 KB Output is correct
77 Correct 285 ms 73044 KB Output is correct
78 Correct 264 ms 80836 KB Output is correct
79 Correct 293 ms 88644 KB Output is correct
80 Correct 369 ms 96384 KB Output is correct
81 Correct 1 ms 204 KB Output is correct
82 Correct 357 ms 104232 KB Output is correct
83 Correct 378 ms 112196 KB Output is correct
84 Correct 433 ms 119980 KB Output is correct
85 Correct 423 ms 127680 KB Output is correct
86 Correct 455 ms 135400 KB Output is correct
87 Correct 524 ms 143148 KB Output is correct
88 Correct 539 ms 149108 KB Output is correct
89 Correct 549 ms 156896 KB Output is correct
90 Correct 1 ms 204 KB Output is correct
91 Correct 1 ms 204 KB Output is correct
92 Correct 1 ms 204 KB Output is correct
93 Correct 1 ms 204 KB Output is correct
94 Correct 1 ms 304 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 0 ms 204 KB Output is correct
60 Correct 1 ms 256 KB Output is correct
61 Correct 0 ms 204 KB Output is correct
62 Correct 0 ms 204 KB Output is correct
63 Correct 1 ms 204 KB Output is correct
64 Correct 1 ms 204 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 0 ms 204 KB Output is correct
67 Correct 1 ms 204 KB Output is correct
68 Correct 1 ms 204 KB Output is correct
69 Correct 1 ms 204 KB Output is correct
70 Correct 1 ms 204 KB Output is correct
71 Correct 1 ms 204 KB Output is correct
72 Correct 1 ms 204 KB Output is correct
73 Correct 1 ms 204 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 1 ms 204 KB Output is correct
76 Correct 1 ms 332 KB Output is correct
77 Correct 1 ms 332 KB Output is correct
78 Correct 1 ms 332 KB Output is correct
79 Correct 1 ms 332 KB Output is correct
80 Correct 1 ms 332 KB Output is correct
81 Correct 1 ms 204 KB Output is correct
82 Correct 1 ms 332 KB Output is correct
83 Correct 1 ms 332 KB Output is correct
84 Correct 1 ms 332 KB Output is correct
85 Correct 1 ms 332 KB Output is correct
86 Correct 1 ms 332 KB Output is correct
87 Correct 1 ms 332 KB Output is correct
88 Correct 1 ms 332 KB Output is correct
89 Correct 1 ms 332 KB Output is correct
90 Correct 1 ms 332 KB Output is correct
91 Correct 1 ms 332 KB Output is correct
92 Correct 1 ms 204 KB Output is correct
93 Correct 1 ms 332 KB Output is correct
94 Correct 1 ms 332 KB Output is correct
95 Correct 1 ms 460 KB Output is correct
96 Correct 1 ms 204 KB Output is correct
97 Correct 0 ms 204 KB Output is correct
98 Correct 1 ms 204 KB Output is correct
99 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 1 ms 204 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 1 ms 204 KB Output is correct
67 Correct 1 ms 204 KB Output is correct
68 Correct 29 ms 8116 KB Output is correct
69 Correct 54 ms 17560 KB Output is correct
70 Correct 1 ms 204 KB Output is correct
71 Correct 78 ms 25984 KB Output is correct
72 Correct 111 ms 33840 KB Output is correct
73 Correct 135 ms 41668 KB Output is correct
74 Correct 165 ms 49500 KB Output is correct
75 Correct 185 ms 57280 KB Output is correct
76 Correct 217 ms 65228 KB Output is correct
77 Correct 285 ms 73044 KB Output is correct
78 Correct 264 ms 80836 KB Output is correct
79 Correct 293 ms 88644 KB Output is correct
80 Correct 369 ms 96384 KB Output is correct
81 Correct 1 ms 204 KB Output is correct
82 Correct 357 ms 104232 KB Output is correct
83 Correct 378 ms 112196 KB Output is correct
84 Correct 433 ms 119980 KB Output is correct
85 Correct 423 ms 127680 KB Output is correct
86 Correct 455 ms 135400 KB Output is correct
87 Correct 524 ms 143148 KB Output is correct
88 Correct 539 ms 149108 KB Output is correct
89 Correct 549 ms 156896 KB Output is correct
90 Correct 1 ms 204 KB Output is correct
91 Correct 1 ms 204 KB Output is correct
92 Correct 1 ms 204 KB Output is correct
93 Correct 1 ms 204 KB Output is correct
94 Correct 1 ms 304 KB Output is correct
95 Correct 1 ms 204 KB Output is correct
96 Correct 1 ms 204 KB Output is correct
97 Correct 1 ms 204 KB Output is correct
98 Correct 1 ms 204 KB Output is correct
99 Correct 1 ms 204 KB Output is correct
100 Correct 1 ms 204 KB Output is correct
101 Correct 1 ms 204 KB Output is correct
102 Correct 1 ms 204 KB Output is correct
103 Correct 1 ms 204 KB Output is correct
104 Correct 1 ms 204 KB Output is correct
105 Correct 1 ms 204 KB Output is correct
106 Correct 0 ms 204 KB Output is correct
107 Correct 1 ms 256 KB Output is correct
108 Correct 0 ms 204 KB Output is correct
109 Correct 0 ms 204 KB Output is correct
110 Correct 1 ms 204 KB Output is correct
111 Correct 1 ms 204 KB Output is correct
112 Correct 1 ms 204 KB Output is correct
113 Correct 0 ms 204 KB Output is correct
114 Correct 1 ms 204 KB Output is correct
115 Correct 1 ms 204 KB Output is correct
116 Correct 1 ms 204 KB Output is correct
117 Correct 1 ms 204 KB Output is correct
118 Correct 1 ms 204 KB Output is correct
119 Correct 1 ms 204 KB Output is correct
120 Correct 1 ms 204 KB Output is correct
121 Correct 1 ms 332 KB Output is correct
122 Correct 1 ms 204 KB Output is correct
123 Correct 1 ms 332 KB Output is correct
124 Correct 1 ms 332 KB Output is correct
125 Correct 1 ms 332 KB Output is correct
126 Correct 1 ms 332 KB Output is correct
127 Correct 1 ms 332 KB Output is correct
128 Correct 1 ms 204 KB Output is correct
129 Correct 1 ms 332 KB Output is correct
130 Correct 1 ms 332 KB Output is correct
131 Correct 1 ms 332 KB Output is correct
132 Correct 1 ms 332 KB Output is correct
133 Correct 1 ms 332 KB Output is correct
134 Correct 1 ms 332 KB Output is correct
135 Correct 1 ms 332 KB Output is correct
136 Correct 1 ms 332 KB Output is correct
137 Correct 1 ms 332 KB Output is correct
138 Correct 1 ms 332 KB Output is correct
139 Correct 1 ms 204 KB Output is correct
140 Correct 1 ms 332 KB Output is correct
141 Correct 1 ms 332 KB Output is correct
142 Correct 1 ms 460 KB Output is correct
143 Correct 1 ms 204 KB Output is correct
144 Correct 0 ms 204 KB Output is correct
145 Correct 1 ms 204 KB Output is correct
146 Correct 1 ms 204 KB Output is correct
147 Correct 1 ms 204 KB Output is correct
148 Correct 1 ms 332 KB Output is correct
149 Correct 1 ms 204 KB Output is correct
150 Correct 1 ms 204 KB Output is correct
151 Correct 1 ms 204 KB Output is correct
152 Correct 1 ms 204 KB Output is correct
153 Correct 1 ms 204 KB Output is correct
154 Correct 1 ms 204 KB Output is correct
155 Correct 1 ms 204 KB Output is correct
156 Correct 1 ms 204 KB Output is correct
157 Correct 1 ms 204 KB Output is correct
158 Correct 1 ms 300 KB Output is correct
159 Correct 1 ms 204 KB Output is correct
160 Correct 1 ms 300 KB Output is correct
161 Correct 1 ms 204 KB Output is correct
162 Correct 1 ms 296 KB Output is correct
163 Correct 1 ms 204 KB Output is correct
164 Correct 1 ms 204 KB Output is correct
165 Correct 1 ms 204 KB Output is correct
166 Correct 1 ms 204 KB Output is correct
167 Correct 1 ms 204 KB Output is correct
168 Correct 1 ms 204 KB Output is correct
169 Correct 1 ms 204 KB Output is correct
170 Correct 1 ms 204 KB Output is correct
171 Correct 30 ms 5104 KB Output is correct
172 Correct 125 ms 9788 KB Output is correct
173 Correct 166 ms 13764 KB Output is correct
174 Correct 202 ms 17752 KB Output is correct
175 Correct 290 ms 21572 KB Output is correct
176 Correct 398 ms 25544 KB Output is correct
177 Correct 457 ms 29508 KB Output is correct
178 Correct 540 ms 33452 KB Output is correct
179 Correct 589 ms 37464 KB Output is correct
180 Correct 1 ms 204 KB Output is correct
181 Correct 753 ms 41344 KB Output is correct
182 Correct 819 ms 45248 KB Output is correct
183 Correct 841 ms 49236 KB Output is correct
184 Correct 948 ms 53212 KB Output is correct
185 Correct 1044 ms 57180 KB Output is correct
186 Correct 1109 ms 61048 KB Output is correct
187 Correct 1159 ms 64732 KB Output is correct
188 Correct 1324 ms 68880 KB Output is correct
189 Correct 1326 ms 72320 KB Output is correct
190 Correct 1439 ms 75260 KB Output is correct
191 Correct 1 ms 204 KB Output is correct
192 Correct 1556 ms 79028 KB Output is correct
193 Correct 269 ms 79616 KB Output is correct
194 Correct 526 ms 157152 KB Output is correct
195 Correct 1 ms 204 KB Output is correct
196 Correct 1 ms 204 KB Output is correct
197 Correct 1 ms 204 KB Output is correct
198 Correct 1 ms 204 KB Output is correct