oj.uz

Submission #1002226

# Submission time Handle Problem Language Result Execution time Memory
1002226 2024-06-19T11:07:31 Z dimashhh Fireworks (APIO16_fireworks) C++17
100 / 100
 285 ms 81488 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
 
const int  N = 4e5 + 30, MOD = 1e9 + 7;
int n,m;
vector<pair<int,int>> g[N];
multiset<ll> st[N];
ll h[N],l[N],r[N];
int mx[N];
void merge(int v,int to){
    if((int)st[v].size() < (int)st[to].size()){
        st[v].swap(st[to]);
        swap(mx[v],mx[to]);
        swap(l[v],l[to]);
        swap(r[v],r[to]);
    }
    mx[v]+=mx[to];
    for(ll j:st[to]){
        st[v].insert(j);
    }
    st[to].clear();
}
void dfs(int v,int W = 0){
    if(g[v].empty()){
        st[v].insert(W);
        st[v].insert(W);
        mx[v] = 1;
        h[v] = 0;
        l[v] = r[v] = W;
        return;
    }
    for(auto [to,w]:g[v]){
        dfs(to,w);
        merge(v,to);
    }
    assert(mx[v] == (int)g[v].size());
    while(mx[v] > 1){
        mx[v]--;
        st[v].erase(st[v].find(*st[v].rbegin()));
    }
    ll x = (*st[v].rbegin());
    st[v].erase(st[v].find(*st[v].rbegin()));
    ll y = (*st[v].rbegin());
    st[v].erase(st[v].find(*st[v].rbegin()));
    st[v].insert(x + W);
    st[v].insert(y + W);
    r[v] = (*st[v].rbegin());
    l[v] = (*(++(st[v].rbegin())));
}
ll E = 0;
void test(){
    cin >> n >> m;
    for(int i = 2;i <= n + m;i++){
        int a,b;
        cin >> a >> b;
        g[a].push_back({i,b});
        E += b;
    }
    dfs(1);
    st[1].erase(--st[1].end());
    ll H = 0;
    for(ll i:st[1]){
        E -= i;
    }
    cout << E << '\n';
}
signed main() {
    ios_base::sync_with_stdio(false);cin.tie(0);
    int t = 1;
    // cin >> t;
    while(t--){
        test();
    }
}

Compilation message

fireworks.cpp: In function 'void test()':
fireworks.cpp:64:8: warning: unused variable 'H' [-Wunused-variable]
   64 |     ll H = 0;
      |        ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 35160 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 6 ms 35164 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 7 ms 35164 KB Output is correct
6 Correct 5 ms 35164 KB Output is correct
7 Correct 5 ms 35164 KB Output is correct
8 Correct 5 ms 35164 KB Output is correct
9 Correct 5 ms 35164 KB Output is correct
10 Correct 7 ms 35164 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 35164 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 5 ms 35284 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 6 ms 35164 KB Output is correct
6 Correct 7 ms 35164 KB Output is correct
7 Correct 5 ms 35256 KB Output is correct
8 Correct 6 ms 35164 KB Output is correct
9 Correct 7 ms 35164 KB Output is correct
10 Correct 5 ms 35272 KB Output is correct
11 Correct 5 ms 35164 KB Output is correct
12 Correct 6 ms 35164 KB Output is correct
13 Correct 6 ms 35164 KB Output is correct
14 Correct 5 ms 35164 KB Output is correct
15 Correct 5 ms 35164 KB Output is correct
16 Correct 5 ms 35164 KB Output is correct
17 Correct 5 ms 35160 KB Output is correct
18 Correct 5 ms 35160 KB Output is correct
19 Correct 5 ms 35160 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 35160 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 6 ms 35164 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 7 ms 35164 KB Output is correct
6 Correct 5 ms 35164 KB Output is correct
7 Correct 5 ms 35164 KB Output is correct
8 Correct 5 ms 35164 KB Output is correct
9 Correct 5 ms 35164 KB Output is correct
10 Correct 7 ms 35164 KB Output is correct
11 Correct 6 ms 35164 KB Output is correct
12 Correct 5 ms 35164 KB Output is correct
13 Correct 5 ms 35284 KB Output is correct
14 Correct 5 ms 35164 KB Output is correct
15 Correct 6 ms 35164 KB Output is correct
16 Correct 7 ms 35164 KB Output is correct
17 Correct 5 ms 35256 KB Output is correct
18 Correct 6 ms 35164 KB Output is correct
19 Correct 7 ms 35164 KB Output is correct
20 Correct 5 ms 35272 KB Output is correct
21 Correct 5 ms 35164 KB Output is correct
22 Correct 6 ms 35164 KB Output is correct
23 Correct 6 ms 35164 KB Output is correct
24 Correct 5 ms 35164 KB Output is correct
25 Correct 5 ms 35164 KB Output is correct
26 Correct 5 ms 35164 KB Output is correct
27 Correct 5 ms 35160 KB Output is correct
28 Correct 5 ms 35160 KB Output is correct
29 Correct 5 ms 35160 KB Output is correct
30 Correct 5 ms 35164 KB Output is correct
31 Correct 6 ms 35164 KB Output is correct
32 Correct 5 ms 35160 KB Output is correct
33 Correct 5 ms 35420 KB Output is correct
34 Correct 5 ms 35672 KB Output is correct
35 Correct 7 ms 35416 KB Output is correct
36 Correct 6 ms 35416 KB Output is correct
37 Correct 7 ms 35496 KB Output is correct
38 Correct 6 ms 35420 KB Output is correct
39 Correct 7 ms 35420 KB Output is correct
40 Correct 6 ms 35932 KB Output is correct
41 Correct 6 ms 35932 KB Output is correct
42 Correct 6 ms 35456 KB Output is correct
43 Correct 6 ms 35676 KB Output is correct
44 Correct 7 ms 35672 KB Output is correct
45 Correct 6 ms 35676 KB Output is correct
46 Correct 6 ms 35576 KB Output is correct
47 Correct 7 ms 35420 KB Output is correct
48 Correct 7 ms 35420 KB Output is correct
49 Correct 7 ms 35676 KB Output is correct
50 Correct 6 ms 35676 KB Output is correct
51 Correct 6 ms 35676 KB Output is correct
52 Correct 7 ms 35420 KB Output is correct
53 Correct 7 ms 35420 KB Output is correct
54 Correct 7 ms 35672 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 35160 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 6 ms 35164 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 7 ms 35164 KB Output is correct
6 Correct 5 ms 35164 KB Output is correct
7 Correct 5 ms 35164 KB Output is correct
8 Correct 5 ms 35164 KB Output is correct
9 Correct 5 ms 35164 KB Output is correct
10 Correct 7 ms 35164 KB Output is correct
11 Correct 6 ms 35164 KB Output is correct
12 Correct 5 ms 35164 KB Output is correct
13 Correct 5 ms 35284 KB Output is correct
14 Correct 5 ms 35164 KB Output is correct
15 Correct 6 ms 35164 KB Output is correct
16 Correct 7 ms 35164 KB Output is correct
17 Correct 5 ms 35256 KB Output is correct
18 Correct 6 ms 35164 KB Output is correct
19 Correct 7 ms 35164 KB Output is correct
20 Correct 5 ms 35272 KB Output is correct
21 Correct 5 ms 35164 KB Output is correct
22 Correct 6 ms 35164 KB Output is correct
23 Correct 6 ms 35164 KB Output is correct
24 Correct 5 ms 35164 KB Output is correct
25 Correct 5 ms 35164 KB Output is correct
26 Correct 5 ms 35164 KB Output is correct
27 Correct 5 ms 35160 KB Output is correct
28 Correct 5 ms 35160 KB Output is correct
29 Correct 5 ms 35160 KB Output is correct
30 Correct 5 ms 35164 KB Output is correct
31 Correct 6 ms 35164 KB Output is correct
32 Correct 5 ms 35160 KB Output is correct
33 Correct 5 ms 35420 KB Output is correct
34 Correct 5 ms 35672 KB Output is correct
35 Correct 7 ms 35416 KB Output is correct
36 Correct 6 ms 35416 KB Output is correct
37 Correct 7 ms 35496 KB Output is correct
38 Correct 6 ms 35420 KB Output is correct
39 Correct 7 ms 35420 KB Output is correct
40 Correct 6 ms 35932 KB Output is correct
41 Correct 6 ms 35932 KB Output is correct
42 Correct 6 ms 35456 KB Output is correct
43 Correct 6 ms 35676 KB Output is correct
44 Correct 7 ms 35672 KB Output is correct
45 Correct 6 ms 35676 KB Output is correct
46 Correct 6 ms 35576 KB Output is correct
47 Correct 7 ms 35420 KB Output is correct
48 Correct 7 ms 35420 KB Output is correct
49 Correct 7 ms 35676 KB Output is correct
50 Correct 6 ms 35676 KB Output is correct
51 Correct 6 ms 35676 KB Output is correct
52 Correct 7 ms 35420 KB Output is correct
53 Correct 7 ms 35420 KB Output is correct
54 Correct 7 ms 35672 KB Output is correct
55 Correct 11 ms 35928 KB Output is correct
56 Correct 25 ms 37464 KB Output is correct
57 Correct 42 ms 40908 KB Output is correct
58 Correct 56 ms 44116 KB Output is correct
59 Correct 85 ms 43604 KB Output is correct
60 Correct 122 ms 47440 KB Output is correct
61 Correct 106 ms 49236 KB Output is correct
62 Correct 124 ms 53072 KB Output is correct
63 Correct 211 ms 55232 KB Output is correct
64 Correct 193 ms 55124 KB Output is correct
65 Correct 90 ms 81488 KB Output is correct
66 Correct 97 ms 81488 KB Output is correct
67 Correct 94 ms 53332 KB Output is correct
68 Correct 129 ms 70092 KB Output is correct
69 Correct 161 ms 68436 KB Output is correct
70 Correct 186 ms 68436 KB Output is correct
71 Correct 203 ms 61228 KB Output is correct
72 Correct 204 ms 61400 KB Output is correct
73 Correct 265 ms 60644 KB Output is correct
74 Correct 191 ms 61008 KB Output is correct
75 Correct 198 ms 60200 KB Output is correct
76 Correct 239 ms 60272 KB Output is correct
77 Correct 230 ms 60236 KB Output is correct
78 Correct 283 ms 60872 KB Output is correct
79 Correct 285 ms 73568 KB Output is correct