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Submission #78955

# Submission time Handle Problem Language Result Execution time Memory
78955 2018-10-09T18:28:00 Z Charis02 Paprike (COI18_paprike) C++14
100 / 100
 90 ms 46184 KB 
#include<iostream>
#include<stdio.h>
#include<vector>
#include<cmath>
#include<queue>
#include<string.h>
#include<map>
#include<set>
#include<algorithm>
#define ll long long
#define pi pair < ll,ll >
#define mp(a,b) make_pair(a,b)
#define rep(i,a,b) for(int i = a;i < b;i++)
#define N 100004
#define INF 1e9+7

using namespace std;

ll n,k,h[N],cuts,a,b;
ll val[N];
vector < vector < ll > > graph(N);

void calc(ll cur,ll par)
{
    priority_queue < ll > pq;

    rep(i,0,graph[cur].size())
    {
        if(graph[cur][i] == par)
            continue;

        calc(graph[cur][i],cur);
        pq.push(-val[graph[cur][i]]);
    }

    val[cur] = h[cur];

    while(!pq.empty())
    {
        ll to_add = -pq.top();
        pq.pop();

        if(to_add + val[cur] > k)
            break;

        cuts--;
        val[cur] += to_add;
    }

    return;
}

int main()
{
    ios_base::sync_with_stdio(false);

    cin >> n >> k;

    rep(i,1,n+1)
    {
        cin >> h[i];
    }

    rep(i,0,n-1)
    {
        cin >> a >> b;

        graph[a].push_back(b);
        graph[b].push_back(a);
    }

    cuts = n-1;
    calc(1,1);

    cout << cuts << endl;

    return 0;
}

Compilation message

paprike.cpp: In function 'void calc(long long int, long long int)':
paprike.cpp:13:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,a,b) for(int i = a;i < b;i++)
paprike.cpp:27:9:
     rep(i,0,graph[cur].size())
         ~~~~~~~~~~~~~~~~~~~~~       
paprike.cpp:27:5: note: in expansion of macro 'rep'
     rep(i,0,graph[cur].size())
     ^~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2936 KB Output is correct
3 Correct 4 ms 2996 KB Output is correct
4 Correct 4 ms 2996 KB Output is correct
5 Correct 4 ms 2996 KB Output is correct
6 Correct 4 ms 2996 KB Output is correct
7 Correct 4 ms 2996 KB Output is correct
8 Correct 4 ms 2996 KB Output is correct
9 Correct 4 ms 2996 KB Output is correct
10 Correct 4 ms 3144 KB Output is correct
11 Correct 4 ms 3144 KB Output is correct
12 Correct 4 ms 3144 KB Output is correct
13 Correct 4 ms 3144 KB Output is correct
14 Correct 4 ms 3144 KB Output is correct
15 Correct 4 ms 3216 KB Output is correct
16 Correct 4 ms 3216 KB Output is correct
17 Correct 4 ms 3216 KB Output is correct
18 Correct 4 ms 3236 KB Output is correct
19 Correct 4 ms 3240 KB Output is correct
20 Correct 4 ms 3288 KB Output is correct
21 Correct 5 ms 3440 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 21224 KB Output is correct
2 Correct 69 ms 23132 KB Output is correct
3 Correct 71 ms 25260 KB Output is correct
4 Correct 70 ms 27256 KB Output is correct
5 Correct 65 ms 29124 KB Output is correct
6 Correct 68 ms 31064 KB Output is correct
7 Correct 68 ms 32988 KB Output is correct
8 Correct 62 ms 34528 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 4 ms 2936 KB Output is correct
3 Correct 4 ms 2996 KB Output is correct
4 Correct 4 ms 2996 KB Output is correct
5 Correct 4 ms 2996 KB Output is correct
6 Correct 4 ms 2996 KB Output is correct
7 Correct 4 ms 2996 KB Output is correct
8 Correct 4 ms 2996 KB Output is correct
9 Correct 4 ms 2996 KB Output is correct
10 Correct 4 ms 3144 KB Output is correct
11 Correct 4 ms 3144 KB Output is correct
12 Correct 4 ms 3144 KB Output is correct
13 Correct 4 ms 3144 KB Output is correct
14 Correct 4 ms 3144 KB Output is correct
15 Correct 4 ms 3216 KB Output is correct
16 Correct 4 ms 3216 KB Output is correct
17 Correct 4 ms 3216 KB Output is correct
18 Correct 4 ms 3236 KB Output is correct
19 Correct 4 ms 3240 KB Output is correct
20 Correct 4 ms 3288 KB Output is correct
21 Correct 5 ms 3440 KB Output is correct
22 Correct 5 ms 34528 KB Output is correct
23 Correct 5 ms 34528 KB Output is correct
24 Correct 4 ms 34528 KB Output is correct
25 Correct 5 ms 34528 KB Output is correct
26 Correct 5 ms 34528 KB Output is correct
27 Correct 4 ms 34528 KB Output is correct
28 Correct 5 ms 34528 KB Output is correct
29 Correct 5 ms 34528 KB Output is correct
30 Correct 4 ms 34528 KB Output is correct
31 Correct 4 ms 34528 KB Output is correct
32 Correct 5 ms 34528 KB Output is correct
33 Correct 4 ms 34528 KB Output is correct
34 Correct 4 ms 34528 KB Output is correct
35 Correct 5 ms 34528 KB Output is correct
36 Correct 4 ms 34528 KB Output is correct
37 Correct 5 ms 34528 KB Output is correct
38 Correct 4 ms 34528 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 4 ms 2936 KB Output is correct
3 Correct 4 ms 2996 KB Output is correct
4 Correct 4 ms 2996 KB Output is correct
5 Correct 4 ms 2996 KB Output is correct
6 Correct 4 ms 2996 KB Output is correct
7 Correct 4 ms 2996 KB Output is correct
8 Correct 4 ms 2996 KB Output is correct
9 Correct 4 ms 2996 KB Output is correct
10 Correct 4 ms 3144 KB Output is correct
11 Correct 4 ms 3144 KB Output is correct
12 Correct 4 ms 3144 KB Output is correct
13 Correct 4 ms 3144 KB Output is correct
14 Correct 4 ms 3144 KB Output is correct
15 Correct 4 ms 3216 KB Output is correct
16 Correct 4 ms 3216 KB Output is correct
17 Correct 4 ms 3216 KB Output is correct
18 Correct 4 ms 3236 KB Output is correct
19 Correct 4 ms 3240 KB Output is correct
20 Correct 4 ms 3288 KB Output is correct
21 Correct 5 ms 3440 KB Output is correct
22 Correct 71 ms 21224 KB Output is correct
23 Correct 69 ms 23132 KB Output is correct
24 Correct 71 ms 25260 KB Output is correct
25 Correct 70 ms 27256 KB Output is correct
26 Correct 65 ms 29124 KB Output is correct
27 Correct 68 ms 31064 KB Output is correct
28 Correct 68 ms 32988 KB Output is correct
29 Correct 62 ms 34528 KB Output is correct
30 Correct 5 ms 34528 KB Output is correct
31 Correct 5 ms 34528 KB Output is correct
32 Correct 4 ms 34528 KB Output is correct
33 Correct 5 ms 34528 KB Output is correct
34 Correct 5 ms 34528 KB Output is correct
35 Correct 4 ms 34528 KB Output is correct
36 Correct 5 ms 34528 KB Output is correct
37 Correct 5 ms 34528 KB Output is correct
38 Correct 4 ms 34528 KB Output is correct
39 Correct 4 ms 34528 KB Output is correct
40 Correct 5 ms 34528 KB Output is correct
41 Correct 4 ms 34528 KB Output is correct
42 Correct 4 ms 34528 KB Output is correct
43 Correct 5 ms 34528 KB Output is correct
44 Correct 4 ms 34528 KB Output is correct
45 Correct 5 ms 34528 KB Output is correct
46 Correct 4 ms 34528 KB Output is correct
47 Correct 64 ms 34528 KB Output is correct
48 Correct 67 ms 34528 KB Output is correct
49 Correct 64 ms 34528 KB Output is correct
50 Correct 63 ms 34528 KB Output is correct
51 Correct 79 ms 34528 KB Output is correct
52 Correct 90 ms 36548 KB Output is correct
53 Correct 85 ms 38264 KB Output is correct
54 Correct 80 ms 40180 KB Output is correct
55 Correct 76 ms 41684 KB Output is correct
56 Correct 82 ms 43096 KB Output is correct
57 Correct 49 ms 46184 KB Output is correct