#include "roads.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5 + 3;
const ll INF = 1e18;
int n;
vector<pair<int, int>> adj[N];
vector<ll> ans;
ll dp[N][2];//0 for removed edge
void solve(int u, int k, int par = -1){
ll sum = 0;
vector<ll> diff;
for(auto [to, w]: adj[u]){
if(to == par) continue;
solve(to, k, u);
if(dp[to][1] == INF){
sum += dp[to][0] + w;
continue;
}
sum += dp[to][1];
diff.push_back(dp[to][0] + w - dp[to][1]);
}
sort(diff.begin(), diff.end());
int cnt = 0, i;
for(i = 0; i < diff.size() && (diff[i] < 0 || diff.size() - i > k); ++i){
sum += diff[i];
if(sum > INF) sum = INF;
}
dp[u][0] = sum;
if(!u) return;
if(diff.size() + 1 - i > k){
if(i == diff.size()) dp[u][1] = INF;
else{
dp[u][1] = sum + diff[i];
if(dp[u][1] > INF) dp[u][1] = INF;
}
}
else dp[u][1] = sum;
}
vector<long long> minimum_closure_costs(int _n, vector<int> _u, vector<int> _v, vector<int> _w) {
n = _n;
for(int i = 0; i < n - 1; ++i){
adj[_u[i]].push_back({_v[i], _w[i]});
adj[_v[i]].push_back({_u[i], _w[i]});
}
ans.resize(n, 0);
int mx = 0;
for(int i = 0; i < n; ++i)
mx = max(mx, (int)adj[i].size());
for(int k = 0; k <= mx; ++k){
solve(0, k);
ans[k] = dp[0][0];
}
return ans;
}
Compilation message
roads.cpp: In function 'void solve(int, int, int)':
roads.cpp:32:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | for(i = 0; i < diff.size() && (diff[i] < 0 || diff.size() - i > k); ++i){
| ~~^~~~~~~~~~~~~
roads.cpp:32:67: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
32 | for(i = 0; i < diff.size() && (diff[i] < 0 || diff.size() - i > k); ++i){
| ~~~~~~~~~~~~~~~~^~~
roads.cpp:38:28: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
38 | if(diff.size() + 1 - i > k){
| ~~~~~~~~~~~~~~~~~~~~^~~
roads.cpp:39:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | if(i == diff.size()) dp[u][1] = INF;
| ~~^~~~~~~~~~~~~~
roads.cpp:31:9: warning: unused variable 'cnt' [-Wunused-variable]
31 | int cnt = 0, i;
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
200 ms |
2820 KB |
Output is correct |
3 |
Correct |
228 ms |
2840 KB |
Output is correct |
4 |
Correct |
106 ms |
2764 KB |
Output is correct |
5 |
Correct |
3 ms |
2636 KB |
Output is correct |
6 |
Correct |
4 ms |
2636 KB |
Output is correct |
7 |
Correct |
3 ms |
2636 KB |
Output is correct |
8 |
Correct |
94 ms |
2816 KB |
Output is correct |
9 |
Correct |
144 ms |
2844 KB |
Output is correct |
10 |
Correct |
3 ms |
2636 KB |
Output is correct |
11 |
Correct |
3 ms |
2636 KB |
Output is correct |
12 |
Execution timed out |
2037 ms |
9096 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
77 ms |
21452 KB |
Output is correct |
3 |
Correct |
88 ms |
25888 KB |
Output is correct |
4 |
Correct |
95 ms |
27368 KB |
Output is correct |
5 |
Correct |
90 ms |
27588 KB |
Output is correct |
6 |
Correct |
3 ms |
3020 KB |
Output is correct |
7 |
Correct |
4 ms |
3136 KB |
Output is correct |
8 |
Correct |
3 ms |
3020 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
54 ms |
16996 KB |
Output is correct |
13 |
Correct |
84 ms |
26672 KB |
Output is correct |
14 |
Correct |
2 ms |
2636 KB |
Output is correct |
15 |
Correct |
75 ms |
24256 KB |
Output is correct |
16 |
Correct |
87 ms |
26604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
3 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2688 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
3 ms |
2636 KB |
Output is correct |
14 |
Correct |
3 ms |
2636 KB |
Output is correct |
15 |
Correct |
3 ms |
2652 KB |
Output is correct |
16 |
Correct |
2 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2636 KB |
Output is correct |
18 |
Correct |
2 ms |
2648 KB |
Output is correct |
19 |
Correct |
3 ms |
2636 KB |
Output is correct |
20 |
Correct |
3 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
3 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2688 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
3 ms |
2636 KB |
Output is correct |
14 |
Correct |
3 ms |
2636 KB |
Output is correct |
15 |
Correct |
3 ms |
2652 KB |
Output is correct |
16 |
Correct |
2 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2636 KB |
Output is correct |
18 |
Correct |
2 ms |
2648 KB |
Output is correct |
19 |
Correct |
3 ms |
2636 KB |
Output is correct |
20 |
Correct |
3 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
22 |
Correct |
2 ms |
2636 KB |
Output is correct |
23 |
Correct |
3 ms |
2764 KB |
Output is correct |
24 |
Correct |
5 ms |
2764 KB |
Output is correct |
25 |
Correct |
4 ms |
2764 KB |
Output is correct |
26 |
Correct |
8 ms |
2860 KB |
Output is correct |
27 |
Correct |
33 ms |
2872 KB |
Output is correct |
28 |
Correct |
23 ms |
2864 KB |
Output is correct |
29 |
Correct |
5 ms |
2792 KB |
Output is correct |
30 |
Correct |
8 ms |
2764 KB |
Output is correct |
31 |
Correct |
9 ms |
2792 KB |
Output is correct |
32 |
Correct |
54 ms |
2856 KB |
Output is correct |
33 |
Correct |
3 ms |
3020 KB |
Output is correct |
34 |
Correct |
4 ms |
3020 KB |
Output is correct |
35 |
Correct |
4 ms |
3020 KB |
Output is correct |
36 |
Correct |
200 ms |
2840 KB |
Output is correct |
37 |
Correct |
226 ms |
2864 KB |
Output is correct |
38 |
Correct |
107 ms |
2860 KB |
Output is correct |
39 |
Correct |
2 ms |
2636 KB |
Output is correct |
40 |
Correct |
2 ms |
2648 KB |
Output is correct |
41 |
Correct |
2 ms |
2636 KB |
Output is correct |
42 |
Correct |
2 ms |
2636 KB |
Output is correct |
43 |
Correct |
2 ms |
2636 KB |
Output is correct |
44 |
Correct |
2 ms |
2636 KB |
Output is correct |
45 |
Correct |
2 ms |
2636 KB |
Output is correct |
46 |
Correct |
3 ms |
2636 KB |
Output is correct |
47 |
Correct |
2 ms |
2636 KB |
Output is correct |
48 |
Correct |
2 ms |
2648 KB |
Output is correct |
49 |
Correct |
2 ms |
2636 KB |
Output is correct |
50 |
Correct |
4 ms |
2636 KB |
Output is correct |
51 |
Correct |
3 ms |
2636 KB |
Output is correct |
52 |
Correct |
3 ms |
2636 KB |
Output is correct |
53 |
Correct |
4 ms |
2764 KB |
Output is correct |
54 |
Correct |
5 ms |
2764 KB |
Output is correct |
55 |
Correct |
26 ms |
2764 KB |
Output is correct |
56 |
Correct |
103 ms |
2832 KB |
Output is correct |
57 |
Correct |
146 ms |
2844 KB |
Output is correct |
58 |
Correct |
2 ms |
2652 KB |
Output is correct |
59 |
Correct |
2 ms |
2636 KB |
Output is correct |
60 |
Correct |
2 ms |
2636 KB |
Output is correct |
61 |
Correct |
3 ms |
2636 KB |
Output is correct |
62 |
Correct |
4 ms |
2636 KB |
Output is correct |
63 |
Correct |
2 ms |
2656 KB |
Output is correct |
64 |
Correct |
4 ms |
2796 KB |
Output is correct |
65 |
Correct |
4 ms |
2792 KB |
Output is correct |
66 |
Correct |
7 ms |
2764 KB |
Output is correct |
67 |
Correct |
53 ms |
2844 KB |
Output is correct |
68 |
Correct |
6 ms |
2764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
195 ms |
11488 KB |
Output is correct |
2 |
Correct |
249 ms |
12608 KB |
Output is correct |
3 |
Execution timed out |
2088 ms |
13124 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
195 ms |
11488 KB |
Output is correct |
2 |
Correct |
249 ms |
12608 KB |
Output is correct |
3 |
Execution timed out |
2088 ms |
13124 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
200 ms |
2820 KB |
Output is correct |
3 |
Correct |
228 ms |
2840 KB |
Output is correct |
4 |
Correct |
106 ms |
2764 KB |
Output is correct |
5 |
Correct |
3 ms |
2636 KB |
Output is correct |
6 |
Correct |
4 ms |
2636 KB |
Output is correct |
7 |
Correct |
3 ms |
2636 KB |
Output is correct |
8 |
Correct |
94 ms |
2816 KB |
Output is correct |
9 |
Correct |
144 ms |
2844 KB |
Output is correct |
10 |
Correct |
3 ms |
2636 KB |
Output is correct |
11 |
Correct |
3 ms |
2636 KB |
Output is correct |
12 |
Execution timed out |
2037 ms |
9096 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |