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Submission #696848

# Submission time Handle Problem Language Result Execution time Memory
696848 2023-02-07T11:51:02 Z Ooops_sorry Fireworks (APIO16_fireworks) C++14
100 / 100
 329 ms 102328 KB 
#include<bits/stdc++.h>

using namespace std;

#define ull unsigned long long
#define pb push_back
#define ld long double
#define ll long long

mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());

const int N = 3e5 + 10;
vector<int> g[N];
multiset<ll> st[N];
ll k[N], b[N];
int c[N];

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif // LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    for (int i = 1; i < n + m; i++) {
        int p;
        cin >> p >> c[i];
        p--;
        g[p].pb(i);
    }
    for (int i = n; i < n + m; i++) {
        k[i] = 1;
        b[i] = -c[i];
        st[i].insert(c[i]);
        st[i].insert(c[i]);
    }
    for (int i = n - 1; i >= 0; i--) {
        for (auto to : g[i]) {
            k[i] += k[to];
            b[i] += b[to];
            if (st[to].size() > st[i].size()) {
                swap(st[i], st[to]);
            }
            for (auto x : st[to]) {
                st[i].insert(x);
            }
        }
        while (k[i] > 1) {
            k[i]--;
            b[i] += *st[i].rbegin();
            st[i].erase(st[i].find(*st[i].rbegin()));
        }
        if (c[i] > 0) {
            ll slope1 = *st[i].rbegin();
            st[i].erase(st[i].find(slope1));
            ll slope0 = *st[i].rbegin();
            st[i].erase(st[i].find(slope0));
            st[i].insert(slope0 + c[i]);
            st[i].insert(slope1 + c[i]);
            b[i] -= c[i];
        }
    }
    while (k[0] > 0) {
        k[0]--;
        b[0] += *st[0].rbegin();
        st[0].erase(st[0].find(*st[0].rbegin()));
    }
    cout << b[0] << endl;
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21460 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 10 ms 21460 KB Output is correct
4 Correct 10 ms 21460 KB Output is correct
5 Correct 11 ms 21400 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21500 KB Output is correct
9 Correct 10 ms 21504 KB Output is correct
10 Correct 12 ms 21464 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21460 KB Output is correct
2 Correct 11 ms 21460 KB Output is correct
3 Correct 10 ms 21460 KB Output is correct
4 Correct 10 ms 21460 KB Output is correct
5 Correct 10 ms 21496 KB Output is correct
6 Correct 10 ms 21460 KB Output is correct
7 Correct 11 ms 21456 KB Output is correct
8 Correct 10 ms 21440 KB Output is correct
9 Correct 10 ms 21388 KB Output is correct
10 Correct 11 ms 21484 KB Output is correct
11 Correct 10 ms 21460 KB Output is correct
12 Correct 11 ms 21460 KB Output is correct
13 Correct 10 ms 21460 KB Output is correct
14 Correct 12 ms 21460 KB Output is correct
15 Correct 11 ms 21464 KB Output is correct
16 Correct 11 ms 21460 KB Output is correct
17 Correct 12 ms 21460 KB Output is correct
18 Correct 13 ms 21432 KB Output is correct
19 Correct 11 ms 21408 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21460 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 10 ms 21460 KB Output is correct
4 Correct 10 ms 21460 KB Output is correct
5 Correct 11 ms 21400 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21500 KB Output is correct
9 Correct 10 ms 21504 KB Output is correct
10 Correct 12 ms 21464 KB Output is correct
11 Correct 11 ms 21460 KB Output is correct
12 Correct 11 ms 21460 KB Output is correct
13 Correct 10 ms 21460 KB Output is correct
14 Correct 10 ms 21460 KB Output is correct
15 Correct 10 ms 21496 KB Output is correct
16 Correct 10 ms 21460 KB Output is correct
17 Correct 11 ms 21456 KB Output is correct
18 Correct 10 ms 21440 KB Output is correct
19 Correct 10 ms 21388 KB Output is correct
20 Correct 11 ms 21484 KB Output is correct
21 Correct 10 ms 21460 KB Output is correct
22 Correct 11 ms 21460 KB Output is correct
23 Correct 10 ms 21460 KB Output is correct
24 Correct 12 ms 21460 KB Output is correct
25 Correct 11 ms 21464 KB Output is correct
26 Correct 11 ms 21460 KB Output is correct
27 Correct 12 ms 21460 KB Output is correct
28 Correct 13 ms 21432 KB Output is correct
29 Correct 11 ms 21408 KB Output is correct
30 Correct 13 ms 21460 KB Output is correct
31 Correct 14 ms 21516 KB Output is correct
32 Correct 12 ms 21620 KB Output is correct
33 Correct 13 ms 21716 KB Output is correct
34 Correct 14 ms 21872 KB Output is correct
35 Correct 14 ms 21872 KB Output is correct
36 Correct 13 ms 21936 KB Output is correct
37 Correct 14 ms 22072 KB Output is correct
38 Correct 14 ms 22100 KB Output is correct
39 Correct 14 ms 22148 KB Output is correct
40 Correct 17 ms 21716 KB Output is correct
41 Correct 17 ms 21748 KB Output is correct
42 Correct 13 ms 21716 KB Output is correct
43 Correct 15 ms 21972 KB Output is correct
44 Correct 14 ms 22072 KB Output is correct
45 Correct 16 ms 21992 KB Output is correct
46 Correct 14 ms 22612 KB Output is correct
47 Correct 15 ms 22516 KB Output is correct
48 Correct 14 ms 22384 KB Output is correct
49 Correct 15 ms 22508 KB Output is correct
50 Correct 14 ms 22228 KB Output is correct
51 Correct 13 ms 22276 KB Output is correct
52 Correct 14 ms 22328 KB Output is correct
53 Correct 16 ms 22388 KB Output is correct
54 Correct 17 ms 22612 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21460 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 10 ms 21460 KB Output is correct
4 Correct 10 ms 21460 KB Output is correct
5 Correct 11 ms 21400 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21500 KB Output is correct
9 Correct 10 ms 21504 KB Output is correct
10 Correct 12 ms 21464 KB Output is correct
11 Correct 11 ms 21460 KB Output is correct
12 Correct 11 ms 21460 KB Output is correct
13 Correct 10 ms 21460 KB Output is correct
14 Correct 10 ms 21460 KB Output is correct
15 Correct 10 ms 21496 KB Output is correct
16 Correct 10 ms 21460 KB Output is correct
17 Correct 11 ms 21456 KB Output is correct
18 Correct 10 ms 21440 KB Output is correct
19 Correct 10 ms 21388 KB Output is correct
20 Correct 11 ms 21484 KB Output is correct
21 Correct 10 ms 21460 KB Output is correct
22 Correct 11 ms 21460 KB Output is correct
23 Correct 10 ms 21460 KB Output is correct
24 Correct 12 ms 21460 KB Output is correct
25 Correct 11 ms 21464 KB Output is correct
26 Correct 11 ms 21460 KB Output is correct
27 Correct 12 ms 21460 KB Output is correct
28 Correct 13 ms 21432 KB Output is correct
29 Correct 11 ms 21408 KB Output is correct
30 Correct 13 ms 21460 KB Output is correct
31 Correct 14 ms 21516 KB Output is correct
32 Correct 12 ms 21620 KB Output is correct
33 Correct 13 ms 21716 KB Output is correct
34 Correct 14 ms 21872 KB Output is correct
35 Correct 14 ms 21872 KB Output is correct
36 Correct 13 ms 21936 KB Output is correct
37 Correct 14 ms 22072 KB Output is correct
38 Correct 14 ms 22100 KB Output is correct
39 Correct 14 ms 22148 KB Output is correct
40 Correct 17 ms 21716 KB Output is correct
41 Correct 17 ms 21748 KB Output is correct
42 Correct 13 ms 21716 KB Output is correct
43 Correct 15 ms 21972 KB Output is correct
44 Correct 14 ms 22072 KB Output is correct
45 Correct 16 ms 21992 KB Output is correct
46 Correct 14 ms 22612 KB Output is correct
47 Correct 15 ms 22516 KB Output is correct
48 Correct 14 ms 22384 KB Output is correct
49 Correct 15 ms 22508 KB Output is correct
50 Correct 14 ms 22228 KB Output is correct
51 Correct 13 ms 22276 KB Output is correct
52 Correct 14 ms 22328 KB Output is correct
53 Correct 16 ms 22388 KB Output is correct
54 Correct 17 ms 22612 KB Output is correct
55 Correct 22 ms 23408 KB Output is correct
56 Correct 49 ms 28724 KB Output is correct
57 Correct 78 ms 34344 KB Output is correct
58 Correct 95 ms 38132 KB Output is correct
59 Correct 124 ms 43684 KB Output is correct
60 Correct 158 ms 49484 KB Output is correct
61 Correct 179 ms 53312 KB Output is correct
62 Correct 199 ms 57148 KB Output is correct
63 Correct 260 ms 64964 KB Output is correct
64 Correct 259 ms 65740 KB Output is correct
65 Correct 113 ms 41488 KB Output is correct
66 Correct 111 ms 41628 KB Output is correct
67 Correct 106 ms 41668 KB Output is correct
68 Correct 202 ms 57872 KB Output is correct
69 Correct 227 ms 58176 KB Output is correct
70 Correct 223 ms 58272 KB Output is correct
71 Correct 276 ms 102328 KB Output is correct
72 Correct 280 ms 101740 KB Output is correct
73 Correct 284 ms 88968 KB Output is correct
74 Correct 272 ms 89116 KB Output is correct
75 Correct 289 ms 88448 KB Output is correct
76 Correct 269 ms 88744 KB Output is correct
77 Correct 304 ms 86600 KB Output is correct
78 Correct 318 ms 83788 KB Output is correct
79 Correct 329 ms 88376 KB Output is correct