oj.uz

Submission #508818

# Submission time Handle Problem Language Result Execution time Memory
508818 2022-01-13T20:47:03 Z tabr Traffic (IOI10_traffic) C++17
100 / 100
 1164 ms 194204 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int LocateCentre(int n, int* a, int* e1, int* e2) {
    vector<vector<int>> g(n);
    for (int i = 0; i < n - 1; i++) {
        g[e1[i]].emplace_back(e2[i]);
        g[e2[i]].emplace_back(e1[i]);
    }
    function<void(int, int)> dfs = [&](int v, int p) {
        for (int to : g[v]) {
            if (to == p) {
                continue;
            }
            dfs(to, v);
            a[v] += a[to];
        }
    };
    dfs(0, -1);
    int ans = -1;
    int sum = (int) 2e9 + 10;
    function<void(int, int)> reroot = [&](int v, int p) {
        int mx = -1;
        for (int to : g[v]) {
            mx = max(mx, a[to]);
        }
        if (mx < sum) {
            sum = mx;
            ans = v;
        }
        for (int to : g[v]) {
            if (to == p) {
                continue;
            }
            int a_v = a[v];
            int a_to = a[to];
            a[v] = a_v - a_to;
            a[to] = a_v;
            reroot(to, v);
            a[v] = a_v;
            a[to] = a_to;
        }
    };
    reroot(0, -1);
    return ans;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 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 0 ms 204 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 296 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 284 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 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 460 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 440 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 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 0 ms 204 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 296 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 284 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 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 460 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 440 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 0 ms 300 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 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 0 ms 300 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 300 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 0 ms 300 KB Output is correct
63 Correct 0 ms 300 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 0 ms 292 KB Output is correct
66 Correct 0 ms 300 KB Output is correct
67 Correct 0 ms 204 KB Output is correct
68 Correct 23 ms 10032 KB Output is correct
69 Correct 42 ms 19488 KB Output is correct
70 Correct 0 ms 204 KB Output is correct
71 Correct 65 ms 29296 KB Output is correct
72 Correct 85 ms 39068 KB Output is correct
73 Correct 106 ms 48696 KB Output is correct
74 Correct 127 ms 58348 KB Output is correct
75 Correct 145 ms 68148 KB Output is correct
76 Correct 168 ms 77940 KB Output is correct
77 Correct 193 ms 87476 KB Output is correct
78 Correct 216 ms 97252 KB Output is correct
79 Correct 234 ms 106884 KB Output is correct
80 Correct 254 ms 116676 KB Output is correct
81 Correct 0 ms 204 KB Output is correct
82 Correct 278 ms 126284 KB Output is correct
83 Correct 312 ms 136068 KB Output is correct
84 Correct 321 ms 145744 KB Output is correct
85 Correct 344 ms 155472 KB Output is correct
86 Correct 366 ms 165228 KB Output is correct
87 Correct 387 ms 174728 KB Output is correct
88 Correct 421 ms 184424 KB Output is correct
89 Correct 439 ms 194204 KB Output is correct
90 Correct 0 ms 204 KB Output is correct
91 Correct 0 ms 304 KB Output is correct
92 Correct 0 ms 204 KB Output is correct
93 Correct 0 ms 204 KB Output is correct
94 Correct 0 ms 284 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 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 0 ms 204 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 296 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 284 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 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 460 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 440 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 1 ms 280 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 1 ms 300 KB Output is correct
56 Correct 0 ms 300 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 204 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 0 ms 204 KB Output is correct
62 Correct 0 ms 296 KB Output is correct
63 Correct 0 ms 204 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 0 ms 300 KB Output is correct
66 Correct 0 ms 204 KB Output is correct
67 Correct 0 ms 204 KB Output is correct
68 Correct 0 ms 204 KB Output is correct
69 Correct 0 ms 204 KB Output is correct
70 Correct 0 ms 204 KB Output is correct
71 Correct 0 ms 204 KB Output is correct
72 Correct 0 ms 204 KB Output is correct
73 Correct 0 ms 332 KB Output is correct
74 Correct 0 ms 332 KB Output is correct
75 Correct 0 ms 332 KB Output is correct
76 Correct 0 ms 204 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 308 KB Output is correct
83 Correct 1 ms 332 KB Output is correct
84 Correct 1 ms 308 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 304 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 0 ms 332 KB Output is correct
95 Correct 1 ms 460 KB Output is correct
96 Correct 0 ms 204 KB Output is correct
97 Correct 0 ms 204 KB Output is correct
98 Correct 0 ms 204 KB Output is correct
99 Correct 0 ms 204 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 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 0 ms 204 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 296 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 284 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 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 460 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 440 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 0 ms 300 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 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 0 ms 300 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 300 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 0 ms 300 KB Output is correct
63 Correct 0 ms 300 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Correct 0 ms 292 KB Output is correct
66 Correct 0 ms 300 KB Output is correct
67 Correct 0 ms 204 KB Output is correct
68 Correct 23 ms 10032 KB Output is correct
69 Correct 42 ms 19488 KB Output is correct
70 Correct 0 ms 204 KB Output is correct
71 Correct 65 ms 29296 KB Output is correct
72 Correct 85 ms 39068 KB Output is correct
73 Correct 106 ms 48696 KB Output is correct
74 Correct 127 ms 58348 KB Output is correct
75 Correct 145 ms 68148 KB Output is correct
76 Correct 168 ms 77940 KB Output is correct
77 Correct 193 ms 87476 KB Output is correct
78 Correct 216 ms 97252 KB Output is correct
79 Correct 234 ms 106884 KB Output is correct
80 Correct 254 ms 116676 KB Output is correct
81 Correct 0 ms 204 KB Output is correct
82 Correct 278 ms 126284 KB Output is correct
83 Correct 312 ms 136068 KB Output is correct
84 Correct 321 ms 145744 KB Output is correct
85 Correct 344 ms 155472 KB Output is correct
86 Correct 366 ms 165228 KB Output is correct
87 Correct 387 ms 174728 KB Output is correct
88 Correct 421 ms 184424 KB Output is correct
89 Correct 439 ms 194204 KB Output is correct
90 Correct 0 ms 204 KB Output is correct
91 Correct 0 ms 304 KB Output is correct
92 Correct 0 ms 204 KB Output is correct
93 Correct 0 ms 204 KB Output is correct
94 Correct 0 ms 284 KB Output is correct
95 Correct 0 ms 204 KB Output is correct
96 Correct 0 ms 204 KB Output is correct
97 Correct 1 ms 280 KB Output is correct
98 Correct 0 ms 204 KB Output is correct
99 Correct 0 ms 204 KB Output is correct
100 Correct 0 ms 204 KB Output is correct
101 Correct 0 ms 204 KB Output is correct
102 Correct 1 ms 300 KB Output is correct
103 Correct 0 ms 300 KB Output is correct
104 Correct 1 ms 204 KB Output is correct
105 Correct 0 ms 204 KB Output is correct
106 Correct 0 ms 204 KB Output is correct
107 Correct 0 ms 204 KB Output is correct
108 Correct 0 ms 204 KB Output is correct
109 Correct 0 ms 296 KB Output is correct
110 Correct 0 ms 204 KB Output is correct
111 Correct 0 ms 204 KB Output is correct
112 Correct 0 ms 300 KB Output is correct
113 Correct 0 ms 204 KB Output is correct
114 Correct 0 ms 204 KB Output is correct
115 Correct 0 ms 204 KB Output is correct
116 Correct 0 ms 204 KB Output is correct
117 Correct 0 ms 204 KB Output is correct
118 Correct 0 ms 204 KB Output is correct
119 Correct 0 ms 204 KB Output is correct
120 Correct 0 ms 332 KB Output is correct
121 Correct 0 ms 332 KB Output is correct
122 Correct 0 ms 332 KB Output is correct
123 Correct 0 ms 204 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 308 KB Output is correct
130 Correct 1 ms 332 KB Output is correct
131 Correct 1 ms 308 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 304 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 0 ms 332 KB Output is correct
142 Correct 1 ms 460 KB Output is correct
143 Correct 0 ms 204 KB Output is correct
144 Correct 0 ms 204 KB Output is correct
145 Correct 0 ms 204 KB Output is correct
146 Correct 0 ms 204 KB Output is correct
147 Correct 1 ms 204 KB Output is correct
148 Correct 1 ms 296 KB Output is correct
149 Correct 1 ms 204 KB Output is correct
150 Correct 1 ms 204 KB Output is correct
151 Correct 0 ms 204 KB Output is correct
152 Correct 0 ms 204 KB Output is correct
153 Correct 0 ms 204 KB Output is correct
154 Correct 0 ms 300 KB Output is correct
155 Correct 0 ms 300 KB Output is correct
156 Correct 0 ms 204 KB Output is correct
157 Correct 0 ms 204 KB Output is correct
158 Correct 0 ms 204 KB Output is correct
159 Correct 0 ms 204 KB Output is correct
160 Correct 0 ms 204 KB Output is correct
161 Correct 1 ms 204 KB Output is correct
162 Correct 0 ms 204 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 0 ms 204 KB Output is correct
168 Correct 0 ms 204 KB Output is correct
169 Correct 0 ms 204 KB Output is correct
170 Correct 0 ms 204 KB Output is correct
171 Correct 25 ms 4648 KB Output is correct
172 Correct 54 ms 8656 KB Output is correct
173 Correct 94 ms 12900 KB Output is correct
174 Correct 150 ms 17276 KB Output is correct
175 Correct 219 ms 21512 KB Output is correct
176 Correct 276 ms 25828 KB Output is correct
177 Correct 336 ms 30040 KB Output is correct
178 Correct 394 ms 34380 KB Output is correct
179 Correct 465 ms 38612 KB Output is correct
180 Correct 1 ms 204 KB Output is correct
181 Correct 522 ms 42776 KB Output is correct
182 Correct 573 ms 47008 KB Output is correct
183 Correct 663 ms 51364 KB Output is correct
184 Correct 708 ms 55588 KB Output is correct
185 Correct 783 ms 59820 KB Output is correct
186 Correct 847 ms 64060 KB Output is correct
187 Correct 911 ms 68156 KB Output is correct
188 Correct 981 ms 72912 KB Output is correct
189 Correct 1091 ms 76656 KB Output is correct
190 Correct 1110 ms 80936 KB Output is correct
191 Correct 0 ms 204 KB Output is correct
192 Correct 1164 ms 85244 KB Output is correct
193 Correct 211 ms 95952 KB Output is correct
194 Correct 411 ms 191772 KB Output is correct
195 Correct 0 ms 204 KB Output is correct
196 Correct 0 ms 204 KB Output is correct
197 Correct 0 ms 204 KB Output is correct
198 Correct 0 ms 204 KB Output is correct