oj.uz

Submission #385699

# Submission time Handle Problem Language Result Execution time Memory
385699 2021-04-04T18:41:39 Z bladefan960 Traffic (IOI10_traffic) C++17
100 / 100
 1353 ms 152956 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <climits>
 
using std::cout;
using std::endl;
using std::vector;
 
vector<int> city_sub_num;
vector<int> parent;
 
int calc_sub_fans(int at, int prev, int P[], const vector<vector<int>>& neighbors) {
    city_sub_num[at] = P[at];
    parent[at] = prev;
    for (int n : neighbors[at]) {
        if (n != prev) {
            city_sub_num[at] += calc_sub_fans(n, at, P, neighbors);
        }
    }
    return city_sub_num[at];
}
 
int LocateCentre(int N, int P[], int S[], int D[]) {
    city_sub_num = vector<int>(N);
    parent = vector<int>(N);
 
    vector<vector<int>> neighbors(N);
    for (int i = 0; i < N - 1; i++) {
        neighbors[S[i]].push_back(D[i]);
        neighbors[D[i]].push_back(S[i]);
    }
    calc_sub_fans(0, 0, P, neighbors);
 
    int total_fans = 0;
    for (int i = 0; i < N; i++) {
        total_fans += P[i];
    }
 
    int min_congestion = INT_MAX;
    int best_center = -1;
    for (int i = 0; i < N; i++) {
        int this_max = total_fans - city_sub_num[i];
        for (int n : neighbors[i]) {
            if (parent[i] != n) {
                this_max = std::max(this_max, city_sub_num[n]);
            }
        }
        if (this_max < min_congestion) {
            min_congestion = this_max;
            best_center = i;
        }
    }
    return best_center;
}

Subtask #1
25.0 / 25.0

# 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 2 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 384 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 364 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 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 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 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 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 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 2 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 384 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 364 KB Output is correct
47 Correct 2 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# 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 2 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 384 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 364 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 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 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 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 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 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 2 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 384 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 364 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 2 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 2 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 2 ms 364 KB Output is correct
68 Correct 27 ms 7916 KB Output is correct
69 Correct 53 ms 15596 KB Output is correct
70 Correct 2 ms 364 KB Output is correct
71 Correct 87 ms 23276 KB Output is correct
72 Correct 149 ms 30828 KB Output is correct
73 Correct 165 ms 38564 KB Output is correct
74 Correct 170 ms 46060 KB Output is correct
75 Correct 199 ms 53756 KB Output is correct
76 Correct 223 ms 61424 KB Output is correct
77 Correct 259 ms 68972 KB Output is correct
78 Correct 282 ms 76652 KB Output is correct
79 Correct 321 ms 84456 KB Output is correct
80 Correct 350 ms 92140 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 365 ms 99692 KB Output is correct
83 Correct 396 ms 107188 KB Output is correct
84 Correct 399 ms 114896 KB Output is correct
85 Correct 426 ms 122476 KB Output is correct
86 Correct 487 ms 130028 KB Output is correct
87 Correct 506 ms 137708 KB Output is correct
88 Correct 506 ms 145360 KB Output is correct
89 Correct 579 ms 152956 KB Output is correct
90 Correct 2 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

Subtask #3
25.0 / 25.0

# 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 2 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 384 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 364 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 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 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 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 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 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 2 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 384 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 364 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 2 ms 364 KB Output is correct
56 Correct 1 ms 512 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 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 384 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 512 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 1 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 2 ms 364 KB Output is correct
78 Correct 1 ms 364 KB Output is correct
79 Correct 1 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 1 ms 364 KB Output is correct
85 Correct 1 ms 364 KB Output is correct
86 Correct 2 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 2 ms 364 KB Output is correct
90 Correct 2 ms 364 KB Output is correct
91 Correct 2 ms 364 KB Output is correct
92 Correct 1 ms 364 KB Output is correct
93 Correct 2 ms 364 KB Output is correct
94 Correct 1 ms 364 KB Output is correct
95 Correct 1 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

Subtask #4
25.0 / 25.0

# 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 2 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 384 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 364 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 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 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 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 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 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 2 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 492 KB Output is correct
43 Correct 1 ms 384 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 364 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 2 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 2 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 2 ms 364 KB Output is correct
68 Correct 27 ms 7916 KB Output is correct
69 Correct 53 ms 15596 KB Output is correct
70 Correct 2 ms 364 KB Output is correct
71 Correct 87 ms 23276 KB Output is correct
72 Correct 149 ms 30828 KB Output is correct
73 Correct 165 ms 38564 KB Output is correct
74 Correct 170 ms 46060 KB Output is correct
75 Correct 199 ms 53756 KB Output is correct
76 Correct 223 ms 61424 KB Output is correct
77 Correct 259 ms 68972 KB Output is correct
78 Correct 282 ms 76652 KB Output is correct
79 Correct 321 ms 84456 KB Output is correct
80 Correct 350 ms 92140 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 365 ms 99692 KB Output is correct
83 Correct 396 ms 107188 KB Output is correct
84 Correct 399 ms 114896 KB Output is correct
85 Correct 426 ms 122476 KB Output is correct
86 Correct 487 ms 130028 KB Output is correct
87 Correct 506 ms 137708 KB Output is correct
88 Correct 506 ms 145360 KB Output is correct
89 Correct 579 ms 152956 KB Output is correct
90 Correct 2 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 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
100 Correct 1 ms 364 KB Output is correct
101 Correct 1 ms 364 KB Output is correct
102 Correct 2 ms 364 KB Output is correct
103 Correct 1 ms 512 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 1 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 384 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 512 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 1 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 2 ms 364 KB Output is correct
125 Correct 1 ms 364 KB Output is correct
126 Correct 1 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 1 ms 364 KB Output is correct
132 Correct 1 ms 364 KB Output is correct
133 Correct 2 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 2 ms 364 KB Output is correct
137 Correct 2 ms 364 KB Output is correct
138 Correct 2 ms 364 KB Output is correct
139 Correct 1 ms 364 KB Output is correct
140 Correct 2 ms 364 KB Output is correct
141 Correct 1 ms 364 KB Output is correct
142 Correct 1 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 384 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 1 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 1 ms 364 KB Output is correct
159 Correct 1 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 31 ms 4076 KB Output is correct
172 Correct 75 ms 7788 KB Output is correct
173 Correct 135 ms 11628 KB Output is correct
174 Correct 201 ms 15340 KB Output is correct
175 Correct 253 ms 19308 KB Output is correct
176 Correct 342 ms 22892 KB Output is correct
177 Correct 404 ms 26604 KB Output is correct
178 Correct 489 ms 30316 KB Output is correct
179 Correct 559 ms 34156 KB Output is correct
180 Correct 1 ms 364 KB Output is correct
181 Correct 605 ms 37740 KB Output is correct
182 Correct 691 ms 41708 KB Output is correct
183 Correct 774 ms 45332 KB Output is correct
184 Correct 858 ms 49060 KB Output is correct
185 Correct 905 ms 52896 KB Output is correct
186 Correct 972 ms 56556 KB Output is correct
187 Correct 1043 ms 60268 KB Output is correct
188 Correct 1123 ms 64108 KB Output is correct
189 Correct 1211 ms 67684 KB Output is correct
190 Correct 1269 ms 71624 KB Output is correct
191 Correct 1 ms 364 KB Output is correct
192 Correct 1353 ms 75480 KB Output is correct
193 Correct 254 ms 76652 KB Output is correct
194 Correct 516 ms 152940 KB Output is correct
195 Correct 1 ms 364 KB Output is correct
196 Correct 2 ms 364 KB Output is correct
197 Correct 1 ms 364 KB Output is correct
198 Correct 1 ms 364 KB Output is correct