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#include<iostream>
#include<string>
#include<cmath>
/*	
	   백준문제
	*2448번 별찍기*
*/
 
using namespace std;
int main()
{
	int input = 0, n = 0, input_temp = 0;
	string star[3072];
 
	cin >> input;
 
	//기본 별 세팅
	star[1] = "*";
	star[2] = "* *";
	star[3] = "*****";
 
	//n값 구하기(input값은 3*2^n)
	input_temp = input/3;
	while (true)
	{
		input_temp /= 2;
		n++;
		if (input_temp < 1) break;
	}
 
	//별 찍기
	for (int i = 0; i < n; i++)
	{
		int j_max = 3 * (int)pow(2.0f, (double)i);
		int j_min = 3 * (int)pow(2.0f, (double)(i - 1.0f));
 
		//별그리기
		for (int j = 1 ; j <= j_min; j++)
		{
			//별공간안에 있는 빈공간구하기
			string space_star;
			for (int k = 1; k <= (j_max-1) - (j-1) * 2; k++)
			{
				space_star += " ";
			}
 
			//별그린거랑 빈공간 합치기
			if (i != 0) star[j + j_min] = star[j] + space_star + star[j];
		}
	}
 
	//출력하기
	for (int i = 1; i <= input ; i++)
	{
		string space;
 
		//왼쪽 빈공간 구하기
		for (int j = 1; j <= (input-1) - i + 1; j++)
		{
			space += " ";
		}
		cout << space << star[i] << space << endl;
	}
}

Success #stdin #stdout 0s 16064KB

stdin

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stdout

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                                               *                                               
                                              * *                                              
                                             *****                                             
                                            *     *                                            
                                           * *   * *                                           
                                          ***** *****                                          
                                         *           *                                         
                                        * *         * *                                        
                                       *****       *****                                       
                                      *     *     *     *                                      
                                     * *   * *   * *   * *                                     
                                    ***** ***** ***** *****                                    
                                   *                       *                                   
                                  * *                     * *                                  
                                 *****                   *****                                 
                                *     *                 *     *                                
                               * *   * *               * *   * *                               
                              ***** *****             ***** *****                              
                             *           *           *           *                             
                            * *         * *         * *         * *                            
                           *****       *****       *****       *****                           
                          *     *     *     *     *     *     *     *                          
                         * *   * *   * *   * *   * *   * *   * *   * *                         
                        ***** ***** ***** ***** ***** ***** ***** *****                        
                       *                                               *                       
                      * *                                             * *                      
                     *****                                           *****                     
                    *     *                                         *     *                    
                   * *   * *                                       * *   * *                   
                  ***** *****                                     ***** *****                  
                 *           *                                   *           *                 
                * *         * *                                 * *         * *                
               *****       *****                               *****       *****               
              *     *     *     *                             *     *     *     *              
             * *   * *   * *   * *                           * *   * *   * *   * *             
            ***** ***** ***** *****                         ***** ***** ***** *****            
           *                       *                       *                       *           
          * *                     * *                     * *                     * *          
         *****                   *****                   *****                   *****         
        *     *                 *     *                 *     *                 *     *        
       * *   * *               * *   * *               * *   * *               * *   * *       
      ***** *****             ***** *****             ***** *****             ***** *****      
     *           *           *           *           *           *           *           *     
    * *         * *         * *         * *         * *         * *         * *         * *    
   *****       *****       *****       *****       *****       *****       *****       *****   
  *     *     *     *     *     *     *     *     *     *     *     *     *     *     *     *  
 * *   * *   * *   * *   * *   * *   * *   * *   * *   * *   * *   * *   * *   * *   * *   * * 
***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** *****

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