#include<bits/stdc++.h>
using namespace std;
const int maxn=200000+10;
long long mainres,n,p[maxn],h[maxn],c[maxn];
vector<long long>adj[maxn];
set<pair<long long,long long>>dp[maxn];
void vorod(){
cin>>n;
for(long long i=1;i<=n;i++){
cin>>p[i]>>h[i]>>c[i];
mainres+=c[i];
if(i!=p[i]){
adj[p[i]].push_back(i);
}
}
}
void merge(long long u,long long v){
long long fu=u;
if((long long)dp[u].size()<(long long)dp[v].size()){
swap(u,v);
}
for(auto x:dp[v]){
auto y=*dp[u].lower_bound(make_pair(x.first,-1));
if(y.first==x.first){
dp[u].erase(y);
y.second+=x.second;
dp[u].insert(y);
}else{
dp[u].insert(x);
}
}
if(fu!=u){
swap(dp[u],dp[fu]);
}
}
void ins(long long u){
long long moonde=c[u];
while(moonde>0&&(long long)dp[u].size()>0&&(*dp[u].begin()).first<h[u]){
auto xx=dp[u].lower_bound(make_pair(h[u],-1));
xx--;
auto x=*xx;
if(x.second>=moonde){
dp[u].erase(x);
x.second-=moonde;
dp[u].insert(x);
break;
}else{
dp[u].erase(x);
moonde-=x.second;
}
}
if((long long)dp[u].size()==0||(*dp[u].begin()).first>h[u]){
dp[u].insert(make_pair(h[u],c[u]));
return ;
}
auto xx=dp[u].lower_bound(make_pair(h[u],-1));
xx--;
auto x=*xx;
if(x.first==h[u]){
dp[u].erase(x);
x.second+=c[u];
dp[u].insert(x);
}else{
dp[u].insert(make_pair(h[u],c[u]));
}
}
void solved(long long u){
for(auto x:adj[u]){
solved(x);
merge(u,x);
}
// cout<<u<<" hainjy:"<<endl;
// for(auto x:dp[u]){
// cout<<x.first<<" "<<x.second<<endl;;
// }
ins(u);
// cout<<u<<" injy:"<<endl;
// for(auto x:dp[u]){
// cout<<x.first<<" "<<x.second<<endl;;
// }
}
void pre(){
//felan hichy
}
void solve(){
solved(1);
for(auto x:dp[1]){
mainres-=x.second;
}
}
void khor(){
cout<<mainres<<"\n";
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
//freopen("inp.txt","r",stdin);
vorod();
pre();
solve();
khor();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
19032 KB |
Output is correct |
2 |
Correct |
4 ms |
19036 KB |
Output is correct |
3 |
Correct |
4 ms |
19092 KB |
Output is correct |
4 |
Correct |
4 ms |
19036 KB |
Output is correct |
5 |
Correct |
10 ms |
20060 KB |
Output is correct |
6 |
Correct |
8 ms |
19804 KB |
Output is correct |
7 |
Correct |
8 ms |
19548 KB |
Output is correct |
8 |
Correct |
10 ms |
20312 KB |
Output is correct |
9 |
Correct |
7 ms |
19804 KB |
Output is correct |
10 |
Correct |
9 ms |
19548 KB |
Output is correct |
11 |
Correct |
7 ms |
19288 KB |
Output is correct |
12 |
Correct |
7 ms |
19292 KB |
Output is correct |
13 |
Correct |
8 ms |
19372 KB |
Output is correct |
14 |
Correct |
9 ms |
19292 KB |
Output is correct |
15 |
Correct |
9 ms |
19456 KB |
Output is correct |
16 |
Correct |
9 ms |
20572 KB |
Output is correct |
17 |
Correct |
8 ms |
19804 KB |
Output is correct |
18 |
Correct |
5 ms |
19364 KB |
Output is correct |
19 |
Correct |
8 ms |
19548 KB |
Output is correct |
20 |
Correct |
7 ms |
19620 KB |
Output is correct |
21 |
Correct |
7 ms |
19548 KB |
Output is correct |
22 |
Correct |
7 ms |
19804 KB |
Output is correct |
23 |
Correct |
8 ms |
19544 KB |
Output is correct |
24 |
Correct |
8 ms |
19548 KB |
Output is correct |
25 |
Correct |
7 ms |
19544 KB |
Output is correct |
26 |
Correct |
8 ms |
19804 KB |
Output is correct |
27 |
Correct |
7 ms |
19548 KB |
Output is correct |
28 |
Correct |
10 ms |
19748 KB |
Output is correct |
29 |
Correct |
7 ms |
19548 KB |
Output is correct |
30 |
Correct |
7 ms |
19804 KB |
Output is correct |
31 |
Correct |
8 ms |
19804 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
19032 KB |
Output is correct |
2 |
Correct |
4 ms |
19036 KB |
Output is correct |
3 |
Correct |
4 ms |
19092 KB |
Output is correct |
4 |
Correct |
4 ms |
19036 KB |
Output is correct |
5 |
Correct |
10 ms |
20060 KB |
Output is correct |
6 |
Correct |
8 ms |
19804 KB |
Output is correct |
7 |
Correct |
8 ms |
19548 KB |
Output is correct |
8 |
Correct |
10 ms |
20312 KB |
Output is correct |
9 |
Correct |
7 ms |
19804 KB |
Output is correct |
10 |
Correct |
9 ms |
19548 KB |
Output is correct |
11 |
Correct |
7 ms |
19288 KB |
Output is correct |
12 |
Correct |
7 ms |
19292 KB |
Output is correct |
13 |
Correct |
8 ms |
19372 KB |
Output is correct |
14 |
Correct |
9 ms |
19292 KB |
Output is correct |
15 |
Correct |
9 ms |
19456 KB |
Output is correct |
16 |
Correct |
9 ms |
20572 KB |
Output is correct |
17 |
Correct |
8 ms |
19804 KB |
Output is correct |
18 |
Correct |
5 ms |
19364 KB |
Output is correct |
19 |
Correct |
8 ms |
19548 KB |
Output is correct |
20 |
Correct |
7 ms |
19620 KB |
Output is correct |
21 |
Correct |
7 ms |
19548 KB |
Output is correct |
22 |
Correct |
7 ms |
19804 KB |
Output is correct |
23 |
Correct |
8 ms |
19544 KB |
Output is correct |
24 |
Correct |
8 ms |
19548 KB |
Output is correct |
25 |
Correct |
7 ms |
19544 KB |
Output is correct |
26 |
Correct |
8 ms |
19804 KB |
Output is correct |
27 |
Correct |
7 ms |
19548 KB |
Output is correct |
28 |
Correct |
10 ms |
19748 KB |
Output is correct |
29 |
Correct |
7 ms |
19548 KB |
Output is correct |
30 |
Correct |
7 ms |
19804 KB |
Output is correct |
31 |
Correct |
8 ms |
19804 KB |
Output is correct |
32 |
Correct |
9 ms |
20060 KB |
Output is correct |
33 |
Correct |
297 ms |
82244 KB |
Output is correct |
34 |
Correct |
237 ms |
57616 KB |
Output is correct |
35 |
Correct |
317 ms |
79184 KB |
Output is correct |
36 |
Correct |
246 ms |
57608 KB |
Output is correct |
37 |
Correct |
161 ms |
40600 KB |
Output is correct |
38 |
Correct |
127 ms |
33980 KB |
Output is correct |
39 |
Correct |
165 ms |
36188 KB |
Output is correct |
40 |
Correct |
176 ms |
36296 KB |
Output is correct |
41 |
Incorrect |
150 ms |
39116 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
19032 KB |
Output is correct |
2 |
Correct |
4 ms |
19036 KB |
Output is correct |
3 |
Correct |
4 ms |
19092 KB |
Output is correct |
4 |
Correct |
4 ms |
19036 KB |
Output is correct |
5 |
Correct |
10 ms |
20060 KB |
Output is correct |
6 |
Correct |
8 ms |
19804 KB |
Output is correct |
7 |
Correct |
8 ms |
19548 KB |
Output is correct |
8 |
Correct |
10 ms |
20312 KB |
Output is correct |
9 |
Correct |
7 ms |
19804 KB |
Output is correct |
10 |
Correct |
9 ms |
19548 KB |
Output is correct |
11 |
Correct |
7 ms |
19288 KB |
Output is correct |
12 |
Correct |
7 ms |
19292 KB |
Output is correct |
13 |
Correct |
8 ms |
19372 KB |
Output is correct |
14 |
Correct |
9 ms |
19292 KB |
Output is correct |
15 |
Correct |
9 ms |
19456 KB |
Output is correct |
16 |
Correct |
9 ms |
20572 KB |
Output is correct |
17 |
Correct |
8 ms |
19804 KB |
Output is correct |
18 |
Correct |
5 ms |
19364 KB |
Output is correct |
19 |
Correct |
8 ms |
19548 KB |
Output is correct |
20 |
Correct |
7 ms |
19620 KB |
Output is correct |
21 |
Correct |
7 ms |
19548 KB |
Output is correct |
22 |
Correct |
7 ms |
19804 KB |
Output is correct |
23 |
Correct |
8 ms |
19544 KB |
Output is correct |
24 |
Correct |
8 ms |
19548 KB |
Output is correct |
25 |
Correct |
7 ms |
19544 KB |
Output is correct |
26 |
Correct |
8 ms |
19804 KB |
Output is correct |
27 |
Correct |
7 ms |
19548 KB |
Output is correct |
28 |
Correct |
10 ms |
19748 KB |
Output is correct |
29 |
Correct |
7 ms |
19548 KB |
Output is correct |
30 |
Correct |
7 ms |
19804 KB |
Output is correct |
31 |
Correct |
8 ms |
19804 KB |
Output is correct |
32 |
Correct |
9 ms |
20060 KB |
Output is correct |
33 |
Correct |
297 ms |
82244 KB |
Output is correct |
34 |
Correct |
237 ms |
57616 KB |
Output is correct |
35 |
Correct |
317 ms |
79184 KB |
Output is correct |
36 |
Correct |
246 ms |
57608 KB |
Output is correct |
37 |
Correct |
161 ms |
40600 KB |
Output is correct |
38 |
Correct |
127 ms |
33980 KB |
Output is correct |
39 |
Correct |
165 ms |
36188 KB |
Output is correct |
40 |
Correct |
176 ms |
36296 KB |
Output is correct |
41 |
Incorrect |
150 ms |
39116 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |