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Submission #861985

# Submission time Handle Problem Language Result Execution time Memory
861985 2023-10-17T10:25:03 Z Rifal Paprike (COI18_paprike) C++14
100 / 100
 44 ms 24404 KB 
#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 998244353
#define INF 900000000
//#define cin fin
//#define cout fout
//#define fi first
//#define se second
using namespace std;
//ofstream fout("intel.out");
//ifstream fin("intel.in");
long long n, k, ans = 0;
const int Max = 1e5 + 5;
vector<int> v[Max];
long long sum[Max];
void dfs(int s, int p) {
    multiset<long long> st;
    for(auto i : v[s]) {
        if(i != p) {
            dfs(i,s);
            st.insert(sum[i]);
        }
    }
    int cnt = 0;
   // cout << s << 'k' << endl;
    for(auto i : st) {
        if(sum[s]+i <= k) {
         //   cout << i << 'l' << endl;
            sum[s] += i; cnt++;
        }
        else {
            break;
        }
    }
    ans += st.size()-cnt;
}
int main()
{
    ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n; i++) cin >> sum[i];
    for(int i = 0; i < n-1; i++) {
        int a, b; cin >> a >> b;
        v[a].push_back(b);
        v[b].push_back(a);
    }

    dfs(1,0);
    cout << ans;
 return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3412 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3416 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 1 ms 3416 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 1 ms 3248 KB Output is correct
17 Correct 1 ms 3164 KB Output is correct
18 Correct 1 ms 3420 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 1 ms 3164 KB Output is correct
21 Correct 1 ms 3164 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 24244 KB Output is correct
2 Correct 39 ms 24152 KB Output is correct
3 Correct 42 ms 24300 KB Output is correct
4 Correct 39 ms 24092 KB Output is correct
5 Correct 39 ms 24060 KB Output is correct
6 Correct 37 ms 24128 KB Output is correct
7 Correct 44 ms 24404 KB Output is correct
8 Correct 36 ms 23892 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3412 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3416 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 1 ms 3416 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 1 ms 3248 KB Output is correct
17 Correct 1 ms 3164 KB Output is correct
18 Correct 1 ms 3420 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 1 ms 3164 KB Output is correct
21 Correct 1 ms 3164 KB Output is correct
22 Correct 1 ms 3420 KB Output is correct
23 Correct 1 ms 3432 KB Output is correct
24 Correct 1 ms 3420 KB Output is correct
25 Correct 1 ms 3672 KB Output is correct
26 Correct 1 ms 3428 KB Output is correct
27 Correct 1 ms 3428 KB Output is correct
28 Correct 1 ms 3420 KB Output is correct
29 Correct 1 ms 3420 KB Output is correct
30 Correct 1 ms 3416 KB Output is correct
31 Correct 1 ms 3420 KB Output is correct
32 Correct 1 ms 3420 KB Output is correct
33 Correct 1 ms 3420 KB Output is correct
34 Correct 2 ms 3420 KB Output is correct
35 Correct 1 ms 3420 KB Output is correct
36 Correct 1 ms 3420 KB Output is correct
37 Correct 1 ms 3420 KB Output is correct
38 Correct 1 ms 3420 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3412 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3416 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 1 ms 3416 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 1 ms 3248 KB Output is correct
17 Correct 1 ms 3164 KB Output is correct
18 Correct 1 ms 3420 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 1 ms 3164 KB Output is correct
21 Correct 1 ms 3164 KB Output is correct
22 Correct 40 ms 24244 KB Output is correct
23 Correct 39 ms 24152 KB Output is correct
24 Correct 42 ms 24300 KB Output is correct
25 Correct 39 ms 24092 KB Output is correct
26 Correct 39 ms 24060 KB Output is correct
27 Correct 37 ms 24128 KB Output is correct
28 Correct 44 ms 24404 KB Output is correct
29 Correct 36 ms 23892 KB Output is correct
30 Correct 1 ms 3420 KB Output is correct
31 Correct 1 ms 3432 KB Output is correct
32 Correct 1 ms 3420 KB Output is correct
33 Correct 1 ms 3672 KB Output is correct
34 Correct 1 ms 3428 KB Output is correct
35 Correct 1 ms 3428 KB Output is correct
36 Correct 1 ms 3420 KB Output is correct
37 Correct 1 ms 3420 KB Output is correct
38 Correct 1 ms 3416 KB Output is correct
39 Correct 1 ms 3420 KB Output is correct
40 Correct 1 ms 3420 KB Output is correct
41 Correct 1 ms 3420 KB Output is correct
42 Correct 2 ms 3420 KB Output is correct
43 Correct 1 ms 3420 KB Output is correct
44 Correct 1 ms 3420 KB Output is correct
45 Correct 1 ms 3420 KB Output is correct
46 Correct 1 ms 3420 KB Output is correct
47 Correct 34 ms 14416 KB Output is correct
48 Correct 35 ms 11860 KB Output is correct
49 Correct 32 ms 10912 KB Output is correct
50 Correct 33 ms 10320 KB Output is correct
51 Correct 34 ms 8804 KB Output is correct
52 Correct 35 ms 8532 KB Output is correct
53 Correct 35 ms 8536 KB Output is correct
54 Correct 33 ms 8528 KB Output is correct
55 Correct 31 ms 8028 KB Output is correct
56 Correct 31 ms 8020 KB Output is correct
57 Correct 36 ms 13428 KB Output is correct