#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
const ll INF=1e17;
map<ll,ll> nrm;
ll nr;
vector<ll> muchii[200005];
ll n,par[200005],v[200005],cost[200005];
set<pll> setik[200005];
void add(ll nod,ll poz,ll val)
{
auto it=setik[nod].lower_bound({poz,0});
if((*it).first==poz)
{
ll x=(*it).second+val;
setik[nod].erase(it);
setik[nod].insert({poz,x});
}
else
setik[nod].insert({poz,val});
}
void dfs(ll nod)
{
if(muchii[nod].empty())
{
add(nod,v[nod]+1,cost[nod]);
return;
}
ll maxim=0;
ll who=0;
for(int i:muchii[nod])
{
dfs(i);
if(setik[i].size()>maxim)
{
maxim=setik[i].size();
who=i;
}
}
swap(setik[nod],setik[who]);
for(int i:muchii[nod])
if(i!=who)
{
for(auto j:setik[i])
add(nod,j.first,j.second);
setik[i].clear();
}
add(nod,1,cost[nod]);
ll dif=cost[nod];
while(!setik[nod].empty()&&dif>0)
{
auto it=prev(setik[nod].upper_bound({v[nod],INF}));
ll poz=(*it).first;
ll x=(*it).second;
ll val=min(dif,x);
x-=val;
dif-=val;
setik[nod].erase(it);
if(x!=0)
setik[nod].insert({poz,x});
}
add(nod,v[nod]+1,cost[nod]);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>n;
vector<ll> vals;
for(int i=1;i<=n;i++)
{
cin>>par[i]>>v[i]>>cost[i];
if(i!=1)
muchii[par[i]].push_back(i);
vals.push_back(v[i]);
}
sort(vals.begin(),vals.end());
vals.erase(unique(vals.begin(),vals.end()),vals.end());
for(int i=0;i<vals.size();i++)
nrm[vals[i]]=i+1;
nr=vals.size();
for(int i=1;i<=n;i++)
v[i]=nrm[v[i]];
dfs(1);
auto it=setik[1].begin();
if((*it).first==1)
cout<<(*it).second;
else
cout<<0;
return 0;
}
Compilation message
worst_reporter2.cpp: In function 'void dfs(ll)':
worst_reporter2.cpp:36:27: warning: comparison of integer expressions of different signedness: 'std::set<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
36 | if(setik[i].size()>maxim)
| ~~~~~~~~~~~~~~~^~~~~~
worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:81:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
81 | for(int i=0;i<vals.size();i++)
| ~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
19036 KB |
Output is correct |
2 |
Correct |
5 ms |
19036 KB |
Output is correct |
3 |
Correct |
5 ms |
19240 KB |
Output is correct |
4 |
Correct |
4 ms |
19036 KB |
Output is correct |
5 |
Correct |
9 ms |
19800 KB |
Output is correct |
6 |
Correct |
7 ms |
19288 KB |
Output is correct |
7 |
Correct |
6 ms |
19288 KB |
Output is correct |
8 |
Correct |
10 ms |
19804 KB |
Output is correct |
9 |
Correct |
7 ms |
19276 KB |
Output is correct |
10 |
Correct |
7 ms |
19292 KB |
Output is correct |
11 |
Correct |
5 ms |
19292 KB |
Output is correct |
12 |
Correct |
10 ms |
20400 KB |
Output is correct |
13 |
Correct |
8 ms |
20060 KB |
Output is correct |
14 |
Correct |
10 ms |
19984 KB |
Output is correct |
15 |
Correct |
7 ms |
19548 KB |
Output is correct |
16 |
Correct |
10 ms |
19956 KB |
Output is correct |
17 |
Correct |
8 ms |
19292 KB |
Output is correct |
18 |
Correct |
5 ms |
19292 KB |
Output is correct |
19 |
Correct |
9 ms |
20060 KB |
Output is correct |
20 |
Correct |
7 ms |
19548 KB |
Output is correct |
21 |
Correct |
7 ms |
19548 KB |
Output is correct |
22 |
Correct |
7 ms |
19804 KB |
Output is correct |
23 |
Correct |
6 ms |
19548 KB |
Output is correct |
24 |
Correct |
9 ms |
19964 KB |
Output is correct |
25 |
Correct |
7 ms |
19804 KB |
Output is correct |
26 |
Correct |
7 ms |
20316 KB |
Output is correct |
27 |
Correct |
7 ms |
20060 KB |
Output is correct |
28 |
Correct |
10 ms |
20236 KB |
Output is correct |
29 |
Correct |
8 ms |
20324 KB |
Output is correct |
30 |
Correct |
9 ms |
20316 KB |
Output is correct |
31 |
Correct |
9 ms |
20536 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
19036 KB |
Output is correct |
2 |
Correct |
5 ms |
19036 KB |
Output is correct |
3 |
Correct |
5 ms |
19240 KB |
Output is correct |
4 |
Correct |
4 ms |
19036 KB |
Output is correct |
5 |
Correct |
9 ms |
19800 KB |
Output is correct |
6 |
Correct |
7 ms |
19288 KB |
Output is correct |
7 |
Correct |
6 ms |
19288 KB |
Output is correct |
8 |
Correct |
10 ms |
19804 KB |
Output is correct |
9 |
Correct |
7 ms |
19276 KB |
Output is correct |
10 |
Correct |
7 ms |
19292 KB |
Output is correct |
11 |
Correct |
5 ms |
19292 KB |
Output is correct |
12 |
Correct |
10 ms |
20400 KB |
Output is correct |
13 |
Correct |
8 ms |
20060 KB |
Output is correct |
14 |
Correct |
10 ms |
19984 KB |
Output is correct |
15 |
Correct |
7 ms |
19548 KB |
Output is correct |
16 |
Correct |
10 ms |
19956 KB |
Output is correct |
17 |
Correct |
8 ms |
19292 KB |
Output is correct |
18 |
Correct |
5 ms |
19292 KB |
Output is correct |
19 |
Correct |
9 ms |
20060 KB |
Output is correct |
20 |
Correct |
7 ms |
19548 KB |
Output is correct |
21 |
Correct |
7 ms |
19548 KB |
Output is correct |
22 |
Correct |
7 ms |
19804 KB |
Output is correct |
23 |
Correct |
6 ms |
19548 KB |
Output is correct |
24 |
Correct |
9 ms |
19964 KB |
Output is correct |
25 |
Correct |
7 ms |
19804 KB |
Output is correct |
26 |
Correct |
7 ms |
20316 KB |
Output is correct |
27 |
Correct |
7 ms |
20060 KB |
Output is correct |
28 |
Correct |
10 ms |
20236 KB |
Output is correct |
29 |
Correct |
8 ms |
20324 KB |
Output is correct |
30 |
Correct |
9 ms |
20316 KB |
Output is correct |
31 |
Correct |
9 ms |
20536 KB |
Output is correct |
32 |
Correct |
10 ms |
19804 KB |
Output is correct |
33 |
Correct |
409 ms |
49608 KB |
Output is correct |
34 |
Correct |
207 ms |
30000 KB |
Output is correct |
35 |
Correct |
402 ms |
53148 KB |
Output is correct |
36 |
Correct |
219 ms |
30076 KB |
Output is correct |
37 |
Correct |
130 ms |
29372 KB |
Output is correct |
38 |
Correct |
113 ms |
29376 KB |
Output is correct |
39 |
Correct |
273 ms |
69820 KB |
Output is correct |
40 |
Correct |
177 ms |
57292 KB |
Output is correct |
41 |
Correct |
109 ms |
57024 KB |
Output is correct |
42 |
Correct |
258 ms |
57292 KB |
Output is correct |
43 |
Correct |
166 ms |
44680 KB |
Output is correct |
44 |
Correct |
378 ms |
53696 KB |
Output is correct |
45 |
Correct |
209 ms |
29616 KB |
Output is correct |
46 |
Correct |
74 ms |
28852 KB |
Output is correct |
47 |
Correct |
306 ms |
60860 KB |
Output is correct |
48 |
Correct |
169 ms |
41420 KB |
Output is correct |
49 |
Correct |
97 ms |
41368 KB |
Output is correct |
50 |
Correct |
244 ms |
51624 KB |
Output is correct |
51 |
Correct |
111 ms |
39104 KB |
Output is correct |
52 |
Correct |
333 ms |
61992 KB |
Output is correct |
53 |
Correct |
145 ms |
48640 KB |
Output is correct |
54 |
Correct |
151 ms |
69820 KB |
Output is correct |
55 |
Correct |
205 ms |
63168 KB |
Output is correct |
56 |
Correct |
213 ms |
70864 KB |
Output is correct |
57 |
Correct |
202 ms |
74628 KB |
Output is correct |
58 |
Correct |
283 ms |
75164 KB |
Output is correct |
59 |
Correct |
255 ms |
75196 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
19036 KB |
Output is correct |
2 |
Correct |
5 ms |
19036 KB |
Output is correct |
3 |
Correct |
5 ms |
19240 KB |
Output is correct |
4 |
Correct |
4 ms |
19036 KB |
Output is correct |
5 |
Correct |
9 ms |
19800 KB |
Output is correct |
6 |
Correct |
7 ms |
19288 KB |
Output is correct |
7 |
Correct |
6 ms |
19288 KB |
Output is correct |
8 |
Correct |
10 ms |
19804 KB |
Output is correct |
9 |
Correct |
7 ms |
19276 KB |
Output is correct |
10 |
Correct |
7 ms |
19292 KB |
Output is correct |
11 |
Correct |
5 ms |
19292 KB |
Output is correct |
12 |
Correct |
10 ms |
20400 KB |
Output is correct |
13 |
Correct |
8 ms |
20060 KB |
Output is correct |
14 |
Correct |
10 ms |
19984 KB |
Output is correct |
15 |
Correct |
7 ms |
19548 KB |
Output is correct |
16 |
Correct |
10 ms |
19956 KB |
Output is correct |
17 |
Correct |
8 ms |
19292 KB |
Output is correct |
18 |
Correct |
5 ms |
19292 KB |
Output is correct |
19 |
Correct |
9 ms |
20060 KB |
Output is correct |
20 |
Correct |
7 ms |
19548 KB |
Output is correct |
21 |
Correct |
7 ms |
19548 KB |
Output is correct |
22 |
Correct |
7 ms |
19804 KB |
Output is correct |
23 |
Correct |
6 ms |
19548 KB |
Output is correct |
24 |
Correct |
9 ms |
19964 KB |
Output is correct |
25 |
Correct |
7 ms |
19804 KB |
Output is correct |
26 |
Correct |
7 ms |
20316 KB |
Output is correct |
27 |
Correct |
7 ms |
20060 KB |
Output is correct |
28 |
Correct |
10 ms |
20236 KB |
Output is correct |
29 |
Correct |
8 ms |
20324 KB |
Output is correct |
30 |
Correct |
9 ms |
20316 KB |
Output is correct |
31 |
Correct |
9 ms |
20536 KB |
Output is correct |
32 |
Correct |
10 ms |
19804 KB |
Output is correct |
33 |
Correct |
409 ms |
49608 KB |
Output is correct |
34 |
Correct |
207 ms |
30000 KB |
Output is correct |
35 |
Correct |
402 ms |
53148 KB |
Output is correct |
36 |
Correct |
219 ms |
30076 KB |
Output is correct |
37 |
Correct |
130 ms |
29372 KB |
Output is correct |
38 |
Correct |
113 ms |
29376 KB |
Output is correct |
39 |
Correct |
273 ms |
69820 KB |
Output is correct |
40 |
Correct |
177 ms |
57292 KB |
Output is correct |
41 |
Correct |
109 ms |
57024 KB |
Output is correct |
42 |
Correct |
258 ms |
57292 KB |
Output is correct |
43 |
Correct |
166 ms |
44680 KB |
Output is correct |
44 |
Correct |
378 ms |
53696 KB |
Output is correct |
45 |
Correct |
209 ms |
29616 KB |
Output is correct |
46 |
Correct |
74 ms |
28852 KB |
Output is correct |
47 |
Correct |
306 ms |
60860 KB |
Output is correct |
48 |
Correct |
169 ms |
41420 KB |
Output is correct |
49 |
Correct |
97 ms |
41368 KB |
Output is correct |
50 |
Correct |
244 ms |
51624 KB |
Output is correct |
51 |
Correct |
111 ms |
39104 KB |
Output is correct |
52 |
Correct |
333 ms |
61992 KB |
Output is correct |
53 |
Correct |
145 ms |
48640 KB |
Output is correct |
54 |
Correct |
151 ms |
69820 KB |
Output is correct |
55 |
Correct |
205 ms |
63168 KB |
Output is correct |
56 |
Correct |
213 ms |
70864 KB |
Output is correct |
57 |
Correct |
202 ms |
74628 KB |
Output is correct |
58 |
Correct |
283 ms |
75164 KB |
Output is correct |
59 |
Correct |
255 ms |
75196 KB |
Output is correct |
60 |
Correct |
5 ms |
19292 KB |
Output is correct |
61 |
Incorrect |
4 ms |
19032 KB |
Output isn't correct |
62 |
Halted |
0 ms |
0 KB |
- |