The program must accept an integer N and
print the pattern as shown in the Example Input/Output.
Input
Format:
The first line contains N.
Output
Format:
N lines containing the pattern as shown in
the Example Input/Output.
Boundary
Conditions:
2 <= N <= 100
Example
Input/Output 1:
Input:
4
Output:
1 2 3 4
9 10 11 12
13 14 15 16
5 6 7 8
Example
Input/Output 2:
Input:
7
Output:
1 2 3 4 5 6 7
15 16 17 18 19 20 21
29 30 31 32 33 34 35
43 44 45 46 47 48 49
36 37 38 39 40 41 42
22 23 24 25 26 27 28
8 9 10 11 12 13 14
Solution:
#include <iostream>
using namespace std;
int main(int argc, char** argv)
{
int
k=1,n;
cin>>n;
for(int i=0;i<n;i++)
{
for(int j=k;j<k+n;j++)
cout<<j<<" ";
if(i<n/2&&n%2==1||n%2==0&&i<n/2-1)
k=k+(2*n);
else if(i==n/2&&n%2==1||n%2==0&&i==n/2-1)
k=n%2==1?k-n:k+n;
else
k=k-(2*n);
cout<<endl;
}
}