oj.uz

Submission #148117

# Submission time Handle Problem Language Result Execution time Memory
148117 2019-08-31T14:02:36 Z WhipppedCream Paprike (COI18_paprike) C++17
100 / 100
 119 ms 24692 KB 
//Power Of Ninja Go
#include <bits/stdc++.h>
//#ifdef atom #else #endif
using namespace std;
typedef long long ll; typedef pair<int, int> ii;
#define X first
#define Y second
#define vi vector<int>
#define vii vector< ii >
#define pb push_back
const int maxn = 1e5+5;
vi adj[maxn];
int c[maxn];
ll sum[maxn];
int k;
bool cmp(int u, int v)
{
    return sum[u]> sum[v];
}
int dfs(int u, int p)
{
    sum[u] = c[u];
    int res = 0;
    vi chil;
    for(auto v : adj[u])
    {
        if(v == p) continue;
        chil.pb(v);
        res += dfs(v, u);
        sum[u] += sum[v];
    }
    sort(chil.begin(), chil.end(), cmp);
    for(auto v : chil)
    {
        if(sum[u]<= k) break;
        res++;
        sum[u] -= sum[v];
    }
    return res;
}
int main()
{
    //#ifndef atom freopen(".in", "r", stdin); freopen(".out", "w", stdout); #endif
    int n; scanf("%d %d", &n, &k);
    for(int i = 1; i<= n; i++) scanf("%d", c+i);
    for(int i = 0; i< n-1; i++)
    {
        int u, v; scanf("%d %d", &u, &v);
        adj[u].pb(v); adj[v].pb(u);
    }
    printf("%d\n", dfs(1, 0));
}

Compilation message

paprike.cpp: In function 'int main()':
paprike.cpp:44:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n; scanf("%d %d", &n, &k);
            ~~~~~^~~~~~~~~~~~~~~~~
paprike.cpp:45:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i<= n; i++) scanf("%d", c+i);
                                ~~~~~^~~~~~~~~~~
paprike.cpp:48:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int u, v; 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 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2808 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2716 KB Output is correct
15 Correct 4 ms 2716 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 24668 KB Output is correct
2 Correct 80 ms 24668 KB Output is correct
3 Correct 78 ms 24692 KB Output is correct
4 Correct 79 ms 24568 KB Output is correct
5 Correct 82 ms 24508 KB Output is correct
6 Correct 78 ms 24568 KB Output is correct
7 Correct 77 ms 24568 KB Output is correct
8 Correct 76 ms 24184 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 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2808 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2716 KB Output is correct
15 Correct 4 ms 2716 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 5 ms 2684 KB Output is correct
24 Correct 5 ms 2680 KB Output is correct
25 Correct 5 ms 2808 KB Output is correct
26 Correct 5 ms 2808 KB Output is correct
27 Correct 5 ms 2684 KB Output is correct
28 Correct 5 ms 2808 KB Output is correct
29 Correct 5 ms 2680 KB Output is correct
30 Correct 5 ms 2812 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 5 ms 2684 KB Output is correct
33 Correct 5 ms 2728 KB Output is correct
34 Correct 5 ms 2680 KB Output is correct
35 Correct 5 ms 2808 KB Output is correct
36 Correct 5 ms 2680 KB Output is correct
37 Correct 5 ms 2680 KB Output is correct
38 Correct 4 ms 2808 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 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2808 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2716 KB Output is correct
15 Correct 4 ms 2716 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 78 ms 24668 KB Output is correct
23 Correct 80 ms 24668 KB Output is correct
24 Correct 78 ms 24692 KB Output is correct
25 Correct 79 ms 24568 KB Output is correct
26 Correct 82 ms 24508 KB Output is correct
27 Correct 78 ms 24568 KB Output is correct
28 Correct 77 ms 24568 KB Output is correct
29 Correct 76 ms 24184 KB Output is correct
30 Correct 5 ms 2808 KB Output is correct
31 Correct 5 ms 2684 KB Output is correct
32 Correct 5 ms 2680 KB Output is correct
33 Correct 5 ms 2808 KB Output is correct
34 Correct 5 ms 2808 KB Output is correct
35 Correct 5 ms 2684 KB Output is correct
36 Correct 5 ms 2808 KB Output is correct
37 Correct 5 ms 2680 KB Output is correct
38 Correct 5 ms 2812 KB Output is correct
39 Correct 5 ms 2808 KB Output is correct
40 Correct 5 ms 2684 KB Output is correct
41 Correct 5 ms 2728 KB Output is correct
42 Correct 5 ms 2680 KB Output is correct
43 Correct 5 ms 2808 KB Output is correct
44 Correct 5 ms 2680 KB Output is correct
45 Correct 5 ms 2680 KB Output is correct
46 Correct 4 ms 2808 KB Output is correct
47 Correct 77 ms 14172 KB Output is correct
48 Correct 71 ms 11888 KB Output is correct
49 Correct 71 ms 11176 KB Output is correct
50 Correct 72 ms 10544 KB Output is correct
51 Correct 119 ms 9096 KB Output is correct
52 Correct 82 ms 8972 KB Output is correct
53 Correct 89 ms 9080 KB Output is correct
54 Correct 112 ms 9016 KB Output is correct
55 Correct 100 ms 8580 KB Output is correct
56 Correct 81 ms 8440 KB Output is correct
57 Correct 51 ms 9456 KB Output is correct