#include
using namespace std;
int main()
{
double sum_2diagonal(double* arry_2d,unsigned int m,unsigned int n);
int i,j;
double summ;
unsigned int x,y;
double arry[100][100];
cin>>x>>y;
for(i=0;i
for(j=0;j
{
cin>>arry[i][j];
}
summ=sum_2diagonal(arry,x,y);
cout<<summ;
return 0;
}
double sum_2diagonal(double (*arry_2d)[100][100] ,unsigned int m,unsigned int n)
{
int i,j;
double sum=0,t=0;
for(i=0;i<m;i++)
for(j=0;j<n;j++)
{
if(i=j)
{ sum=sum+((*arry_2d)[i][j]);
}
}
return sum;
}
