oj.uz

답안 #698303

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
698303 2023-02-13T05:39:16 Z europium Traffic (IOI10_traffic) C++17
100 / 100
 890 ms 155176 KB 
#include "traffic.h"
#include <stdio.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <numeric>
#include <cmath>
#include <iterator>
#include <set>
#include <map>
#include <math.h>
#include <iomanip>
#include <unordered_set>
#include <queue>
#include <climits>
using namespace std;

vector<vector<int>> adj;
vector<int> sub, par;

void dfs(int p, int u){
    par[u] = p;

    for (auto v : adj[u]){
        if (v != p){
            dfs(u, v);
            sub[u] += sub[v];
        }
    }
}

int LocateCentre(int n, int pp[], int s[], int d[]) {
    adj.resize(n);
    sub.resize(n);
    par.resize(n);

    int sum = 0;

    for (int i = 0; i < n; i++){
        sum += pp[i];
        sub[i] = pp[i];
    }

    for (int i = 0; i < n - 1; i++){
        int u = s[i], v = d[i];

        adj[u].push_back(v);
        adj[v].push_back(u);
    }

    dfs(-1, 0);

    int mx = INT_MAX, ans;

    for (int u = 0; u < n; u++){
        int curr_mx = 0;

        for (auto v : adj[u]){
            if (v == par[u]) curr_mx = max(curr_mx, sum - sub[u]);
            else curr_mx = max(curr_mx, sub[v]);
        }

        if (curr_mx < mx){
            mx = curr_mx;
            ans = u;
        }
    }

    return ans;
}

Compilation message

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:70:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   70 |     return ans;
      |            ^~~

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 316 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 308 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 448 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 316 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 308 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 448 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 308 KB Output is correct
54 Correct 0 ms 224 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 0 ms 308 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 19 ms 7948 KB Output is correct
69 Correct 38 ms 15680 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 58 ms 23376 KB Output is correct
72 Correct 77 ms 31120 KB Output is correct
73 Correct 94 ms 38900 KB Output is correct
74 Correct 112 ms 46800 KB Output is correct
75 Correct 133 ms 54416 KB Output is correct
76 Correct 153 ms 62180 KB Output is correct
77 Correct 170 ms 69972 KB Output is correct
78 Correct 189 ms 77652 KB Output is correct
79 Correct 204 ms 85424 KB Output is correct
80 Correct 224 ms 93212 KB Output is correct
81 Correct 0 ms 212 KB Output is correct
82 Correct 245 ms 100976 KB Output is correct
83 Correct 269 ms 108744 KB Output is correct
84 Correct 291 ms 116396 KB Output is correct
85 Correct 303 ms 124212 KB Output is correct
86 Correct 322 ms 131872 KB Output is correct
87 Correct 345 ms 139612 KB Output is correct
88 Correct 356 ms 147436 KB Output is correct
89 Correct 379 ms 155176 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 1 ms 312 KB Output is correct
92 Correct 0 ms 312 KB Output is correct
93 Correct 1 ms 212 KB Output is correct
94 Correct 1 ms 212 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 316 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 308 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 448 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 316 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 312 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 1 ms 312 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 0 ms 316 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 0 ms 316 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 0 ms 340 KB Output is correct
73 Correct 0 ms 340 KB Output is correct
74 Correct 0 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 0 ms 340 KB Output is correct
77 Correct 1 ms 308 KB Output is correct
78 Correct 1 ms 340 KB Output is correct
79 Correct 1 ms 316 KB Output is correct
80 Correct 1 ms 340 KB Output is correct
81 Correct 0 ms 212 KB Output is correct
82 Correct 1 ms 340 KB Output is correct
83 Correct 1 ms 340 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 340 KB Output is correct
92 Correct 1 ms 312 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 1 ms 468 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 1 ms 316 KB Output is correct
98 Correct 1 ms 312 KB Output is correct
99 Correct 0 ms 212 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 308 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 316 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 308 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 448 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 308 KB Output is correct
54 Correct 0 ms 224 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 0 ms 308 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 19 ms 7948 KB Output is correct
69 Correct 38 ms 15680 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 58 ms 23376 KB Output is correct
72 Correct 77 ms 31120 KB Output is correct
73 Correct 94 ms 38900 KB Output is correct
74 Correct 112 ms 46800 KB Output is correct
75 Correct 133 ms 54416 KB Output is correct
76 Correct 153 ms 62180 KB Output is correct
77 Correct 170 ms 69972 KB Output is correct
78 Correct 189 ms 77652 KB Output is correct
79 Correct 204 ms 85424 KB Output is correct
80 Correct 224 ms 93212 KB Output is correct
81 Correct 0 ms 212 KB Output is correct
82 Correct 245 ms 100976 KB Output is correct
83 Correct 269 ms 108744 KB Output is correct
84 Correct 291 ms 116396 KB Output is correct
85 Correct 303 ms 124212 KB Output is correct
86 Correct 322 ms 131872 KB Output is correct
87 Correct 345 ms 139612 KB Output is correct
88 Correct 356 ms 147436 KB Output is correct
89 Correct 379 ms 155176 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 1 ms 312 KB Output is correct
92 Correct 0 ms 312 KB Output is correct
93 Correct 1 ms 212 KB Output is correct
94 Correct 1 ms 212 KB Output is correct
95 Correct 0 ms 212 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 1 ms 212 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 1 ms 316 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 0 ms 212 KB Output is correct
102 Correct 0 ms 312 KB Output is correct
103 Correct 0 ms 212 KB Output is correct
104 Correct 0 ms 212 KB Output is correct
105 Correct 1 ms 212 KB Output is correct
106 Correct 0 ms 212 KB Output is correct
107 Correct 0 ms 212 KB Output is correct
108 Correct 1 ms 312 KB Output is correct
109 Correct 1 ms 212 KB Output is correct
110 Correct 0 ms 316 KB Output is correct
111 Correct 0 ms 212 KB Output is correct
112 Correct 1 ms 212 KB Output is correct
113 Correct 1 ms 212 KB Output is correct
114 Correct 0 ms 212 KB Output is correct
115 Correct 0 ms 316 KB Output is correct
116 Correct 1 ms 212 KB Output is correct
117 Correct 0 ms 212 KB Output is correct
118 Correct 0 ms 212 KB Output is correct
119 Correct 0 ms 340 KB Output is correct
120 Correct 0 ms 340 KB Output is correct
121 Correct 0 ms 340 KB Output is correct
122 Correct 1 ms 340 KB Output is correct
123 Correct 0 ms 340 KB Output is correct
124 Correct 1 ms 308 KB Output is correct
125 Correct 1 ms 340 KB Output is correct
126 Correct 1 ms 316 KB Output is correct
127 Correct 1 ms 340 KB Output is correct
128 Correct 0 ms 212 KB Output is correct
129 Correct 1 ms 340 KB Output is correct
130 Correct 1 ms 340 KB Output is correct
131 Correct 1 ms 340 KB Output is correct
132 Correct 1 ms 340 KB Output is correct
133 Correct 1 ms 340 KB Output is correct
134 Correct 1 ms 340 KB Output is correct
135 Correct 1 ms 340 KB Output is correct
136 Correct 1 ms 340 KB Output is correct
137 Correct 1 ms 340 KB Output is correct
138 Correct 1 ms 340 KB Output is correct
139 Correct 1 ms 312 KB Output is correct
140 Correct 1 ms 340 KB Output is correct
141 Correct 1 ms 340 KB Output is correct
142 Correct 1 ms 468 KB Output is correct
143 Correct 1 ms 212 KB Output is correct
144 Correct 1 ms 316 KB Output is correct
145 Correct 1 ms 312 KB Output is correct
146 Correct 0 ms 212 KB Output is correct
147 Correct 1 ms 316 KB Output is correct
148 Correct 1 ms 212 KB Output is correct
149 Correct 0 ms 212 KB Output is correct
150 Correct 0 ms 212 KB Output is correct
151 Correct 0 ms 212 KB Output is correct
152 Correct 1 ms 212 KB Output is correct
153 Correct 1 ms 212 KB Output is correct
154 Correct 1 ms 212 KB Output is correct
155 Correct 1 ms 312 KB Output is correct
156 Correct 0 ms 212 KB Output is correct
157 Correct 0 ms 212 KB Output is correct
158 Correct 0 ms 212 KB Output is correct
159 Correct 1 ms 212 KB Output is correct
160 Correct 0 ms 308 KB Output is correct
161 Correct 0 ms 212 KB Output is correct
162 Correct 0 ms 212 KB Output is correct
163 Correct 1 ms 212 KB Output is correct
164 Correct 0 ms 212 KB Output is correct
165 Correct 1 ms 212 KB Output is correct
166 Correct 1 ms 212 KB Output is correct
167 Correct 1 ms 212 KB Output is correct
168 Correct 0 ms 212 KB Output is correct
169 Correct 0 ms 212 KB Output is correct
170 Correct 0 ms 212 KB Output is correct
171 Correct 22 ms 4932 KB Output is correct
172 Correct 52 ms 9460 KB Output is correct
173 Correct 82 ms 14124 KB Output is correct
174 Correct 132 ms 18820 KB Output is correct
175 Correct 188 ms 23428 KB Output is correct
176 Correct 226 ms 28032 KB Output is correct
177 Correct 282 ms 32716 KB Output is correct
178 Correct 324 ms 37492 KB Output is correct
179 Correct 363 ms 42060 KB Output is correct
180 Correct 0 ms 212 KB Output is correct
181 Correct 414 ms 46788 KB Output is correct
182 Correct 458 ms 51312 KB Output is correct
183 Correct 510 ms 56080 KB Output is correct
184 Correct 563 ms 60712 KB Output is correct
185 Correct 609 ms 65256 KB Output is correct
186 Correct 656 ms 69860 KB Output is correct
187 Correct 702 ms 74544 KB Output is correct
188 Correct 756 ms 79096 KB Output is correct
189 Correct 791 ms 83660 KB Output is correct
190 Correct 838 ms 88456 KB Output is correct
191 Correct 1 ms 212 KB Output is correct
192 Correct 890 ms 92836 KB Output is correct
193 Correct 184 ms 76404 KB Output is correct
194 Correct 377 ms 152704 KB Output is correct
195 Correct 0 ms 212 KB Output is correct
196 Correct 0 ms 212 KB Output is correct
197 Correct 1 ms 212 KB Output is correct
198 Correct 0 ms 308 KB Output is correct