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// for loop diamond #include <iostream> using namespace std; int main() { int row = 9; // odd number row int r = (row+1)/2; int s = 1; for (int s=1; s<2*r; s++) { if(s<=r) { for(int i= r-s; i>0; i-- ) cout << " "; for(int i= 2*s-1; i>0; i-- ) cout << "*"; } else { for(int i= s-r; i>0; i-- ) cout << " "; for(int i= 4*r-2*s-1; i>0; i-- ) cout << "*"; } cout << endl; } cin.ignore(); return 0; }