#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
const int MAXN = 1e5 + 5;
int n, k, rj, arr[MAXN];
vector <int> v[MAXN];
int rek(int x, int p) {
vector <int> r;
for (auto e : v[x]) {
if (e == p) continue;
r.push_back(rek(e, x));
}
// cout << "ispis: " << x << endl;
sort(r.begin(), r.end());
int zb = arr[x], y = 0;
for (int i = 0; i < r.size(); i++) {
// cout << r[i] << " ";
if (zb + r[i] > k) break;
zb += r[i]; y = i + 1;
// cout << ".";
}
// cout << endl;
// cout << zb << " " << r.size() << " " << y << endl;
rj += (r.size() - y);
return zb;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int a, b;
cin >> n >> k;
for (int i = 1; i <= n; i++) {
cin >> arr[i];
}
for (int i = 0; i < n - 1; i++) {
cin >> a >> b;
v[a].push_back(b);
v[b].push_back(a);
}
rj = 0;
rek(1, 1);
cout << rj << "\n";
return 0;
}
Compilation message
paprike.cpp: In function 'int rek(int, int)':
paprike.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for (int i = 0; i < r.size(); i++) {
| ~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2816 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2812 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2808 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2808 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2652 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
36 ms |
19032 KB |
Output is correct |
| 2 |
Correct |
36 ms |
19028 KB |
Output is correct |
| 3 |
Correct |
36 ms |
19284 KB |
Output is correct |
| 4 |
Correct |
34 ms |
19076 KB |
Output is correct |
| 5 |
Correct |
41 ms |
18992 KB |
Output is correct |
| 6 |
Correct |
36 ms |
19036 KB |
Output is correct |
| 7 |
Correct |
34 ms |
19028 KB |
Output is correct |
| 8 |
Correct |
33 ms |
18552 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2816 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2812 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2808 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2808 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2904 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 27 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 34 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 35 |
Correct |
1 ms |
2656 KB |
Output is correct |
| 36 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2652 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2816 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2812 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2808 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2808 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 22 |
Correct |
36 ms |
19032 KB |
Output is correct |
| 23 |
Correct |
36 ms |
19028 KB |
Output is correct |
| 24 |
Correct |
36 ms |
19284 KB |
Output is correct |
| 25 |
Correct |
34 ms |
19076 KB |
Output is correct |
| 26 |
Correct |
41 ms |
18992 KB |
Output is correct |
| 27 |
Correct |
36 ms |
19036 KB |
Output is correct |
| 28 |
Correct |
34 ms |
19028 KB |
Output is correct |
| 29 |
Correct |
33 ms |
18552 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2904 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 34 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 35 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 36 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 37 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 39 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 40 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 41 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 42 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 43 |
Correct |
1 ms |
2656 KB |
Output is correct |
| 44 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 45 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 46 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 47 |
Correct |
34 ms |
12068 KB |
Output is correct |
| 48 |
Correct |
33 ms |
10324 KB |
Output is correct |
| 49 |
Correct |
33 ms |
9812 KB |
Output is correct |
| 50 |
Correct |
32 ms |
9376 KB |
Output is correct |
| 51 |
Correct |
34 ms |
8276 KB |
Output is correct |
| 52 |
Correct |
34 ms |
8476 KB |
Output is correct |
| 53 |
Correct |
32 ms |
8280 KB |
Output is correct |
| 54 |
Correct |
45 ms |
8160 KB |
Output is correct |
| 55 |
Correct |
32 ms |
7760 KB |
Output is correct |
| 56 |
Correct |
31 ms |
7760 KB |
Output is correct |
| 57 |
Correct |
25 ms |
8904 KB |
Output is correct |
