oj.uz

Submission #97564

# Submission time Handle Problem Language Result Execution time Memory
97564 2019-02-17T07:55:21 Z oolimry Fireworks (APIO16_fireworks) C++14
100 / 100
 416 ms 68768 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, long long> ii;
vector<ii> adj[300005];
long long val[300005];
long long pw[300005];
priority_queue<long long> pq[300005];
void dfs(int u){
    if(adj[u].size() == 0){
        pq[u].push(pw[u]);
        pq[u].push(pw[u]);
        val[u] = 0;
        return;
    }
    long long highest = 0;
    for(long long i = 0;i < adj[u].size();i++){
        int v = adj[u][i].first;
        long long w = adj[u][i].second;
        dfs(v);
        if(pq[u].empty())
            highest += val[v];
        else if(pq[u].top() > pq[v].top())
            highest += val[v] + abs(pq[v].top() - pq[u].top());
        else
            highest += val[v] + (i) * abs(pq[v].top() - pq[u].top());
        if(pq[v].size() > pq[u].size()) swap(pq[v],pq[u]);
        while(!pq[v].empty()){
            pq[u].push(pq[v].top());
            pq[v].pop();
        }
    }
    long long flatr;
    ///flatening out the line
    for(long long i = 0;i < adj[u].size();i++){
        flatr = pq[u].top();
        pq[u].pop();
        highest -= (adj[u].size() - i-1) * abs(flatr - pq[u].top());
    }
    val[u] = highest;
    long long flatl = pq[u].top();
    pq[u].pop();
    pq[u].push(pw[u] + flatl);
    pq[u].push(pw[u] + flatr);
}
int main()
{
    //freopen("i.txt","r",stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    n += m;
    for(int i = 1;i < n;i++){
        long long a, b;
        cin >> a >> b;
        adj[a-1].push_back(ii(i,b));
        pw[i] = b;
    }
    pw[0] = 0;
    fill(val,val+n,0);
    dfs(0);
    cout << val[0];
    return 0;
}

Compilation message

fireworks.cpp: In function 'void dfs(int)':
fireworks.cpp:16:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(long long i = 0;i < adj[u].size();i++){
                         ~~^~~~~~~~~~~~~~~
fireworks.cpp:18:19: warning: unused variable 'w' [-Wunused-variable]
         long long w = adj[u][i].second;
                   ^
fireworks.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(long long i = 0;i < adj[u].size();i++){
                         ~~^~~~~~~~~~~~~~~
fireworks.cpp:43:22: warning: 'flatr' may be used uninitialized in this function [-Wmaybe-uninitialized]
     pq[u].push(pw[u] + flatr);
                ~~~~~~^~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 16896 KB Output is correct
2 Correct 17 ms 16768 KB Output is correct
3 Correct 17 ms 16868 KB Output is correct
4 Correct 18 ms 16768 KB Output is correct
5 Correct 21 ms 16768 KB Output is correct
6 Correct 20 ms 16768 KB Output is correct
7 Correct 23 ms 16760 KB Output is correct
8 Correct 22 ms 16768 KB Output is correct
9 Correct 20 ms 16892 KB Output is correct
10 Correct 17 ms 16768 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 17016 KB Output is correct
2 Correct 20 ms 16768 KB Output is correct
3 Correct 20 ms 16760 KB Output is correct
4 Correct 18 ms 16768 KB Output is correct
5 Correct 19 ms 16768 KB Output is correct
6 Correct 21 ms 16812 KB Output is correct
7 Correct 20 ms 16768 KB Output is correct
8 Correct 15 ms 16768 KB Output is correct
9 Correct 19 ms 16768 KB Output is correct
10 Correct 20 ms 16768 KB Output is correct
11 Correct 19 ms 16896 KB Output is correct
12 Correct 19 ms 16768 KB Output is correct
13 Correct 20 ms 16860 KB Output is correct
14 Correct 19 ms 16768 KB Output is correct
15 Correct 19 ms 16768 KB Output is correct
16 Correct 21 ms 16888 KB Output is correct
17 Correct 19 ms 16896 KB Output is correct
18 Correct 21 ms 16768 KB Output is correct
19 Correct 22 ms 16896 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 16896 KB Output is correct
2 Correct 17 ms 16768 KB Output is correct
3 Correct 17 ms 16868 KB Output is correct
4 Correct 18 ms 16768 KB Output is correct
5 Correct 21 ms 16768 KB Output is correct
6 Correct 20 ms 16768 KB Output is correct
7 Correct 23 ms 16760 KB Output is correct
8 Correct 22 ms 16768 KB Output is correct
9 Correct 20 ms 16892 KB Output is correct
10 Correct 17 ms 16768 KB Output is correct
11 Correct 20 ms 17016 KB Output is correct
12 Correct 20 ms 16768 KB Output is correct
13 Correct 20 ms 16760 KB Output is correct
14 Correct 18 ms 16768 KB Output is correct
15 Correct 19 ms 16768 KB Output is correct
16 Correct 21 ms 16812 KB Output is correct
17 Correct 20 ms 16768 KB Output is correct
18 Correct 15 ms 16768 KB Output is correct
19 Correct 19 ms 16768 KB Output is correct
20 Correct 20 ms 16768 KB Output is correct
21 Correct 19 ms 16896 KB Output is correct
22 Correct 19 ms 16768 KB Output is correct
23 Correct 20 ms 16860 KB Output is correct
24 Correct 19 ms 16768 KB Output is correct
25 Correct 19 ms 16768 KB Output is correct
26 Correct 21 ms 16888 KB Output is correct
27 Correct 19 ms 16896 KB Output is correct
28 Correct 21 ms 16768 KB Output is correct
29 Correct 22 ms 16896 KB Output is correct
30 Correct 21 ms 17024 KB Output is correct
31 Correct 15 ms 16768 KB Output is correct
32 Correct 21 ms 16944 KB Output is correct
33 Correct 20 ms 17024 KB Output is correct
34 Correct 23 ms 17024 KB Output is correct
35 Correct 25 ms 17024 KB Output is correct
36 Correct 25 ms 17144 KB Output is correct
37 Correct 22 ms 17144 KB Output is correct
38 Correct 26 ms 17196 KB Output is correct
39 Correct 24 ms 17280 KB Output is correct
40 Correct 22 ms 17664 KB Output is correct
41 Correct 24 ms 17784 KB Output is correct
42 Correct 20 ms 17152 KB Output is correct
43 Correct 23 ms 17408 KB Output is correct
44 Correct 26 ms 17408 KB Output is correct
45 Correct 21 ms 17408 KB Output is correct
46 Correct 20 ms 17340 KB Output is correct
47 Correct 26 ms 17408 KB Output is correct
48 Correct 25 ms 17280 KB Output is correct
49 Correct 21 ms 17272 KB Output is correct
50 Correct 22 ms 17152 KB Output is correct
51 Correct 21 ms 17152 KB Output is correct
52 Correct 23 ms 17152 KB Output is correct
53 Correct 19 ms 17280 KB Output is correct
54 Correct 25 ms 17280 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 16896 KB Output is correct
2 Correct 17 ms 16768 KB Output is correct
3 Correct 17 ms 16868 KB Output is correct
4 Correct 18 ms 16768 KB Output is correct
5 Correct 21 ms 16768 KB Output is correct
6 Correct 20 ms 16768 KB Output is correct
7 Correct 23 ms 16760 KB Output is correct
8 Correct 22 ms 16768 KB Output is correct
9 Correct 20 ms 16892 KB Output is correct
10 Correct 17 ms 16768 KB Output is correct
11 Correct 20 ms 17016 KB Output is correct
12 Correct 20 ms 16768 KB Output is correct
13 Correct 20 ms 16760 KB Output is correct
14 Correct 18 ms 16768 KB Output is correct
15 Correct 19 ms 16768 KB Output is correct
16 Correct 21 ms 16812 KB Output is correct
17 Correct 20 ms 16768 KB Output is correct
18 Correct 15 ms 16768 KB Output is correct
19 Correct 19 ms 16768 KB Output is correct
20 Correct 20 ms 16768 KB Output is correct
21 Correct 19 ms 16896 KB Output is correct
22 Correct 19 ms 16768 KB Output is correct
23 Correct 20 ms 16860 KB Output is correct
24 Correct 19 ms 16768 KB Output is correct
25 Correct 19 ms 16768 KB Output is correct
26 Correct 21 ms 16888 KB Output is correct
27 Correct 19 ms 16896 KB Output is correct
28 Correct 21 ms 16768 KB Output is correct
29 Correct 22 ms 16896 KB Output is correct
30 Correct 21 ms 17024 KB Output is correct
31 Correct 15 ms 16768 KB Output is correct
32 Correct 21 ms 16944 KB Output is correct
33 Correct 20 ms 17024 KB Output is correct
34 Correct 23 ms 17024 KB Output is correct
35 Correct 25 ms 17024 KB Output is correct
36 Correct 25 ms 17144 KB Output is correct
37 Correct 22 ms 17144 KB Output is correct
38 Correct 26 ms 17196 KB Output is correct
39 Correct 24 ms 17280 KB Output is correct
40 Correct 22 ms 17664 KB Output is correct
41 Correct 24 ms 17784 KB Output is correct
42 Correct 20 ms 17152 KB Output is correct
43 Correct 23 ms 17408 KB Output is correct
44 Correct 26 ms 17408 KB Output is correct
45 Correct 21 ms 17408 KB Output is correct
46 Correct 20 ms 17340 KB Output is correct
47 Correct 26 ms 17408 KB Output is correct
48 Correct 25 ms 17280 KB Output is correct
49 Correct 21 ms 17272 KB Output is correct
50 Correct 22 ms 17152 KB Output is correct
51 Correct 21 ms 17152 KB Output is correct
52 Correct 23 ms 17152 KB Output is correct
53 Correct 19 ms 17280 KB Output is correct
54 Correct 25 ms 17280 KB Output is correct
55 Correct 31 ms 17912 KB Output is correct
56 Correct 79 ms 21052 KB Output is correct
57 Correct 106 ms 23924 KB Output is correct
58 Correct 132 ms 25964 KB Output is correct
59 Correct 187 ms 29004 KB Output is correct
60 Correct 231 ms 31996 KB Output is correct
61 Correct 325 ms 34508 KB Output is correct
62 Correct 388 ms 36252 KB Output is correct
63 Correct 409 ms 39840 KB Output is correct
64 Correct 416 ms 40812 KB Output is correct
65 Correct 152 ms 68768 KB Output is correct
66 Correct 155 ms 68676 KB Output is correct
67 Correct 191 ms 35916 KB Output is correct
68 Correct 232 ms 55920 KB Output is correct
69 Correct 362 ms 53740 KB Output is correct
70 Correct 311 ms 53740 KB Output is correct
71 Correct 251 ms 53504 KB Output is correct
72 Correct 308 ms 53936 KB Output is correct
73 Correct 223 ms 49248 KB Output is correct
74 Correct 245 ms 49504 KB Output is correct
75 Correct 209 ms 47716 KB Output is correct
76 Correct 240 ms 47716 KB Output is correct
77 Correct 228 ms 47144 KB Output is correct
78 Correct 238 ms 45024 KB Output is correct
79 Correct 321 ms 46948 KB Output is correct