=== Medusa Cpp Study 숙제 ===
정사각형..
{{{~cpp 
#include <iostream> 
 
using std::cout; 
using std::cin; 
using std::endl; 
 
int main () 
{ 
        int num; 
        cout << " 숫자를 입력하시오 :" ; 
        cin >> num; 
 
        int rows = num ; 
        int cols = num ; 
 
        for( int r=0; r!=rows; r++) 
        {   
                for (int c=0; c != cols; c++) 
                {        
                        if(r==0 || r== rows-1 ) 
		      {
			cols=num*2-1;
						
			if( c%2==0 || c==cols-1)
                        
             	             cout << "*"; 
                                 
			else  
                 
                                cout << " " ; 
		      }
		      
                        else if (c==0 || c==cols-1)
					
			cout <<"*";

		     else 
			cout << " ";
                } 
                 
                cout << endl; 
         
        } 
                return 0; 
} 
}}}
----
직사각형
{{{~cpp 
#include <iostream>  
  
using std::cout;  
using std::cin;  
using std::endl;  
  
int main ()  
{  
        int width, length ;
        cout<< "두개의 숫자를 입력하세요 :" ;
        cin >> width >> length ;

  
        int rows = length ;  
        int cols = width ;  
  
        for( int r=0; r!=rows; r++)  
        {    
                for (int c=0; c != cols; c++)  
                {         
                        if(r==0 || r== rows-1 )  
                      { 
                        cols=width*2-1; 
                                                 
                        if( c%2==0 || c==cols-1) 
                         
                             cout << "*";  
                                  
                        else   
                  
                                cout << " " ;  
                      } 
                       
                        else if (c==0 || c==cols-1) 
                                         
                        cout <<"*"; 
 
                     else  
                        cout << " "; 
                }  
                  
                cout << endl;  
          
        }  
                return 0;  
}  
}}}
----
정삼각형
{{{~cpp 
#include <iostream>   
   
using std::cout;   
using std::cin;   
using std::endl;   
   
int main ()   
{
	int num; 
	cout << "숫자를 입력하세요 :" ;
	cin >> num ;

	int rows = num ;
	int cols = num ;

	int r=0;
	while(r!=rows)
	{
		for ( int c=0; c!=cols; c++)
		{
			if (r==0)
			{
				if(c==cols-1)
					cout << "*";
				else 
					cout << " ";
			}
			else if(r==rows-1)
			{
				cols=num*2-1;
	
				if(c%2==0)
					cout << "*";
				else 
					cout << " ";
			}
			else 
			{
				if (c==cols-1)
					cout << "*";
				else
				{	
					if(c==num-r-1)
						cout << "*";
					else
						cout << " ";
				}
			}

		}

		cout << endl;
		r++;
		cols++;
	}

	return 0;
}
}}}
----
큰 수 4개 
{{{~cpp 
#include <iostream>
#include <algorithm>
#include <vector>

using std::cout;
using std::cin;
using std::endl;
using std::vector;
using std::sort;

int main()
{   
	cout << "숫자를 입력하세요 :";

	vector<int> number;
	
	int num;
	while(cin >> num)
		number.push_back(num);

	int size= number.size();
	
	sort(number.begin(), number.end());

	if(size < 4)
	{
		int i = 0;
		while(i < number.size() && i < 4)
		{
			cout << number[i] << ", ";
			i++;
		}
	}
	else
	{
		cout << number[size - 4] << ", " << number[size - 3] << ", "
			 << number[size - 2] << ", " << number[size - 1];
	}
	
	cout << endl;

	return 0;
}
}}}
----
문자열 입력 받아 가장 큰 거랑 가장 작은 거 길이 출력
{{{~cpp 
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>

using std::sort;
using std::vector;
using std::cin;
using std::cout;
using std::endl;
using std::string;

int  main()
{
	cout << "아무글이나 쓰시오 :";
	string word;

	vector<int> nums;

	while(cin >> word)
	{
		if(word != ";")
		{
			int size = word.size();
			nums.push_back(size);
		}
		else
			break;
	}

	sort(nums.begin(), nums.end());

	cout << nums[0] << ", " << nums[nums.size() - 1] << endl;

	return 0;
}
}}}
----
{{{~cpp 
#include <iostream> 
#include <vector> 
 
using std::cin; 
using std::cout; 
using std::endl; 
using std::vector; 
 
int main() 
{  
	int size ; 
	cout << "숫자를 입력하세요 : ";
	cin >> size; 
	
	while(size%2==0)
	{
		cout << "짝수입니다 . 다시 입력하세요 :";
		cin >> size;
	}
	
	vector< vector<int> > board(size); 
    for(int i = 0; i < size; i++) 
		board[i].resize(size);

    int row=0;
	int col=size/2;
	board[row][col]=1;
	
	int num=2;
	while(num!=size*size+1)
	{
		row--;
		col++;
		
		if(board[row][col]==0)
		{
			if(row < 0)
				row = size-1;
			if(col > size-1)
				col = 0;
			if(row < 0 && col > size-1)
			{
				row = size-1;
				col = 0;
			}
		}
		else
		{
			row += 2;
			col--;
		}
		board[row][col]=num;
		num++;
	}
	
	for(int r = 0; r < size; r++) 
        { 
                for(int c = 0; c < size; c++) 
                { 
                        cout << board[r][c] << "\t"; 
                } 
                cout << endl; 
        } 
		
   return 0; 
} 
}}}
----
[MedusaCppStudy]