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Submission #1039902

# Submission time Handle Problem Language Result Execution time Memory
1039902 2024-07-31T11:48:50 Z juicy Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
 249 ms 524288 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 2e5 + 5;

int n;
int a[N], c[N], dp[N];
vector<int> g[N];
map<int, long long> mp[N];

void dfs(int u) {
  for (int v : g[u]) {
    dfs(v);
    if (mp[u].size() < mp[v].size()) {
      mp[u].swap(mp[v]);
    }
    for (auto [x, y] : mp[v]) {
      mp[u][x] += y;
    }
  }
  mp[u][a[u]] += c[u];
  for (auto it = mp[u].upper_bound(a[u]); it != mp[u].end(); it = mp[u].erase(it)) {
    auto &delta = (*it).second;
    if (c[u] < delta) {
      delta -= c[u];
      break;
    }
    c[u] -= delta;
  }
}

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n;
  long long res = 0;
  for (int i = 1; i <= n; ++i) {
    int p; cin >> p >> a[i] >> c[i];
    a[i] = 1e9 - a[i] + 1;
    res += c[i];
    if (p ^ i) {
      g[p].push_back(i);
    }
  }
  dfs(1);
  for (auto [x, y] : mp[1]) {
    res -= y;
  }
  cout << res;
  return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14428 KB Output is correct
2 Correct 4 ms 14428 KB Output is correct
3 Correct 4 ms 14428 KB Output is correct
4 Correct 4 ms 14428 KB Output is correct
5 Correct 7 ms 15708 KB Output is correct
6 Correct 7 ms 15196 KB Output is correct
7 Correct 6 ms 15120 KB Output is correct
8 Correct 8 ms 15592 KB Output is correct
9 Correct 6 ms 15196 KB Output is correct
10 Correct 6 ms 14940 KB Output is correct
11 Correct 5 ms 14940 KB Output is correct
12 Correct 7 ms 15448 KB Output is correct
13 Correct 6 ms 15452 KB Output is correct
14 Correct 7 ms 15196 KB Output is correct
15 Correct 6 ms 15196 KB Output is correct
16 Correct 9 ms 15976 KB Output is correct
17 Correct 7 ms 15488 KB Output is correct
18 Correct 6 ms 14936 KB Output is correct
19 Correct 7 ms 15448 KB Output is correct
20 Correct 6 ms 15196 KB Output is correct
21 Correct 6 ms 15196 KB Output is correct
22 Correct 7 ms 15196 KB Output is correct
23 Correct 6 ms 14940 KB Output is correct
24 Correct 6 ms 15504 KB Output is correct
25 Correct 6 ms 15088 KB Output is correct
26 Correct 6 ms 15452 KB Output is correct
27 Correct 7 ms 15452 KB Output is correct
28 Correct 7 ms 15472 KB Output is correct
29 Correct 6 ms 15708 KB Output is correct
30 Correct 7 ms 15680 KB Output is correct
31 Correct 6 ms 15452 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14428 KB Output is correct
2 Correct 4 ms 14428 KB Output is correct
3 Correct 4 ms 14428 KB Output is correct
4 Correct 4 ms 14428 KB Output is correct
5 Correct 7 ms 15708 KB Output is correct
6 Correct 7 ms 15196 KB Output is correct
7 Correct 6 ms 15120 KB Output is correct
8 Correct 8 ms 15592 KB Output is correct
9 Correct 6 ms 15196 KB Output is correct
10 Correct 6 ms 14940 KB Output is correct
11 Correct 5 ms 14940 KB Output is correct
12 Correct 7 ms 15448 KB Output is correct
13 Correct 6 ms 15452 KB Output is correct
14 Correct 7 ms 15196 KB Output is correct
15 Correct 6 ms 15196 KB Output is correct
16 Correct 9 ms 15976 KB Output is correct
17 Correct 7 ms 15488 KB Output is correct
18 Correct 6 ms 14936 KB Output is correct
19 Correct 7 ms 15448 KB Output is correct
20 Correct 6 ms 15196 KB Output is correct
21 Correct 6 ms 15196 KB Output is correct
22 Correct 7 ms 15196 KB Output is correct
23 Correct 6 ms 14940 KB Output is correct
24 Correct 6 ms 15504 KB Output is correct
25 Correct 6 ms 15088 KB Output is correct
26 Correct 6 ms 15452 KB Output is correct
27 Correct 7 ms 15452 KB Output is correct
28 Correct 7 ms 15472 KB Output is correct
29 Correct 6 ms 15708 KB Output is correct
30 Correct 7 ms 15680 KB Output is correct
31 Correct 6 ms 15452 KB Output is correct
32 Correct 9 ms 15708 KB Output is correct
33 Correct 203 ms 78748 KB Output is correct
34 Correct 144 ms 53844 KB Output is correct
35 Correct 195 ms 75600 KB Output is correct
36 Correct 144 ms 53844 KB Output is correct
37 Correct 99 ms 34900 KB Output is correct
38 Correct 77 ms 30432 KB Output is correct
39 Correct 90 ms 55632 KB Output is correct
40 Correct 81 ms 55492 KB Output is correct
41 Correct 71 ms 55636 KB Output is correct
42 Correct 79 ms 41628 KB Output is correct
43 Correct 74 ms 41556 KB Output is correct
44 Correct 206 ms 103636 KB Output is correct
45 Correct 151 ms 68064 KB Output is correct
46 Correct 49 ms 30536 KB Output is correct
47 Correct 128 ms 51536 KB Output is correct
48 Correct 69 ms 44880 KB Output is correct
49 Correct 58 ms 44436 KB Output is correct
50 Correct 123 ms 46032 KB Output is correct
51 Correct 54 ms 33488 KB Output is correct
52 Correct 136 ms 52104 KB Output is correct
53 Correct 68 ms 45004 KB Output is correct
54 Correct 66 ms 56056 KB Output is correct
55 Correct 103 ms 53076 KB Output is correct
56 Correct 101 ms 58816 KB Output is correct
57 Correct 95 ms 62036 KB Output is correct
58 Correct 102 ms 59668 KB Output is correct
59 Correct 97 ms 59472 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14428 KB Output is correct
2 Correct 4 ms 14428 KB Output is correct
3 Correct 4 ms 14428 KB Output is correct
4 Correct 4 ms 14428 KB Output is correct
5 Correct 7 ms 15708 KB Output is correct
6 Correct 7 ms 15196 KB Output is correct
7 Correct 6 ms 15120 KB Output is correct
8 Correct 8 ms 15592 KB Output is correct
9 Correct 6 ms 15196 KB Output is correct
10 Correct 6 ms 14940 KB Output is correct
11 Correct 5 ms 14940 KB Output is correct
12 Correct 7 ms 15448 KB Output is correct
13 Correct 6 ms 15452 KB Output is correct
14 Correct 7 ms 15196 KB Output is correct
15 Correct 6 ms 15196 KB Output is correct
16 Correct 9 ms 15976 KB Output is correct
17 Correct 7 ms 15488 KB Output is correct
18 Correct 6 ms 14936 KB Output is correct
19 Correct 7 ms 15448 KB Output is correct
20 Correct 6 ms 15196 KB Output is correct
21 Correct 6 ms 15196 KB Output is correct
22 Correct 7 ms 15196 KB Output is correct
23 Correct 6 ms 14940 KB Output is correct
24 Correct 6 ms 15504 KB Output is correct
25 Correct 6 ms 15088 KB Output is correct
26 Correct 6 ms 15452 KB Output is correct
27 Correct 7 ms 15452 KB Output is correct
28 Correct 7 ms 15472 KB Output is correct
29 Correct 6 ms 15708 KB Output is correct
30 Correct 7 ms 15680 KB Output is correct
31 Correct 6 ms 15452 KB Output is correct
32 Correct 9 ms 15708 KB Output is correct
33 Correct 203 ms 78748 KB Output is correct
34 Correct 144 ms 53844 KB Output is correct
35 Correct 195 ms 75600 KB Output is correct
36 Correct 144 ms 53844 KB Output is correct
37 Correct 99 ms 34900 KB Output is correct
38 Correct 77 ms 30432 KB Output is correct
39 Correct 90 ms 55632 KB Output is correct
40 Correct 81 ms 55492 KB Output is correct
41 Correct 71 ms 55636 KB Output is correct
42 Correct 79 ms 41628 KB Output is correct
43 Correct 74 ms 41556 KB Output is correct
44 Correct 206 ms 103636 KB Output is correct
45 Correct 151 ms 68064 KB Output is correct
46 Correct 49 ms 30536 KB Output is correct
47 Correct 128 ms 51536 KB Output is correct
48 Correct 69 ms 44880 KB Output is correct
49 Correct 58 ms 44436 KB Output is correct
50 Correct 123 ms 46032 KB Output is correct
51 Correct 54 ms 33488 KB Output is correct
52 Correct 136 ms 52104 KB Output is correct
53 Correct 68 ms 45004 KB Output is correct
54 Correct 66 ms 56056 KB Output is correct
55 Correct 103 ms 53076 KB Output is correct
56 Correct 101 ms 58816 KB Output is correct
57 Correct 95 ms 62036 KB Output is correct
58 Correct 102 ms 59668 KB Output is correct
59 Correct 97 ms 59472 KB Output is correct
60 Runtime error 249 ms 524288 KB Execution killed with signal 9
61 Halted 0 ms 0 KB -