oj.uz

Submission #1002223

# Submission time Handle Problem Language Result Execution time Memory
1002223 2024-06-19T11:05:54 Z dimashhh Fireworks (APIO16_fireworks) C++17
55 / 100
 2000 ms 47340 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].empty() < (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 35164 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 5 ms 35164 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 5 ms 35164 KB Output is correct
6 Correct 5 ms 35164 KB Output is correct
7 Correct 5 ms 35160 KB Output is correct
8 Correct 5 ms 35164 KB Output is correct
9 Correct 5 ms 35164 KB Output is correct
10 Correct 5 ms 35164 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 35164 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 6 ms 35276 KB Output is correct
4 Correct 5 ms 35280 KB Output is correct
5 Correct 5 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 7 ms 35164 KB Output is correct
9 Correct 5 ms 35248 KB Output is correct
10 Correct 6 ms 35164 KB Output is correct
11 Correct 5 ms 35308 KB Output is correct
12 Correct 5 ms 35164 KB Output is correct
13 Correct 5 ms 35164 KB Output is correct
14 Correct 5 ms 35164 KB Output is correct
15 Correct 5 ms 35320 KB Output is correct
16 Correct 5 ms 35164 KB Output is correct
17 Correct 5 ms 35164 KB Output is correct
18 Correct 5 ms 35164 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 35164 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 5 ms 35164 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 5 ms 35164 KB Output is correct
6 Correct 5 ms 35164 KB Output is correct
7 Correct 5 ms 35160 KB Output is correct
8 Correct 5 ms 35164 KB Output is correct
9 Correct 5 ms 35164 KB Output is correct
10 Correct 5 ms 35164 KB Output is correct
11 Correct 5 ms 35164 KB Output is correct
12 Correct 5 ms 35164 KB Output is correct
13 Correct 6 ms 35276 KB Output is correct
14 Correct 5 ms 35280 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 35164 KB Output is correct
18 Correct 7 ms 35164 KB Output is correct
19 Correct 5 ms 35248 KB Output is correct
20 Correct 6 ms 35164 KB Output is correct
21 Correct 5 ms 35308 KB Output is correct
22 Correct 5 ms 35164 KB Output is correct
23 Correct 5 ms 35164 KB Output is correct
24 Correct 5 ms 35164 KB Output is correct
25 Correct 5 ms 35320 KB Output is correct
26 Correct 5 ms 35164 KB Output is correct
27 Correct 5 ms 35164 KB Output is correct
28 Correct 5 ms 35164 KB Output is correct
29 Correct 5 ms 35160 KB Output is correct
30 Correct 5 ms 35280 KB Output is correct
31 Correct 6 ms 35164 KB Output is correct
32 Correct 7 ms 35416 KB Output is correct
33 Correct 8 ms 35496 KB Output is correct
34 Correct 9 ms 35484 KB Output is correct
35 Correct 13 ms 35420 KB Output is correct
36 Correct 12 ms 35420 KB Output is correct
37 Correct 13 ms 35576 KB Output is correct
38 Correct 20 ms 35676 KB Output is correct
39 Correct 13 ms 35676 KB Output is correct
40 Correct 6 ms 35928 KB Output is correct
41 Correct 6 ms 35832 KB Output is correct
42 Correct 6 ms 35532 KB Output is correct
43 Correct 161 ms 35844 KB Output is correct
44 Correct 177 ms 35672 KB Output is correct
45 Correct 168 ms 35676 KB Output is correct
46 Correct 47 ms 35668 KB Output is correct
47 Correct 69 ms 36176 KB Output is correct
48 Correct 374 ms 35804 KB Output is correct
49 Correct 438 ms 36188 KB Output is correct
50 Correct 783 ms 35920 KB Output is correct
51 Correct 806 ms 35928 KB Output is correct
52 Correct 536 ms 35920 KB Output is correct
53 Correct 387 ms 35688 KB Output is correct
54 Correct 1481 ms 36160 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 35164 KB Output is correct
2 Correct 5 ms 35164 KB Output is correct
3 Correct 5 ms 35164 KB Output is correct
4 Correct 5 ms 35164 KB Output is correct
5 Correct 5 ms 35164 KB Output is correct
6 Correct 5 ms 35164 KB Output is correct
7 Correct 5 ms 35160 KB Output is correct
8 Correct 5 ms 35164 KB Output is correct
9 Correct 5 ms 35164 KB Output is correct
10 Correct 5 ms 35164 KB Output is correct
11 Correct 5 ms 35164 KB Output is correct
12 Correct 5 ms 35164 KB Output is correct
13 Correct 6 ms 35276 KB Output is correct
14 Correct 5 ms 35280 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 35164 KB Output is correct
18 Correct 7 ms 35164 KB Output is correct
19 Correct 5 ms 35248 KB Output is correct
20 Correct 6 ms 35164 KB Output is correct
21 Correct 5 ms 35308 KB Output is correct
22 Correct 5 ms 35164 KB Output is correct
23 Correct 5 ms 35164 KB Output is correct
24 Correct 5 ms 35164 KB Output is correct
25 Correct 5 ms 35320 KB Output is correct
26 Correct 5 ms 35164 KB Output is correct
27 Correct 5 ms 35164 KB Output is correct
28 Correct 5 ms 35164 KB Output is correct
29 Correct 5 ms 35160 KB Output is correct
30 Correct 5 ms 35280 KB Output is correct
31 Correct 6 ms 35164 KB Output is correct
32 Correct 7 ms 35416 KB Output is correct
33 Correct 8 ms 35496 KB Output is correct
34 Correct 9 ms 35484 KB Output is correct
35 Correct 13 ms 35420 KB Output is correct
36 Correct 12 ms 35420 KB Output is correct
37 Correct 13 ms 35576 KB Output is correct
38 Correct 20 ms 35676 KB Output is correct
39 Correct 13 ms 35676 KB Output is correct
40 Correct 6 ms 35928 KB Output is correct
41 Correct 6 ms 35832 KB Output is correct
42 Correct 6 ms 35532 KB Output is correct
43 Correct 161 ms 35844 KB Output is correct
44 Correct 177 ms 35672 KB Output is correct
45 Correct 168 ms 35676 KB Output is correct
46 Correct 47 ms 35668 KB Output is correct
47 Correct 69 ms 36176 KB Output is correct
48 Correct 374 ms 35804 KB Output is correct
49 Correct 438 ms 36188 KB Output is correct
50 Correct 783 ms 35920 KB Output is correct
51 Correct 806 ms 35928 KB Output is correct
52 Correct 536 ms 35920 KB Output is correct
53 Correct 387 ms 35688 KB Output is correct
54 Correct 1481 ms 36160 KB Output is correct
55 Correct 38 ms 36180 KB Output is correct
56 Correct 415 ms 38888 KB Output is correct
57 Correct 872 ms 43544 KB Output is correct
58 Correct 1052 ms 47232 KB Output is correct
59 Execution timed out 2024 ms 47340 KB Time limit exceeded
60 Halted 0 ms 0 KB -