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Submission #44054

# Submission time Handle Problem Language Result Execution time Memory
44054 2018-03-29T13:03:31 Z Lkvatashidze Paprike (COI18_paprike) C++11
100 / 100
 111 ms 32568 KB 
#include <bits/stdc++.h>
using namespace std;

      void DFS(int,int);

      int a[100005], dp[100005];
      int n, Q;
      vector < vector < int > > g;
      int cnt;

int main() {


       ios_base::sync_with_stdio(false);
       cin.tie(0);
       cout.tie(0);

        cin >> n >> Q;

         g.resize(n+1);

     for (int k=1; k<=n; k++)
         cin >> a[k];

         for (int k=1; k<n; k++) {
            int x, y;
             cin >> x >> y;
             g[x].push_back(y);
             g[y].push_back(x);
         }

         DFS(1,-1);

         cout << cnt;

    return 0;
}

 void DFS (int v, int p) {
        dp[v]=a[v];

       multiset < int > st;

     for (int k=0; k<g[v].size(); k++) {
         int to=g[v][k];
         if (to==p) continue;
         DFS(to,v);
          st.insert(dp[to]);
         }
         
     while (!st.empty()) {
        int q=(*st.begin());
        if (dp[v]+q<=Q) {
            dp[v]+=q;
        } else {
             cnt++;
         }
         st.erase(st.begin());
     }
}

Compilation message

paprike.cpp: In function 'int main()':
paprike.cpp:22:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
      for (int k=1; k<=n; k++)
      ^~~
paprike.cpp:25:10: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
          for (int k=1; k<n; k++) {
          ^~~
paprike.cpp: In function 'void DFS(int, int)':
paprike.cpp:44:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      for (int k=0; k<g[v].size(); k++) {
                    ~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 524 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 540 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 2 ms 764 KB Output is correct
11 Correct 2 ms 764 KB Output is correct
12 Correct 2 ms 764 KB Output is correct
13 Correct 2 ms 764 KB Output is correct
14 Correct 2 ms 920 KB Output is correct
15 Correct 2 ms 920 KB Output is correct
16 Correct 2 ms 920 KB Output is correct
17 Correct 2 ms 920 KB Output is correct
18 Correct 2 ms 920 KB Output is correct
19 Correct 2 ms 920 KB Output is correct
20 Correct 2 ms 920 KB Output is correct
21 Correct 2 ms 920 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 21156 KB Output is correct
2 Correct 70 ms 21156 KB Output is correct
3 Correct 75 ms 21156 KB Output is correct
4 Correct 67 ms 21156 KB Output is correct
5 Correct 65 ms 21156 KB Output is correct
6 Correct 66 ms 21156 KB Output is correct
7 Correct 68 ms 21156 KB Output is correct
8 Correct 71 ms 21156 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 524 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 540 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 2 ms 764 KB Output is correct
11 Correct 2 ms 764 KB Output is correct
12 Correct 2 ms 764 KB Output is correct
13 Correct 2 ms 764 KB Output is correct
14 Correct 2 ms 920 KB Output is correct
15 Correct 2 ms 920 KB Output is correct
16 Correct 2 ms 920 KB Output is correct
17 Correct 2 ms 920 KB Output is correct
18 Correct 2 ms 920 KB Output is correct
19 Correct 2 ms 920 KB Output is correct
20 Correct 2 ms 920 KB Output is correct
21 Correct 2 ms 920 KB Output is correct
22 Correct 2 ms 21156 KB Output is correct
23 Correct 2 ms 21156 KB Output is correct
24 Correct 2 ms 21156 KB Output is correct
25 Correct 3 ms 21156 KB Output is correct
26 Correct 3 ms 21156 KB Output is correct
27 Correct 3 ms 21156 KB Output is correct
28 Correct 2 ms 21156 KB Output is correct
29 Correct 2 ms 21156 KB Output is correct
30 Correct 2 ms 21156 KB Output is correct
31 Correct 2 ms 21156 KB Output is correct
32 Correct 2 ms 21156 KB Output is correct
33 Correct 2 ms 21156 KB Output is correct
34 Correct 2 ms 21156 KB Output is correct
35 Correct 2 ms 21156 KB Output is correct
36 Correct 2 ms 21156 KB Output is correct
37 Correct 3 ms 21156 KB Output is correct
38 Correct 2 ms 21156 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 524 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 540 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 2 ms 764 KB Output is correct
11 Correct 2 ms 764 KB Output is correct
12 Correct 2 ms 764 KB Output is correct
13 Correct 2 ms 764 KB Output is correct
14 Correct 2 ms 920 KB Output is correct
15 Correct 2 ms 920 KB Output is correct
16 Correct 2 ms 920 KB Output is correct
17 Correct 2 ms 920 KB Output is correct
18 Correct 2 ms 920 KB Output is correct
19 Correct 2 ms 920 KB Output is correct
20 Correct 2 ms 920 KB Output is correct
21 Correct 2 ms 920 KB Output is correct
22 Correct 68 ms 21156 KB Output is correct
23 Correct 70 ms 21156 KB Output is correct
24 Correct 75 ms 21156 KB Output is correct
25 Correct 67 ms 21156 KB Output is correct
26 Correct 65 ms 21156 KB Output is correct
27 Correct 66 ms 21156 KB Output is correct
28 Correct 68 ms 21156 KB Output is correct
29 Correct 71 ms 21156 KB Output is correct
30 Correct 2 ms 21156 KB Output is correct
31 Correct 2 ms 21156 KB Output is correct
32 Correct 2 ms 21156 KB Output is correct
33 Correct 3 ms 21156 KB Output is correct
34 Correct 3 ms 21156 KB Output is correct
35 Correct 3 ms 21156 KB Output is correct
36 Correct 2 ms 21156 KB Output is correct
37 Correct 2 ms 21156 KB Output is correct
38 Correct 2 ms 21156 KB Output is correct
39 Correct 2 ms 21156 KB Output is correct
40 Correct 2 ms 21156 KB Output is correct
41 Correct 2 ms 21156 KB Output is correct
42 Correct 2 ms 21156 KB Output is correct
43 Correct 2 ms 21156 KB Output is correct
44 Correct 2 ms 21156 KB Output is correct
45 Correct 3 ms 21156 KB Output is correct
46 Correct 2 ms 21156 KB Output is correct
47 Correct 80 ms 21156 KB Output is correct
48 Correct 64 ms 21156 KB Output is correct
49 Correct 64 ms 21156 KB Output is correct
50 Correct 64 ms 21156 KB Output is correct
51 Correct 96 ms 21156 KB Output is correct
52 Correct 92 ms 21156 KB Output is correct
53 Correct 95 ms 21200 KB Output is correct
54 Correct 97 ms 23096 KB Output is correct
55 Correct 111 ms 24504 KB Output is correct
56 Correct 97 ms 26068 KB Output is correct
57 Correct 69 ms 32568 KB Output is correct