Submission #385002

# Submission time Handle Problem Language Result Execution time Memory
385002 2021-04-02T21:47:55 Z ritul_kr_singh Traffic (IOI10_traffic) C++17
100 / 100
1111 ms 170732 KB
#include <bits/stdc++.h>
// #include "traffic.h"
using namespace std;

const int MAXN = 1e6;
vector<vector<int>> g;
int sub[MAXN], m[MAXN]={}, sum = 0;
pair<int, int> ans = {(int)1e18, -1};

int dfs0(int u, int par){
	for(int v : g[u]) if(v != par){
			sub[u] += dfs0(v, u);
			m[u] = max(m[u], sub[v]);
	}
	return sub[u];
}

int LocateCentre(int n, int pop[], int S[], int D[]){
	for(int i=0; i<n; ++i) sum += (sub[i] = pop[i]);
	g.resize(n);
	for(int i=0; i<n-1; ++i){
		g[S[i]].push_back(D[i]);
		g[D[i]].push_back(S[i]);
	}
	dfs0(0, 0);
	for(int u=0; u<n; ++u){
		m[u] = max(m[u], sum - sub[u]);
		ans = min(ans, {m[u], u});
	}
	return ans.second;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 2 ms 492 KB Output is correct
38 Correct 2 ms 524 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 2 ms 492 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 2 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 2 ms 492 KB Output is correct
38 Correct 2 ms 524 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 2 ms 492 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 2 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 492 KB Output is correct
64 Correct 2 ms 364 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 1 ms 364 KB Output is correct
68 Correct 26 ms 8812 KB Output is correct
69 Correct 52 ms 17260 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 76 ms 25836 KB Output is correct
72 Correct 103 ms 34284 KB Output is correct
73 Correct 128 ms 42860 KB Output is correct
74 Correct 151 ms 51436 KB Output is correct
75 Correct 187 ms 60140 KB Output is correct
76 Correct 212 ms 68460 KB Output is correct
77 Correct 232 ms 77036 KB Output is correct
78 Correct 254 ms 85712 KB Output is correct
79 Correct 275 ms 94060 KB Output is correct
80 Correct 305 ms 102636 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 332 ms 111212 KB Output is correct
83 Correct 360 ms 119788 KB Output is correct
84 Correct 375 ms 128236 KB Output is correct
85 Correct 399 ms 136836 KB Output is correct
86 Correct 432 ms 145364 KB Output is correct
87 Correct 463 ms 153836 KB Output is correct
88 Correct 497 ms 162360 KB Output is correct
89 Correct 512 ms 170732 KB Output is correct
90 Correct 1 ms 364 KB Output is correct
91 Correct 1 ms 364 KB Output is correct
92 Correct 1 ms 364 KB Output is correct
93 Correct 1 ms 364 KB Output is correct
94 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 2 ms 492 KB Output is correct
38 Correct 2 ms 524 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 2 ms 492 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 2 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 2 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 1 ms 364 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 1 ms 364 KB Output is correct
68 Correct 1 ms 364 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 1 ms 364 KB Output is correct
72 Correct 1 ms 364 KB Output is correct
73 Correct 1 ms 364 KB Output is correct
74 Correct 2 ms 364 KB Output is correct
75 Correct 1 ms 364 KB Output is correct
76 Correct 2 ms 364 KB Output is correct
77 Correct 1 ms 364 KB Output is correct
78 Correct 1 ms 364 KB Output is correct
79 Correct 2 ms 364 KB Output is correct
80 Correct 1 ms 364 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 1 ms 364 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 2 ms 384 KB Output is correct
85 Correct 1 ms 364 KB Output is correct
86 Correct 1 ms 364 KB Output is correct
87 Correct 1 ms 364 KB Output is correct
88 Correct 2 ms 364 KB Output is correct
89 Correct 1 ms 492 KB Output is correct
90 Correct 2 ms 492 KB Output is correct
91 Correct 2 ms 492 KB Output is correct
92 Correct 1 ms 364 KB Output is correct
93 Correct 2 ms 492 KB Output is correct
94 Correct 1 ms 512 KB Output is correct
95 Correct 2 ms 492 KB Output is correct
96 Correct 1 ms 364 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 2 ms 492 KB Output is correct
38 Correct 2 ms 524 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 2 ms 492 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 2 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 492 KB Output is correct
64 Correct 2 ms 364 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 1 ms 364 KB Output is correct
68 Correct 26 ms 8812 KB Output is correct
69 Correct 52 ms 17260 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 76 ms 25836 KB Output is correct
72 Correct 103 ms 34284 KB Output is correct
73 Correct 128 ms 42860 KB Output is correct
74 Correct 151 ms 51436 KB Output is correct
75 Correct 187 ms 60140 KB Output is correct
76 Correct 212 ms 68460 KB Output is correct
77 Correct 232 ms 77036 KB Output is correct
78 Correct 254 ms 85712 KB Output is correct
79 Correct 275 ms 94060 KB Output is correct
80 Correct 305 ms 102636 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 332 ms 111212 KB Output is correct
83 Correct 360 ms 119788 KB Output is correct
84 Correct 375 ms 128236 KB Output is correct
85 Correct 399 ms 136836 KB Output is correct
86 Correct 432 ms 145364 KB Output is correct
87 Correct 463 ms 153836 KB Output is correct
88 Correct 497 ms 162360 KB Output is correct
89 Correct 512 ms 170732 KB Output is correct
90 Correct 1 ms 364 KB Output is correct
91 Correct 1 ms 364 KB Output is correct
92 Correct 1 ms 364 KB Output is correct
93 Correct 1 ms 364 KB Output is correct
94 Correct 1 ms 364 KB Output is correct
95 Correct 1 ms 364 KB Output is correct
96 Correct 1 ms 512 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct
100 Correct 1 ms 364 KB Output is correct
101 Correct 1 ms 364 KB Output is correct
102 Correct 1 ms 364 KB Output is correct
103 Correct 1 ms 364 KB Output is correct
104 Correct 1 ms 364 KB Output is correct
105 Correct 1 ms 364 KB Output is correct
106 Correct 1 ms 364 KB Output is correct
107 Correct 1 ms 364 KB Output is correct
108 Correct 2 ms 364 KB Output is correct
109 Correct 1 ms 364 KB Output is correct
110 Correct 1 ms 364 KB Output is correct
111 Correct 1 ms 364 KB Output is correct
112 Correct 1 ms 364 KB Output is correct
113 Correct 1 ms 364 KB Output is correct
114 Correct 1 ms 364 KB Output is correct
115 Correct 1 ms 364 KB Output is correct
116 Correct 1 ms 364 KB Output is correct
117 Correct 1 ms 364 KB Output is correct
118 Correct 1 ms 364 KB Output is correct
119 Correct 1 ms 364 KB Output is correct
120 Correct 1 ms 364 KB Output is correct
121 Correct 2 ms 364 KB Output is correct
122 Correct 1 ms 364 KB Output is correct
123 Correct 2 ms 364 KB Output is correct
124 Correct 1 ms 364 KB Output is correct
125 Correct 1 ms 364 KB Output is correct
126 Correct 2 ms 364 KB Output is correct
127 Correct 1 ms 364 KB Output is correct
128 Correct 1 ms 364 KB Output is correct
129 Correct 1 ms 364 KB Output is correct
130 Correct 1 ms 364 KB Output is correct
131 Correct 2 ms 384 KB Output is correct
132 Correct 1 ms 364 KB Output is correct
133 Correct 1 ms 364 KB Output is correct
134 Correct 1 ms 364 KB Output is correct
135 Correct 2 ms 364 KB Output is correct
136 Correct 1 ms 492 KB Output is correct
137 Correct 2 ms 492 KB Output is correct
138 Correct 2 ms 492 KB Output is correct
139 Correct 1 ms 364 KB Output is correct
140 Correct 2 ms 492 KB Output is correct
141 Correct 1 ms 512 KB Output is correct
142 Correct 2 ms 492 KB Output is correct
143 Correct 1 ms 364 KB Output is correct
144 Correct 1 ms 364 KB Output is correct
145 Correct 1 ms 364 KB Output is correct
146 Correct 1 ms 364 KB Output is correct
147 Correct 1 ms 364 KB Output is correct
148 Correct 1 ms 364 KB Output is correct
149 Correct 1 ms 364 KB Output is correct
150 Correct 1 ms 364 KB Output is correct
151 Correct 1 ms 364 KB Output is correct
152 Correct 1 ms 364 KB Output is correct
153 Correct 1 ms 364 KB Output is correct
154 Correct 2 ms 364 KB Output is correct
155 Correct 1 ms 364 KB Output is correct
156 Correct 1 ms 364 KB Output is correct
157 Correct 1 ms 364 KB Output is correct
158 Correct 2 ms 364 KB Output is correct
159 Correct 2 ms 364 KB Output is correct
160 Correct 1 ms 364 KB Output is correct
161 Correct 1 ms 364 KB Output is correct
162 Correct 1 ms 364 KB Output is correct
163 Correct 1 ms 364 KB Output is correct
164 Correct 1 ms 364 KB Output is correct
165 Correct 1 ms 364 KB Output is correct
166 Correct 1 ms 364 KB Output is correct
167 Correct 1 ms 364 KB Output is correct
168 Correct 1 ms 364 KB Output is correct
169 Correct 1 ms 364 KB Output is correct
170 Correct 1 ms 364 KB Output is correct
171 Correct 28 ms 4972 KB Output is correct
172 Correct 68 ms 9580 KB Output is correct
173 Correct 126 ms 14344 KB Output is correct
174 Correct 181 ms 18796 KB Output is correct
175 Correct 262 ms 23532 KB Output is correct
176 Correct 283 ms 28268 KB Output is correct
177 Correct 336 ms 33004 KB Output is correct
178 Correct 412 ms 37516 KB Output is correct
179 Correct 497 ms 42348 KB Output is correct
180 Correct 1 ms 364 KB Output is correct
181 Correct 546 ms 46868 KB Output is correct
182 Correct 578 ms 51284 KB Output is correct
183 Correct 648 ms 56252 KB Output is correct
184 Correct 744 ms 60940 KB Output is correct
185 Correct 757 ms 65260 KB Output is correct
186 Correct 827 ms 70124 KB Output is correct
187 Correct 865 ms 74604 KB Output is correct
188 Correct 960 ms 79340 KB Output is correct
189 Correct 1052 ms 83780 KB Output is correct
190 Correct 1111 ms 88444 KB Output is correct
191 Correct 1 ms 364 KB Output is correct
192 Correct 1109 ms 93164 KB Output is correct
193 Correct 256 ms 84360 KB Output is correct
194 Correct 480 ms 168456 KB Output is correct
195 Correct 1 ms 364 KB Output is correct
196 Correct 1 ms 364 KB Output is correct
197 Correct 1 ms 364 KB Output is correct
198 Correct 1 ms 364 KB Output is correct