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55 lines (43 loc) · 650 Bytes
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book.cpp
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55 lines (43 loc) · 650 Bytes
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#include<iostream>
using namespace std;
int main()
{
int x,s=-1,p,row=0,count=0;
cin>>x;
int ar[x][2];
for(int i=0;i<x/2+1;i++)
{
for(int j=0;j<2;j++)
{
ar[i][j]=++s;
}
}
cin>>p;
for(int i=0;i<x/2+1;i++)
{
for(int j=0;j<2;j++)
{
if(ar[i][j]<p)
{
count++;
}
}
}
for(int i=x/2;i>=0;i--)
{
for(int j=1;j>=0;j--)
{
if(ar[i][j]>p)
{
row++;
}
}
}
if(row>count)
{
cout<<count/2;
}
else
cout<<row/2;
return 0;
}