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DIV2B.cpp
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75 lines (64 loc) · 1.17 KB
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#include<bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
int a[n];
int flag=0;
for(int i=0;i<n;i++)
{
cin>>a[i];
if(a[i]>=0)
{
a[i]=-a[i]-1;
if(a[i]!=-1)
flag=1;
}
}
if(flag==1)
{
if(n%2==0)
{
for(int i=0;i<n;i++)
{
cout<<a[i]<<" ";
}
}
else
{
vector<int> v;
for(int i=0;i<n;i++)
{
if(a[i]!=-1)
v.push_back(a[i]);
}
sort(v.begin(),v.end());
int last=v[v.size()-1];
int g=0;
for(int i=0;i<n;i++)
{
if(a[i]==last&&g==0)
{
a[i]=-a[i]-1;
g=1;
}
cout<<a[i]<<" ";
}
}
}
else
{
if(n%2==0)
{
for(int i=0;i<n;i++)
cout<<a[i]<<" ";
}
else
{
cout<<0<<" ";
for(int i=1;i<n;i++)
cout<<a[i]<<" ";
}
}
}