oj.uz

Submission #963868

# Submission time Handle Problem Language Result Execution time Memory
963868 2024-04-15T20:41:39 Z new_acc Fireworks (APIO16_fireworks) C++14
100 / 100
 296 ms 78512 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e6+10;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e16;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=2027865967;
const ll p=70032301;
const ull p2=913;
const int L=20;
int n,m;
ll t[N],t2[N];
vi graf[N];
multiset<ll>* dfs(int v){
    if(v>n){
        multiset<ll>* xd= new multiset<ll>;
        xd->insert(t[v]);
        xd->insert(t[v]);
        t2[v]=-t[v];
        return xd;
    } 
    multiset<ll>* c=nullptr;
    for(auto u:graf[v]){
        multiset<ll>* x=dfs(u);
        t2[v]+=t2[u];
        if(!c or c->size()<x->size()) swap(c,x); 
        while(x and x->size()){
            c->insert(*(x->begin()));
            x->erase(x->begin());
        }
        delete x;
    }
    for(int i=0;i<graf[v].size()-1;i++){
        auto it=c->end();
        it--;
        t2[v]+=*it;
        c->erase(it);
    }
    t2[v]-=t[v];
    auto it=c->end();
    it--;
    auto it2=c->end();
    it2--,it2--;
    ll v1=*it+t[v],v2=*it2+t[v];
    c->erase(it),c->erase(it2);
    c->insert(v1),c->insert(v2);
    return c;
}
void solve(){
    cin>>n>>m;
    for(int i=2;i<=n+m;i++){
        int a;
        cin>>a>>t[i];
        graf[a].push_back(i);
    }
    multiset<ll>* r=dfs(1);
    auto it=r->end();
    it--;
    cout<<t2[1]+*it<<"\n";
}
int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    int tt=1;
    while(tt--) solve();
}

Compilation message

fireworks.cpp: In function 'std::multiset<long long int>* dfs(int)':
fireworks.cpp:42:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for(int i=0;i<graf[v].size()-1;i++){
      |                 ~^~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 27228 KB Output is correct
2 Correct 6 ms 27228 KB Output is correct
3 Correct 6 ms 27228 KB Output is correct
4 Correct 6 ms 27316 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 8 ms 27484 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 7 ms 27228 KB Output is correct
10 Correct 7 ms 27228 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27236 KB Output is correct
2 Correct 7 ms 27228 KB Output is correct
3 Correct 6 ms 27228 KB Output is correct
4 Correct 6 ms 27228 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 6 ms 27228 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 7 ms 27740 KB Output is correct
9 Correct 7 ms 27264 KB Output is correct
10 Correct 6 ms 27228 KB Output is correct
11 Correct 6 ms 27228 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 7 ms 27308 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 7 ms 27228 KB Output is correct
17 Correct 6 ms 27228 KB Output is correct
18 Correct 6 ms 27228 KB Output is correct
19 Correct 6 ms 27228 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 27228 KB Output is correct
2 Correct 6 ms 27228 KB Output is correct
3 Correct 6 ms 27228 KB Output is correct
4 Correct 6 ms 27316 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 8 ms 27484 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 7 ms 27228 KB Output is correct
10 Correct 7 ms 27228 KB Output is correct
11 Correct 6 ms 27236 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 6 ms 27228 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27228 KB Output is correct
18 Correct 7 ms 27740 KB Output is correct
19 Correct 7 ms 27264 KB Output is correct
20 Correct 6 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct
23 Correct 7 ms 27308 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 6 ms 27228 KB Output is correct
26 Correct 7 ms 27228 KB Output is correct
27 Correct 6 ms 27228 KB Output is correct
28 Correct 6 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 6 ms 27480 KB Output is correct
31 Correct 7 ms 27236 KB Output is correct
32 Correct 6 ms 27480 KB Output is correct
33 Correct 7 ms 27228 KB Output is correct
34 Correct 7 ms 27228 KB Output is correct
35 Correct 8 ms 27480 KB Output is correct
36 Correct 9 ms 27484 KB Output is correct
37 Correct 8 ms 27484 KB Output is correct
38 Correct 8 ms 27484 KB Output is correct
39 Correct 8 ms 27484 KB Output is correct
40 Correct 7 ms 27996 KB Output is correct
41 Correct 8 ms 27996 KB Output is correct
42 Correct 7 ms 27556 KB Output is correct
43 Correct 8 ms 27652 KB Output is correct
44 Correct 8 ms 27736 KB Output is correct
45 Correct 8 ms 27740 KB Output is correct
46 Correct 8 ms 27484 KB Output is correct
47 Correct 8 ms 27640 KB Output is correct
48 Correct 8 ms 27484 KB Output is correct
49 Correct 8 ms 27676 KB Output is correct
50 Correct 7 ms 27484 KB Output is correct
51 Correct 7 ms 27484 KB Output is correct
52 Correct 8 ms 27484 KB Output is correct
53 Correct 10 ms 27480 KB Output is correct
54 Correct 8 ms 27736 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 27228 KB Output is correct
2 Correct 6 ms 27228 KB Output is correct
3 Correct 6 ms 27228 KB Output is correct
4 Correct 6 ms 27316 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 8 ms 27484 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 7 ms 27228 KB Output is correct
10 Correct 7 ms 27228 KB Output is correct
11 Correct 6 ms 27236 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 6 ms 27228 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27228 KB Output is correct
18 Correct 7 ms 27740 KB Output is correct
19 Correct 7 ms 27264 KB Output is correct
20 Correct 6 ms 27228 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct
23 Correct 7 ms 27308 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 6 ms 27228 KB Output is correct
26 Correct 7 ms 27228 KB Output is correct
27 Correct 6 ms 27228 KB Output is correct
28 Correct 6 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 6 ms 27480 KB Output is correct
31 Correct 7 ms 27236 KB Output is correct
32 Correct 6 ms 27480 KB Output is correct
33 Correct 7 ms 27228 KB Output is correct
34 Correct 7 ms 27228 KB Output is correct
35 Correct 8 ms 27480 KB Output is correct
36 Correct 9 ms 27484 KB Output is correct
37 Correct 8 ms 27484 KB Output is correct
38 Correct 8 ms 27484 KB Output is correct
39 Correct 8 ms 27484 KB Output is correct
40 Correct 7 ms 27996 KB Output is correct
41 Correct 8 ms 27996 KB Output is correct
42 Correct 7 ms 27556 KB Output is correct
43 Correct 8 ms 27652 KB Output is correct
44 Correct 8 ms 27736 KB Output is correct
45 Correct 8 ms 27740 KB Output is correct
46 Correct 8 ms 27484 KB Output is correct
47 Correct 8 ms 27640 KB Output is correct
48 Correct 8 ms 27484 KB Output is correct
49 Correct 8 ms 27676 KB Output is correct
50 Correct 7 ms 27484 KB Output is correct
51 Correct 7 ms 27484 KB Output is correct
52 Correct 8 ms 27484 KB Output is correct
53 Correct 10 ms 27480 KB Output is correct
54 Correct 8 ms 27736 KB Output is correct
55 Correct 12 ms 28012 KB Output is correct
56 Correct 28 ms 29832 KB Output is correct
57 Correct 44 ms 31572 KB Output is correct
58 Correct 57 ms 32848 KB Output is correct
59 Correct 83 ms 34896 KB Output is correct
60 Correct 99 ms 38736 KB Output is correct
61 Correct 107 ms 40016 KB Output is correct
62 Correct 135 ms 43176 KB Output is correct
63 Correct 203 ms 45724 KB Output is correct
64 Correct 168 ms 46456 KB Output is correct
65 Correct 94 ms 78420 KB Output is correct
66 Correct 96 ms 78512 KB Output is correct
67 Correct 88 ms 45904 KB Output is correct
68 Correct 133 ms 64296 KB Output is correct
69 Correct 159 ms 61416 KB Output is correct
70 Correct 163 ms 61520 KB Output is correct
71 Correct 191 ms 51292 KB Output is correct
72 Correct 190 ms 51224 KB Output is correct
73 Correct 194 ms 50892 KB Output is correct
74 Correct 172 ms 50940 KB Output is correct
75 Correct 185 ms 50772 KB Output is correct
76 Correct 171 ms 50912 KB Output is correct
77 Correct 182 ms 50772 KB Output is correct
78 Correct 230 ms 51376 KB Output is correct
79 Correct 296 ms 64184 KB Output is correct