#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,m,i,ta,a[202020],has,d[330][330];
vector<ll> v[330],w[330];
ll depe(ll aa,ll bb)
{
if(v[aa].size()==0)
return bb;
if(d[aa][bb]==-1)
{
d[aa][bb]=0;
ll ii,jj;
for(jj=0;jj<v[aa].size();jj++)
{
ll hh=1e18;
for(ii=0;ii<=bb;ii++)
hh=min(hh,depe(v[aa][jj],ii)+abs(w[aa][jj]-(bb-ii)));
d[aa][bb]+=hh;
}
}
return d[aa][bb];
}
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>m;
for(i=2;i<=n+m;i++)
{
cin>>ta>>a[i];
v[ta].pb(i);
w[ta].pb(a[i]);
}
has=1e18;
if(n+m<=300)
{
memset(d,-1,sizeof(d));
for(i=0;i<=300;i++)
has=min(has,depe(1,i));
//cout<<depe(4,3)<<"\n";
//cout<<depe(1,14)<<"\n";
cout<<has<<"\n";
}
}
Compilation message
fireworks.cpp: In function 'long long int depe(long long int, long long int)':
fireworks.cpp:18:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(jj=0;jj<v[aa].size();jj++)
~~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
1384 KB |
Output is correct |
2 |
Correct |
12 ms |
1384 KB |
Output is correct |
3 |
Correct |
26 ms |
1404 KB |
Output is correct |
4 |
Correct |
29 ms |
1516 KB |
Output is correct |
5 |
Correct |
34 ms |
1524 KB |
Output is correct |
6 |
Correct |
61 ms |
1656 KB |
Output is correct |
7 |
Correct |
43 ms |
1656 KB |
Output is correct |
8 |
Correct |
83 ms |
1656 KB |
Output is correct |
9 |
Correct |
69 ms |
1656 KB |
Output is correct |
10 |
Correct |
78 ms |
1732 KB |
Output is correct |
11 |
Correct |
66 ms |
1732 KB |
Output is correct |
12 |
Correct |
83 ms |
1732 KB |
Output is correct |
13 |
Correct |
76 ms |
1732 KB |
Output is correct |
14 |
Correct |
88 ms |
1732 KB |
Output is correct |
15 |
Correct |
86 ms |
1732 KB |
Output is correct |
16 |
Correct |
89 ms |
1732 KB |
Output is correct |
17 |
Correct |
89 ms |
1732 KB |
Output is correct |
18 |
Correct |
88 ms |
1732 KB |
Output is correct |
19 |
Correct |
87 ms |
1732 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |