#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int a[10][10],i,j,n,m,trace=0,norm=0;
clrscr();
printf("Enter the order of the matrix(no. of rows and columns) : ");
scanf("%d%d",&n,&m);
if(n == m)
{
printf("Trace is exist\n");
printf("Enter matrix elements\n");
for(i=0;i<=n-1;i++)
{
for(j=0;j<=m-1;j++)
{
scanf("%d\n",&a[i][j]);
}
}

for(i=0;i<=n-1;i++)
{
trace+=a[i][i];
for(j=0;j<=m-1;j++)
{
norm+=a[i][j]*a[i][j];
}
}
printf("Trace of the matrix :%d\n ",trace);
printf("Norm of the matrix :%d ",sqrt(norm));
}
else
printf("Trace and norm do not exist");
getch();
}