[백준] 10990번 : 별 찍기-15 - C++

https://www.acmicpc.net/problem/10990

#include <iostream>

using namespace std;

int main() {
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=n-i;j>0;j--) cout<<" ";
        cout<<"*";
        for(int j=0;j<(i-2)*2+1;j++) cout<<" ";
        if(i!=1) cout<<"*";
        cout<<"\n";
    }
}