اینم کدش:
#include <iostream>
#include <cmath>
int s(int x){
int b=1;
for(int i =1;i <= x;i++){
b = b*10;
}
return b;
}
int f(int x){
int b = 0;
for(int i =1;i <= x;i++){
b = b+s(i);
}
return b/10;
}
using namespace std;
int main(){
for(int i = 1;i <= 5;i++){
for(int b = 5;b >= i;b--){
cout <<" ";
}
cout << f(i)*f(i);
cout << endl;
}
for(int n = 4;n >= 1;n--){
cout << " ";
for(int x = 4;x >= n;x--){
cout << " ";}
cout << f(n)*f(n);
cout << endl;
}
}