oj.uz

Submission #385683

# Submission time Handle Problem Language Result Execution time Memory
385683 2021-04-04T17:48:47 Z SansPapyrus683 Traffic (IOI10_traffic) C++17
100 / 100
 1347 ms 166124 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 1 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 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 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 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 1 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 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 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 2 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 2 ms 492 KB Output is correct
39 Correct 2 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 2 ms 380 KB Output is correct
45 Correct 2 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 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 1 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 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 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 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 1 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 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 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 2 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 2 ms 492 KB Output is correct
39 Correct 2 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 2 ms 380 KB Output is correct
45 Correct 2 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 384 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 492 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 512 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 27 ms 8812 KB Output is correct
69 Correct 54 ms 17260 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 81 ms 25836 KB Output is correct
72 Correct 129 ms 34560 KB Output is correct
73 Correct 136 ms 42860 KB Output is correct
74 Correct 160 ms 51436 KB Output is correct
75 Correct 194 ms 60012 KB Output is correct
76 Correct 212 ms 68588 KB Output is correct
77 Correct 244 ms 77164 KB Output is correct
78 Correct 273 ms 85740 KB Output is correct
79 Correct 308 ms 94060 KB Output is correct
80 Correct 389 ms 102656 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 348 ms 111212 KB Output is correct
83 Correct 393 ms 119660 KB Output is correct
84 Correct 414 ms 128236 KB Output is correct
85 Correct 454 ms 135788 KB Output is correct
86 Correct 475 ms 143212 KB Output is correct
87 Correct 537 ms 150636 KB Output is correct
88 Correct 499 ms 151788 KB Output is correct
89 Correct 529 ms 154348 KB Output is correct
90 Correct 1 ms 364 KB Output is correct
91 Correct 1 ms 364 KB Output is correct
92 Correct 3 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 1 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 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 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 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 1 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 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 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 2 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 2 ms 492 KB Output is correct
39 Correct 2 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 2 ms 380 KB Output is correct
45 Correct 2 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 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 384 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 2 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 2 ms 384 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 2 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 1 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 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 1 ms 364 KB Output is correct
87 Correct 2 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 492 KB Output is correct
94 Correct 1 ms 364 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

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 1 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 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 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 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 1 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 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 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 2 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 2 ms 492 KB Output is correct
39 Correct 2 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 2 ms 380 KB Output is correct
45 Correct 2 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 384 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 492 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 512 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 27 ms 8812 KB Output is correct
69 Correct 54 ms 17260 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 81 ms 25836 KB Output is correct
72 Correct 129 ms 34560 KB Output is correct
73 Correct 136 ms 42860 KB Output is correct
74 Correct 160 ms 51436 KB Output is correct
75 Correct 194 ms 60012 KB Output is correct
76 Correct 212 ms 68588 KB Output is correct
77 Correct 244 ms 77164 KB Output is correct
78 Correct 273 ms 85740 KB Output is correct
79 Correct 308 ms 94060 KB Output is correct
80 Correct 389 ms 102656 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 348 ms 111212 KB Output is correct
83 Correct 393 ms 119660 KB Output is correct
84 Correct 414 ms 128236 KB Output is correct
85 Correct 454 ms 135788 KB Output is correct
86 Correct 475 ms 143212 KB Output is correct
87 Correct 537 ms 150636 KB Output is correct
88 Correct 499 ms 151788 KB Output is correct
89 Correct 529 ms 154348 KB Output is correct
90 Correct 1 ms 364 KB Output is correct
91 Correct 1 ms 364 KB Output is correct
92 Correct 3 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 1 ms 364 KB Output is correct
103 Correct 1 ms 384 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 2 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 2 ms 384 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 2 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 1 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 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 1 ms 364 KB Output is correct
134 Correct 2 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 492 KB Output is correct
141 Correct 1 ms 364 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 2 ms 364 KB Output is correct
150 Correct 1 ms 364 KB Output is correct
151 Correct 1 ms 384 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 2 ms 364 KB Output is correct
168 Correct 2 ms 364 KB Output is correct
169 Correct 2 ms 492 KB Output is correct
170 Correct 1 ms 364 KB Output is correct
171 Correct 33 ms 4972 KB Output is correct
172 Correct 73 ms 9580 KB Output is correct
173 Correct 136 ms 14188 KB Output is correct
174 Correct 209 ms 18796 KB Output is correct
175 Correct 270 ms 23532 KB Output is correct
176 Correct 348 ms 28264 KB Output is correct
177 Correct 404 ms 32844 KB Output is correct
178 Correct 499 ms 37632 KB Output is correct
179 Correct 553 ms 42220 KB Output is correct
180 Correct 1 ms 364 KB Output is correct
181 Correct 630 ms 46700 KB Output is correct
182 Correct 701 ms 51324 KB Output is correct
183 Correct 772 ms 56172 KB Output is correct
184 Correct 874 ms 60908 KB Output is correct
185 Correct 901 ms 65388 KB Output is correct
186 Correct 988 ms 70252 KB Output is correct
187 Correct 1072 ms 73628 KB Output is correct
188 Correct 1151 ms 77132 KB Output is correct
189 Correct 1217 ms 80964 KB Output is correct
190 Correct 1297 ms 78008 KB Output is correct
191 Correct 1 ms 364 KB Output is correct
192 Correct 1347 ms 76652 KB Output is correct
193 Correct 256 ms 84204 KB Output is correct
194 Correct 516 ms 166124 KB Output is correct
195 Correct 2 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