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Submission #242650

# Submission time Handle Problem Language Result Execution time Memory
242650 2020-06-28T14:46:15 Z vanic Paprike (COI18_paprike) C++14
100 / 100
 97 ms 17656 KB 
#include <iostream>
#include <cstdio>
#include <math.h>
#include <algorithm>
#include <set>
#include <stack>
#include <vector>

using namespace std;

const int maxn=1e5+5;

int val[maxn];
vector < int > ms[maxn];
int sol;
int n, k;

int dfs(int x, int prosl){
	vector < int > svi;
	for(int i=0; i<ms[x].size(); i++){
		if(ms[x][i]!=prosl){
			svi.push_back(dfs(ms[x][i], x));
		}
	}
	sort(svi.begin(), svi.end());
	int poc=val[x];
	for(int i=0; i<svi.size(); i++){
		if(poc+svi[i]<=k){
			poc+=svi[i];
		}
		else{
			sol+=svi.size()-i;
			break;
		}
	}
	return poc;
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> k;
	for(int i=0; i<n; i++){
		cin >> val[i];
	}
	int x, y;
	for(int i=0; i<n-1; i++){
		cin >> x >> y;
		x--;
		y--;
		ms[x].push_back(y);
		ms[y].push_back(x);
	}
	dfs(0, 0);
	cout << sol << '\n';
	return 0;
}

Compilation message

paprike.cpp: In function 'int dfs(int, int)':
paprike.cpp:20:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<ms[x].size(); i++){
               ~^~~~~~~~~~~~~
paprike.cpp:27:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<svi.size(); i++){
               ~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 7 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2648 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 17528 KB Output is correct
2 Correct 66 ms 17656 KB Output is correct
3 Correct 65 ms 17596 KB Output is correct
4 Correct 62 ms 17528 KB Output is correct
5 Correct 72 ms 17528 KB Output is correct
6 Correct 71 ms 17528 KB Output is correct
7 Correct 64 ms 17528 KB Output is correct
8 Correct 62 ms 17144 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 7 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2648 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 7 ms 2816 KB Output is correct
23 Correct 6 ms 2816 KB Output is correct
24 Correct 6 ms 2688 KB Output is correct
25 Correct 6 ms 2688 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2816 KB Output is correct
28 Correct 7 ms 2688 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2816 KB Output is correct
31 Correct 7 ms 2688 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2816 KB Output is correct
35 Correct 7 ms 2816 KB Output is correct
36 Correct 7 ms 2688 KB Output is correct
37 Correct 6 ms 2688 KB Output is correct
38 Correct 6 ms 2688 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 7 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2648 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 68 ms 17528 KB Output is correct
23 Correct 66 ms 17656 KB Output is correct
24 Correct 65 ms 17596 KB Output is correct
25 Correct 62 ms 17528 KB Output is correct
26 Correct 72 ms 17528 KB Output is correct
27 Correct 71 ms 17528 KB Output is correct
28 Correct 64 ms 17528 KB Output is correct
29 Correct 62 ms 17144 KB Output is correct
30 Correct 7 ms 2816 KB Output is correct
31 Correct 6 ms 2816 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2688 KB Output is correct
35 Correct 6 ms 2816 KB Output is correct
36 Correct 7 ms 2688 KB Output is correct
37 Correct 6 ms 2688 KB Output is correct
38 Correct 6 ms 2816 KB Output is correct
39 Correct 7 ms 2688 KB Output is correct
40 Correct 6 ms 2688 KB Output is correct
41 Correct 6 ms 2688 KB Output is correct
42 Correct 6 ms 2816 KB Output is correct
43 Correct 7 ms 2816 KB Output is correct
44 Correct 7 ms 2688 KB Output is correct
45 Correct 6 ms 2688 KB Output is correct
46 Correct 6 ms 2688 KB Output is correct
47 Correct 68 ms 11640 KB Output is correct
48 Correct 63 ms 10104 KB Output is correct
49 Correct 62 ms 9464 KB Output is correct
50 Correct 65 ms 9208 KB Output is correct
51 Correct 66 ms 8312 KB Output is correct
52 Correct 66 ms 8312 KB Output is correct
53 Correct 77 ms 8260 KB Output is correct
54 Correct 97 ms 8136 KB Output is correct
55 Correct 66 ms 7672 KB Output is correct
56 Correct 92 ms 7736 KB Output is correct
57 Correct 46 ms 9072 KB Output is correct