oj.uz

Submission #329221

# Submission time Handle Problem Language Result Execution time Memory
329221 2020-11-19T22:56:35 Z Nirjhor Fireworks (APIO16_fireworks) C++17
100 / 100
 255 ms 61284 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N = 300010;

int n, m, p[N];
vector <int> g[N];
ll w[N], a[N], b[N];
priority_queue <ll> *pq[N];

int main() {
  cin >> m >> n; n += m;
  for (int i = 2; i <= n; ++i) {
    scanf("%d %lld", p + i, w + i);
    g[p[i]].emplace_back(i);
  }
  for (int i = m + 1; i <= n; ++i) {
    a[i] = 1, b[i] = -w[i];
    pq[i] = new priority_queue <ll> ();
    pq[i] -> emplace(w[i]); pq[i] -> emplace(w[i]);
  }
  for (int i = m; i >= 1; --i) {
    pq[i] = new priority_queue <ll> ();
    for (int j : g[i]) {
      if (pq[j] -> size() > pq[i] -> size()) swap(pq[i], pq[j]);
      while (!(pq[j] -> empty())) pq[i] -> emplace(pq[j] -> top()), pq[j] -> pop();
      a[i] += a[j], b[i] += b[j];
    }
    while (a[i] > 1) b[i] += pq[i] -> top(), --a[i], pq[i] -> pop(); b[i] -= w[i];
    ll one = pq[i] -> top(); pq[i] -> pop();
    ll zero = pq[i] -> top(); pq[i] -> pop();
    pq[i] -> emplace(one + w[i]); pq[i] -> emplace(zero + w[i]);
  }
  cout << a[1] * pq[1] -> top() + b[1] << '\n';
  return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:32:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   32 |     while (a[i] > 1) b[i] += pq[i] -> top(), --a[i], pq[i] -> pop(); b[i] -= w[i];
      |     ^~~~~
fireworks.cpp:32:70: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   32 |     while (a[i] > 1) b[i] += pq[i] -> top(), --a[i], pq[i] -> pop(); b[i] -= w[i];
      |                                                                      ^
fireworks.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |     scanf("%d %lld", p + i, w + i);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 5 ms 7404 KB Output is correct
8 Correct 6 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7424 KB Output is correct
6 Correct 5 ms 7404 KB Output is correct
7 Correct 5 ms 7404 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7532 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 7 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 5 ms 7404 KB Output is correct
19 Correct 5 ms 7404 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 5 ms 7404 KB Output is correct
8 Correct 6 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7424 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 5 ms 7404 KB Output is correct
19 Correct 5 ms 7532 KB Output is correct
20 Correct 5 ms 7404 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 7 ms 7404 KB Output is correct
23 Correct 5 ms 7404 KB Output is correct
24 Correct 5 ms 7404 KB Output is correct
25 Correct 5 ms 7404 KB Output is correct
26 Correct 5 ms 7404 KB Output is correct
27 Correct 5 ms 7404 KB Output is correct
28 Correct 5 ms 7404 KB Output is correct
29 Correct 5 ms 7404 KB Output is correct
30 Correct 5 ms 7404 KB Output is correct
31 Correct 6 ms 7532 KB Output is correct
32 Correct 6 ms 7660 KB Output is correct
33 Correct 6 ms 7660 KB Output is correct
34 Correct 7 ms 7916 KB Output is correct
35 Correct 9 ms 7916 KB Output is correct
36 Correct 7 ms 8044 KB Output is correct
37 Correct 8 ms 8044 KB Output is correct
38 Correct 8 ms 8172 KB Output is correct
39 Correct 8 ms 8172 KB Output is correct
40 Correct 7 ms 8044 KB Output is correct
41 Correct 10 ms 8044 KB Output is correct
42 Correct 7 ms 8044 KB Output is correct
43 Correct 8 ms 8044 KB Output is correct
44 Correct 8 ms 8044 KB Output is correct
45 Correct 8 ms 8044 KB Output is correct
46 Correct 8 ms 8300 KB Output is correct
47 Correct 8 ms 8300 KB Output is correct
48 Correct 7 ms 8172 KB Output is correct
49 Correct 8 ms 8172 KB Output is correct
50 Correct 8 ms 8044 KB Output is correct
51 Correct 8 ms 8044 KB Output is correct
52 Correct 8 ms 8172 KB Output is correct
53 Correct 8 ms 8172 KB Output is correct
54 Correct 8 ms 8300 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 5 ms 7404 KB Output is correct
8 Correct 6 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7424 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 5 ms 7404 KB Output is correct
19 Correct 5 ms 7532 KB Output is correct
20 Correct 5 ms 7404 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 7 ms 7404 KB Output is correct
23 Correct 5 ms 7404 KB Output is correct
24 Correct 5 ms 7404 KB Output is correct
25 Correct 5 ms 7404 KB Output is correct
26 Correct 5 ms 7404 KB Output is correct
27 Correct 5 ms 7404 KB Output is correct
28 Correct 5 ms 7404 KB Output is correct
29 Correct 5 ms 7404 KB Output is correct
30 Correct 5 ms 7404 KB Output is correct
31 Correct 6 ms 7532 KB Output is correct
32 Correct 6 ms 7660 KB Output is correct
33 Correct 6 ms 7660 KB Output is correct
34 Correct 7 ms 7916 KB Output is correct
35 Correct 9 ms 7916 KB Output is correct
36 Correct 7 ms 8044 KB Output is correct
37 Correct 8 ms 8044 KB Output is correct
38 Correct 8 ms 8172 KB Output is correct
39 Correct 8 ms 8172 KB Output is correct
40 Correct 7 ms 8044 KB Output is correct
41 Correct 10 ms 8044 KB Output is correct
42 Correct 7 ms 8044 KB Output is correct
43 Correct 8 ms 8044 KB Output is correct
44 Correct 8 ms 8044 KB Output is correct
45 Correct 8 ms 8044 KB Output is correct
46 Correct 8 ms 8300 KB Output is correct
47 Correct 8 ms 8300 KB Output is correct
48 Correct 7 ms 8172 KB Output is correct
49 Correct 8 ms 8172 KB Output is correct
50 Correct 8 ms 8044 KB Output is correct
51 Correct 8 ms 8044 KB Output is correct
52 Correct 8 ms 8172 KB Output is correct
53 Correct 8 ms 8172 KB Output is correct
54 Correct 8 ms 8300 KB Output is correct
55 Correct 13 ms 9324 KB Output is correct
56 Correct 40 ms 14828 KB Output is correct
57 Correct 72 ms 19968 KB Output is correct
58 Correct 88 ms 23528 KB Output is correct
59 Correct 124 ms 28772 KB Output is correct
60 Correct 158 ms 34104 KB Output is correct
61 Correct 176 ms 37988 KB Output is correct
62 Correct 200 ms 40928 KB Output is correct
63 Correct 251 ms 47472 KB Output is correct
64 Correct 255 ms 49636 KB Output is correct
65 Correct 130 ms 46316 KB Output is correct
66 Correct 132 ms 46372 KB Output is correct
67 Correct 131 ms 46436 KB Output is correct
68 Correct 179 ms 47452 KB Output is correct
69 Correct 212 ms 47452 KB Output is correct
70 Correct 211 ms 47472 KB Output is correct
71 Correct 213 ms 61284 KB Output is correct
72 Correct 210 ms 61020 KB Output is correct
73 Correct 186 ms 57180 KB Output is correct
74 Correct 185 ms 57516 KB Output is correct
75 Correct 186 ms 56280 KB Output is correct
76 Correct 184 ms 56352 KB Output is correct
77 Correct 194 ms 55260 KB Output is correct
78 Correct 192 ms 54628 KB Output is correct
79 Correct 180 ms 54492 KB Output is correct