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Submission #169466

# Submission time Handle Problem Language Result Execution time Memory
169466 2019-12-20T14:39:31 Z rzbt Paprike (COI18_paprike) C++14
100 / 100
 121 ms 23056 KB 
#include <cstdio>
#include <algorithm>
#include <vector>
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define MAXN 100005
typedef long long ll;


using namespace std;

int n,k,spice[MAXN];
int res=0;
vector<int> deca[MAXN],niz[MAXN];


int dfs(int t,int o){
    for(auto x:niz[t]){
        if(x==o)continue;
        deca[t].pb(dfs(x,t));
    }
    sort(all(deca[t]));
    int tz=spice[t];
    for(auto x:deca[t]){
        if(tz+x<=k)tz+=x;
        else res++;
    }
    return tz;
}

int main()
{
    scanf("%d %d", &n, &k);
    for(int i=1;i<=n;i++)
        scanf("%d",spice+i);
    for(int i=1;i<n;i++){
        int t1,t2;
        scanf("%d %d", &t1, &t2);
        niz[t1].pb(t2);
        niz[t2].pb(t1);
    }
    dfs(1,0);
    printf("%d",res);

    return 0;
}

Compilation message

paprike.cpp: In function 'int main()':
paprike.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~
paprike.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",spice+i);
         ~~~~~^~~~~~~~~~~~~~
paprike.cpp:41:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &t1, &t2);
         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4956 KB Output is correct
5 Correct 5 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 5040 KB Output is correct
11 Correct 6 ms 4956 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 6 ms 4956 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 5084 KB Output is correct
16 Correct 6 ms 5044 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 6 ms 4988 KB Output is correct
19 Correct 6 ms 4984 KB Output is correct
20 Correct 6 ms 5020 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 23004 KB Output is correct
2 Correct 78 ms 23044 KB Output is correct
3 Correct 77 ms 23056 KB Output is correct
4 Correct 77 ms 23032 KB Output is correct
5 Correct 76 ms 23008 KB Output is correct
6 Correct 76 ms 22904 KB Output is correct
7 Correct 75 ms 22904 KB Output is correct
8 Correct 70 ms 22520 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4956 KB Output is correct
5 Correct 5 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 5040 KB Output is correct
11 Correct 6 ms 4956 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 6 ms 4956 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 5084 KB Output is correct
16 Correct 6 ms 5044 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 6 ms 4988 KB Output is correct
19 Correct 6 ms 4984 KB Output is correct
20 Correct 6 ms 5020 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 8 ms 5112 KB Output is correct
23 Correct 7 ms 5116 KB Output is correct
24 Correct 7 ms 5112 KB Output is correct
25 Correct 6 ms 5112 KB Output is correct
26 Correct 6 ms 5112 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 7 ms 5112 KB Output is correct
30 Correct 6 ms 4992 KB Output is correct
31 Correct 7 ms 5112 KB Output is correct
32 Correct 6 ms 5084 KB Output is correct
33 Correct 7 ms 5112 KB Output is correct
34 Correct 7 ms 5112 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 7 ms 5052 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4956 KB Output is correct
5 Correct 5 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 5040 KB Output is correct
11 Correct 6 ms 4956 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 6 ms 4956 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 5084 KB Output is correct
16 Correct 6 ms 5044 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 6 ms 4988 KB Output is correct
19 Correct 6 ms 4984 KB Output is correct
20 Correct 6 ms 5020 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 77 ms 23004 KB Output is correct
23 Correct 78 ms 23044 KB Output is correct
24 Correct 77 ms 23056 KB Output is correct
25 Correct 77 ms 23032 KB Output is correct
26 Correct 76 ms 23008 KB Output is correct
27 Correct 76 ms 22904 KB Output is correct
28 Correct 75 ms 22904 KB Output is correct
29 Correct 70 ms 22520 KB Output is correct
30 Correct 8 ms 5112 KB Output is correct
31 Correct 7 ms 5116 KB Output is correct
32 Correct 7 ms 5112 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 5112 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 5112 KB Output is correct
37 Correct 7 ms 5112 KB Output is correct
38 Correct 6 ms 4992 KB Output is correct
39 Correct 7 ms 5112 KB Output is correct
40 Correct 6 ms 5084 KB Output is correct
41 Correct 7 ms 5112 KB Output is correct
42 Correct 7 ms 5112 KB Output is correct
43 Correct 6 ms 5112 KB Output is correct
44 Correct 7 ms 5052 KB Output is correct
45 Correct 6 ms 4984 KB Output is correct
46 Correct 6 ms 4984 KB Output is correct
47 Correct 74 ms 15736 KB Output is correct
48 Correct 74 ms 14328 KB Output is correct
49 Correct 76 ms 13688 KB Output is correct
50 Correct 76 ms 13432 KB Output is correct
51 Correct 103 ms 12168 KB Output is correct
52 Correct 97 ms 12156 KB Output is correct
53 Correct 98 ms 12076 KB Output is correct
54 Correct 100 ms 12092 KB Output is correct
55 Correct 121 ms 11708 KB Output is correct
56 Correct 93 ms 11612 KB Output is correct
57 Correct 50 ms 11376 KB Output is correct