#include<bits/stdc++.h>
#include "deliveries.h"
using namespace std;
struct Edge
{
int b,c;
};
long long O[100009];
long long O1[100009],O2[100009];
long long Opref[100009],Osuff[100009];
int base;
long long Tre[1000000];
long long TrePref[1000000];
long long TreSuff[1000000];
long long Deliv[100009];
long long suma=0;
int n;
int TworzenieDrzewa(int x)
{
x--;
int u=1;
while(x>0)
{
x>>=1;
u<<=1;
}
return u;
}
void Punkt(int v, int dod, long long *TRE)
{
v+=base;
while(v>0)
{
TRE[v]+=dod;
v>>=1;
}
}
int PierwszyWiekszy(long long x)
{
int v=1;
while(v<base)
{
if(x-Tre[v*2]<0)
{
v=v*2;
}
else
{
x-=Tre[v*2];
v=v*2+1;
}
}
return v-base;
}
int PierwszyWiekszy2(long long x)
{
int v=1;
while(v<base)
{
if(x-Tre[v*2+1]<0)
{
v=v*2+1;
}
else
{
x-=Tre[v*2+1];
v=v*2;
}
}
return v-base;
}
long long Przedzial(int l, int p, long long *TRE)
{
l+=base;
p+=base;
long long wyn=0;
while(l<=p)
{
if(l%2==1)
{
wyn+=TRE[l];
l++;
}
if(p%2==0)
{
wyn+=TRE[p];
p--;
}
l>>=1;
p>>=1;
}
return wyn;
}
void init(int N, vector<int> AA, vector<int> BB, vector<int> CC, vector<int> W)
{
n=N;
for(int i=0;i<n-1;i++)
{
//int a=AA[i];
//int b=BB[i];
int c=CC[i];
O[i]=c;
}
for(int i=0;i<=n-2;i++)
{
O1[i+1]=O[i]+O1[i];
}
for(int i=n-1;i>=1;i--)
{
O2[i-1]=O[i-1]+O2[i];
}
base=TworzenieDrzewa(n);
for(int i=0;i<n;i++)
{
Deliv[i]=W[i];
suma+=Deliv[i];
if(i==0){Deliv[i]++;}
Punkt(i,O1[i]*Deliv[i],TrePref);
Punkt(i,O2[i]*Deliv[i],TreSuff);
Punkt(i,Deliv[i],Tre);
if(i==0){Deliv[i]--;}
}
}
long long max_time(int v, int x)
{
int dod=x-Deliv[v];
suma+=dod;
Deliv[v]=x;
if(v==0){Deliv[v]++;}
Punkt(v,O1[v]*dod,TrePref);
Punkt(v,O2[v]*dod,TreSuff);
Punkt(v,dod,Tre);
if(v==0){Deliv[v]--;}
long long kand1,kand2,Ile1,Ile2;
v=PierwszyWiekszy((suma>>1));
Ile1=Przedzial(0,v,Tre);
Ile2=suma-Ile1;
kand1=Przedzial(0,v,TreSuff)-O2[v]*Ile1+Przedzial(v+1,base-1,TrePref)-O1[v]*Ile2;
v=PierwszyWiekszy2((suma)>>1);
Ile1=Przedzial(0,v,Tre);
Ile2=suma-Ile1;
kand2=Przedzial(0,v,TreSuff)-O2[v]*Ile1+Przedzial(v+1,base-1,TrePref)-O1[v]*Ile2;
return max(kand1,kand2)*2;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
65 ms |
15960 KB |
3rd lines differ - on the 1st token, expected: '39049160', found: '39049306' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
8536 KB |
3rd lines differ - on the 1st token, expected: '1627540', found: '2264768' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
65 ms |
15960 KB |
3rd lines differ - on the 1st token, expected: '39049160', found: '39049306' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
65 ms |
15960 KB |
3rd lines differ - on the 1st token, expected: '39049160', found: '39049306' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
65 ms |
15960 KB |
3rd lines differ - on the 1st token, expected: '39049160', found: '39049306' |
2 |
Halted |
0 ms |
0 KB |
- |