basic-algo-lecture/0x02/solutions/2445.cpp at master · std-freejia/basic-algo-lecture · GitHub

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// Authored by : wogha95
// Co-authored by : -
// http://boj.kr/aee90111832742cb969736538c8f2d62
#include <bits/stdc++.h>
using namespace std;

int main(void) {
  ios::sync_with_stdio(0);
  cin.tie(0);

  int N;
  cin >> N;

  for(int i = 1; i <= N - 1; i++) {
    for(int j = 1; j <= i; j++) cout << '*';
    for(int j = 1; j <= 2 * (N - i); j++) cout << ' ';
    for(int j = 1; j <= i; j++) cout << '*';
    cout << "\n";
  }

  for(int j = 1; j <= 2 * N; j++) cout << '*';
  cout << "\n";

  for(int i = 1; i <= N - 1; i++) {
    for(int j = 1; j <= N - i; j++) cout << '*';
    for(int j = 1; j <= 2 * i; j++) cout << ' ';
    for(int j = 1; j <= N - i; j++) cout << '*';
    cout << "\n";
  }
}