C++ penjumlahan

/********************************* Khairul Akmal **********************************/

Add caption

#include

int main ()
{

int x,y,z;


z=0;

for (x=1;x<=4;x++)
{
z+=x;

for(y=1;y<=x;y++)

cout<<" "<<<"+";

cout<<" ="<
cout<

}
return 0;
}