oj.uz

Submission #470554

# Submission time Handle Problem Language Result Execution time Memory
470554 2021-09-04T08:56:25 Z BThero Fireworks (APIO16_fireworks) C++17
55 / 100
 101 ms 17272 KB 
#include <bits/stdc++.h>

#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

using namespace std;

typedef long long ll;

const int MAXN = (int)1e5 + 5;

ll h0[MAXN], a0[MAXN];
priority_queue<ll> S[MAXN];
int par[MAXN], edge_len[MAXN];
vector<int> adj[MAXN];
int n, m;

int main() {
    cin >> n >> m;

    for (int i = 2; i <= n + m; i++) {
        cin >> par[i] >> edge_len[i];
        adj[par[i]].push_back(i);
    }

    for (int v = n + m; v > n; v--) {
        h0[v] = edge_len[v];
        a0[v] = -1;
        S[v].push(edge_len[v]);
        S[v].push(edge_len[v]);
    }

    for (int v = n; v > 0; v--) {
        for (int to : adj[v]) {
            h0[v] += h0[to];
            a0[v] += a0[to];

            if (sz(S[to]) > sz(S[v])) {
                S[v].swap(S[to]);
            }

            while (!S[to].empty()) {
                S[v].push(S[to].top());
                S[to].pop();
            }
        }

        while (!S[v].empty() && a0[v] + sz(S[v]) > 1) {
            S[v].pop();
        }
        
        h0[v] += edge_len[v];
        ll P = S[v].top();
        S[v].pop();
        ll Q = S[v].top();
        S[v].pop();
        S[v].push(Q + edge_len[v]);
        S[v].push(P + edge_len[v]);
    }

    vector<ll> slopes;

    while (!S[1].empty()) {
        slopes.push_back(S[1].top());
        S[1].pop();
    }

    reverse(all(slopes));
    ll val = h0[1], slope = a0[1], pos = 0;

    for (ll pt : slopes) {
        val += (pt - pos) * slope;
        pos = pt;
        slope++;
        if (slope == 0) break;
    }

    cout << val << endl;
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5708 KB Output is correct
2 Correct 3 ms 5708 KB Output is correct
3 Correct 3 ms 5708 KB Output is correct
4 Correct 3 ms 5708 KB Output is correct
5 Correct 3 ms 5708 KB Output is correct
6 Correct 4 ms 5708 KB Output is correct
7 Correct 3 ms 5708 KB Output is correct
8 Correct 4 ms 5708 KB Output is correct
9 Correct 4 ms 5708 KB Output is correct
10 Correct 3 ms 5708 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5708 KB Output is correct
2 Correct 4 ms 5708 KB Output is correct
3 Correct 3 ms 5708 KB Output is correct
4 Correct 4 ms 5708 KB Output is correct
5 Correct 3 ms 5708 KB Output is correct
6 Correct 4 ms 5708 KB Output is correct
7 Correct 4 ms 5708 KB Output is correct
8 Correct 4 ms 5708 KB Output is correct
9 Correct 4 ms 5708 KB Output is correct
10 Correct 4 ms 5708 KB Output is correct
11 Correct 3 ms 5708 KB Output is correct
12 Correct 4 ms 5708 KB Output is correct
13 Correct 5 ms 5708 KB Output is correct
14 Correct 4 ms 5708 KB Output is correct
15 Correct 4 ms 5708 KB Output is correct
16 Correct 4 ms 5708 KB Output is correct
17 Correct 4 ms 5708 KB Output is correct
18 Correct 4 ms 5708 KB Output is correct
19 Correct 4 ms 5708 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5708 KB Output is correct
2 Correct 3 ms 5708 KB Output is correct
3 Correct 3 ms 5708 KB Output is correct
4 Correct 3 ms 5708 KB Output is correct
5 Correct 3 ms 5708 KB Output is correct
6 Correct 4 ms 5708 KB Output is correct
7 Correct 3 ms 5708 KB Output is correct
8 Correct 4 ms 5708 KB Output is correct
9 Correct 4 ms 5708 KB Output is correct
10 Correct 3 ms 5708 KB Output is correct
11 Correct 3 ms 5708 KB Output is correct
12 Correct 4 ms 5708 KB Output is correct
13 Correct 3 ms 5708 KB Output is correct
14 Correct 4 ms 5708 KB Output is correct
15 Correct 3 ms 5708 KB Output is correct
16 Correct 4 ms 5708 KB Output is correct
17 Correct 4 ms 5708 KB Output is correct
18 Correct 4 ms 5708 KB Output is correct
19 Correct 4 ms 5708 KB Output is correct
20 Correct 4 ms 5708 KB Output is correct
21 Correct 3 ms 5708 KB Output is correct
22 Correct 4 ms 5708 KB Output is correct
23 Correct 5 ms 5708 KB Output is correct
24 Correct 4 ms 5708 KB Output is correct
25 Correct 4 ms 5708 KB Output is correct
26 Correct 4 ms 5708 KB Output is correct
27 Correct 4 ms 5708 KB Output is correct
28 Correct 4 ms 5708 KB Output is correct
29 Correct 4 ms 5708 KB Output is correct
30 Correct 4 ms 5708 KB Output is correct
31 Correct 4 ms 5836 KB Output is correct
32 Correct 5 ms 5836 KB Output is correct
33 Correct 6 ms 5964 KB Output is correct
34 Correct 7 ms 5928 KB Output is correct
35 Correct 7 ms 5960 KB Output is correct
36 Correct 8 ms 6004 KB Output is correct
37 Correct 8 ms 6092 KB Output is correct
38 Correct 8 ms 6092 KB Output is correct
39 Correct 8 ms 6092 KB Output is correct
40 Correct 7 ms 5964 KB Output is correct
41 Correct 7 ms 5964 KB Output is correct
42 Correct 7 ms 6048 KB Output is correct
43 Correct 10 ms 6092 KB Output is correct
44 Correct 8 ms 6048 KB Output is correct
45 Correct 9 ms 6092 KB Output is correct
46 Correct 11 ms 6264 KB Output is correct
47 Correct 9 ms 6220 KB Output is correct
48 Correct 8 ms 6216 KB Output is correct
49 Correct 9 ms 6220 KB Output is correct
50 Correct 8 ms 6092 KB Output is correct
51 Correct 7 ms 6092 KB Output is correct
52 Correct 8 ms 6192 KB Output is correct
53 Correct 8 ms 6212 KB Output is correct
54 Correct 8 ms 6304 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5708 KB Output is correct
2 Correct 3 ms 5708 KB Output is correct
3 Correct 3 ms 5708 KB Output is correct
4 Correct 3 ms 5708 KB Output is correct
5 Correct 3 ms 5708 KB Output is correct
6 Correct 4 ms 5708 KB Output is correct
7 Correct 3 ms 5708 KB Output is correct
8 Correct 4 ms 5708 KB Output is correct
9 Correct 4 ms 5708 KB Output is correct
10 Correct 3 ms 5708 KB Output is correct
11 Correct 3 ms 5708 KB Output is correct
12 Correct 4 ms 5708 KB Output is correct
13 Correct 3 ms 5708 KB Output is correct
14 Correct 4 ms 5708 KB Output is correct
15 Correct 3 ms 5708 KB Output is correct
16 Correct 4 ms 5708 KB Output is correct
17 Correct 4 ms 5708 KB Output is correct
18 Correct 4 ms 5708 KB Output is correct
19 Correct 4 ms 5708 KB Output is correct
20 Correct 4 ms 5708 KB Output is correct
21 Correct 3 ms 5708 KB Output is correct
22 Correct 4 ms 5708 KB Output is correct
23 Correct 5 ms 5708 KB Output is correct
24 Correct 4 ms 5708 KB Output is correct
25 Correct 4 ms 5708 KB Output is correct
26 Correct 4 ms 5708 KB Output is correct
27 Correct 4 ms 5708 KB Output is correct
28 Correct 4 ms 5708 KB Output is correct
29 Correct 4 ms 5708 KB Output is correct
30 Correct 4 ms 5708 KB Output is correct
31 Correct 4 ms 5836 KB Output is correct
32 Correct 5 ms 5836 KB Output is correct
33 Correct 6 ms 5964 KB Output is correct
34 Correct 7 ms 5928 KB Output is correct
35 Correct 7 ms 5960 KB Output is correct
36 Correct 8 ms 6004 KB Output is correct
37 Correct 8 ms 6092 KB Output is correct
38 Correct 8 ms 6092 KB Output is correct
39 Correct 8 ms 6092 KB Output is correct
40 Correct 7 ms 5964 KB Output is correct
41 Correct 7 ms 5964 KB Output is correct
42 Correct 7 ms 6048 KB Output is correct
43 Correct 10 ms 6092 KB Output is correct
44 Correct 8 ms 6048 KB Output is correct
45 Correct 9 ms 6092 KB Output is correct
46 Correct 11 ms 6264 KB Output is correct
47 Correct 9 ms 6220 KB Output is correct
48 Correct 8 ms 6216 KB Output is correct
49 Correct 9 ms 6220 KB Output is correct
50 Correct 8 ms 6092 KB Output is correct
51 Correct 7 ms 6092 KB Output is correct
52 Correct 8 ms 6192 KB Output is correct
53 Correct 8 ms 6212 KB Output is correct
54 Correct 8 ms 6304 KB Output is correct
55 Correct 17 ms 6732 KB Output is correct
56 Correct 61 ms 10048 KB Output is correct
57 Correct 101 ms 12524 KB Output is correct
58 Runtime error 96 ms 17272 KB Execution killed with signal 11
59 Halted 0 ms 0 KB -