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51 lines (45 loc) · 785 Bytes
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MATDIF.cpp
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51 lines (45 loc) · 785 Bytes
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#include <iostream>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n;
cin>>n;
int num=n*n;
//first half
int num1=num;
int num2=num-1;
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
if(num1>0)
{
cout<<num1<<" ";
num1-=2;
}
else
{
cout<<num2<<" ";
num2-=2;
}
}
cout<<endl;
}
//second half
// int num2=1;
// for(int i=0;i<(n/2);i++)
// {
// for(int j=0;j<n;j++)
// {
// cout<<num2<<" ";
// num2+=2;
// }
// cout<<endl;
// }
}
return 0;
}