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Submission #43916

# Submission time Handle Problem Language Result Execution time Memory
43916 2018-03-28T05:45:14 Z Yehezkiel Paprike (COI18_paprike) C++11
100 / 100
 102 ms 44092 KB 
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define mp make_pair
#define eb emplace_back
#define pb push_back
#define all(x) (x).begin(),(x).end()
typedef long long LL;
typedef pair<int,int> pii;
typedef long double LD;
const int MAXN=100000;
int n,k,harga[MAXN+5],ans=0;
vector <int> node[MAXN+5];
int hitung(int now,int par){
	vector <int> temp;
	LL sum=harga[now];
	for(auto v:node[now])
	{
		if(v==par)
			continue;
		temp.pb(hitung(v,now));
		sum+=temp.back();
	}
	sort(all(temp));
	
	int idx=temp.size()-1;
	while(sum>(LL) k)
	{
		sum-=temp[idx--];
		ans++;
	}
	return sum;
}
int main()
{
	scanf("%d%d",&n,&k);
	for(int i=1;i<=n;i++)
		scanf("%d",&harga[i]);
	for(int i=1;i<=n-1;i++)
	{
		int  u,v;
		scanf("%d%d",&u,&v);
		node[u].pb(v);
		node[v].pb(u);
	}
	hitung(1,0);
	cout<<ans<<endl;
}

Compilation message

paprike.cpp: In function 'int main()':
paprike.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~
paprike.cpp:39:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&harga[i]);
   ~~~~~^~~~~~~~~~~~~~~~
paprike.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&u,&v);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2800 KB Output is correct
3 Correct 4 ms 2912 KB Output is correct
4 Correct 5 ms 3024 KB Output is correct
5 Correct 3 ms 3024 KB Output is correct
6 Correct 3 ms 3024 KB Output is correct
7 Correct 3 ms 3024 KB Output is correct
8 Correct 3 ms 3024 KB Output is correct
9 Correct 3 ms 3024 KB Output is correct
10 Correct 3 ms 3024 KB Output is correct
11 Correct 3 ms 3060 KB Output is correct
12 Correct 4 ms 3064 KB Output is correct
13 Correct 4 ms 3068 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 3 ms 3328 KB Output is correct
16 Correct 4 ms 3328 KB Output is correct
17 Correct 3 ms 3328 KB Output is correct
18 Correct 4 ms 3328 KB Output is correct
19 Correct 4 ms 3328 KB Output is correct
20 Correct 3 ms 3368 KB Output is correct
21 Correct 4 ms 3376 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 19892 KB Output is correct
2 Correct 74 ms 21896 KB Output is correct
3 Correct 73 ms 24156 KB Output is correct
4 Correct 73 ms 26040 KB Output is correct
5 Correct 79 ms 28040 KB Output is correct
6 Correct 76 ms 29828 KB Output is correct
7 Correct 73 ms 31796 KB Output is correct
8 Correct 91 ms 33208 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2800 KB Output is correct
3 Correct 4 ms 2912 KB Output is correct
4 Correct 5 ms 3024 KB Output is correct
5 Correct 3 ms 3024 KB Output is correct
6 Correct 3 ms 3024 KB Output is correct
7 Correct 3 ms 3024 KB Output is correct
8 Correct 3 ms 3024 KB Output is correct
9 Correct 3 ms 3024 KB Output is correct
10 Correct 3 ms 3024 KB Output is correct
11 Correct 3 ms 3060 KB Output is correct
12 Correct 4 ms 3064 KB Output is correct
13 Correct 4 ms 3068 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 3 ms 3328 KB Output is correct
16 Correct 4 ms 3328 KB Output is correct
17 Correct 3 ms 3328 KB Output is correct
18 Correct 4 ms 3328 KB Output is correct
19 Correct 4 ms 3328 KB Output is correct
20 Correct 3 ms 3368 KB Output is correct
21 Correct 4 ms 3376 KB Output is correct
22 Correct 4 ms 33208 KB Output is correct
23 Correct 4 ms 33208 KB Output is correct
24 Correct 5 ms 33208 KB Output is correct
25 Correct 4 ms 33208 KB Output is correct
26 Correct 5 ms 33208 KB Output is correct
27 Correct 4 ms 33208 KB Output is correct
28 Correct 4 ms 33208 KB Output is correct
29 Correct 4 ms 33208 KB Output is correct
30 Correct 5 ms 33208 KB Output is correct
31 Correct 4 ms 33208 KB Output is correct
32 Correct 4 ms 33208 KB Output is correct
33 Correct 4 ms 33208 KB Output is correct
34 Correct 4 ms 33208 KB Output is correct
35 Correct 5 ms 33208 KB Output is correct
36 Correct 4 ms 33208 KB Output is correct
37 Correct 4 ms 33208 KB Output is correct
38 Correct 5 ms 33208 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2800 KB Output is correct
3 Correct 4 ms 2912 KB Output is correct
4 Correct 5 ms 3024 KB Output is correct
5 Correct 3 ms 3024 KB Output is correct
6 Correct 3 ms 3024 KB Output is correct
7 Correct 3 ms 3024 KB Output is correct
8 Correct 3 ms 3024 KB Output is correct
9 Correct 3 ms 3024 KB Output is correct
10 Correct 3 ms 3024 KB Output is correct
11 Correct 3 ms 3060 KB Output is correct
12 Correct 4 ms 3064 KB Output is correct
13 Correct 4 ms 3068 KB Output is correct
14 Correct 4 ms 3328 KB Output is correct
15 Correct 3 ms 3328 KB Output is correct
16 Correct 4 ms 3328 KB Output is correct
17 Correct 3 ms 3328 KB Output is correct
18 Correct 4 ms 3328 KB Output is correct
19 Correct 4 ms 3328 KB Output is correct
20 Correct 3 ms 3368 KB Output is correct
21 Correct 4 ms 3376 KB Output is correct
22 Correct 75 ms 19892 KB Output is correct
23 Correct 74 ms 21896 KB Output is correct
24 Correct 73 ms 24156 KB Output is correct
25 Correct 73 ms 26040 KB Output is correct
26 Correct 79 ms 28040 KB Output is correct
27 Correct 76 ms 29828 KB Output is correct
28 Correct 73 ms 31796 KB Output is correct
29 Correct 91 ms 33208 KB Output is correct
30 Correct 4 ms 33208 KB Output is correct
31 Correct 4 ms 33208 KB Output is correct
32 Correct 5 ms 33208 KB Output is correct
33 Correct 4 ms 33208 KB Output is correct
34 Correct 5 ms 33208 KB Output is correct
35 Correct 4 ms 33208 KB Output is correct
36 Correct 4 ms 33208 KB Output is correct
37 Correct 4 ms 33208 KB Output is correct
38 Correct 5 ms 33208 KB Output is correct
39 Correct 4 ms 33208 KB Output is correct
40 Correct 4 ms 33208 KB Output is correct
41 Correct 4 ms 33208 KB Output is correct
42 Correct 4 ms 33208 KB Output is correct
43 Correct 5 ms 33208 KB Output is correct
44 Correct 4 ms 33208 KB Output is correct
45 Correct 4 ms 33208 KB Output is correct
46 Correct 5 ms 33208 KB Output is correct
47 Correct 90 ms 33208 KB Output is correct
48 Correct 74 ms 33208 KB Output is correct
49 Correct 72 ms 33208 KB Output is correct
50 Correct 72 ms 33208 KB Output is correct
51 Correct 92 ms 33208 KB Output is correct
52 Correct 102 ms 34928 KB Output is correct
53 Correct 91 ms 36656 KB Output is correct
54 Correct 98 ms 38612 KB Output is correct
55 Correct 85 ms 39936 KB Output is correct
56 Correct 87 ms 41388 KB Output is correct
57 Correct 49 ms 44092 KB Output is correct