joj2318

2318: Diamond

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ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE3s16384K1526571Standard

Draw a diamond shape with character '*'.

Input

There are several lines in the input, each line is a integer N(N<100), N is zero means the end of input.

Output

For each line of input, draw a diamond whose width is N like sample. Notice there is no unnecessary spaces after '*' in the same line.

Output a blank line after each case.

Sample Input

30

Sample Output

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

Problem Source: skywind

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This problem is used for contest: 51  153 

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Problem Set with Online Judge System Version 3.12
Jilin University

Developed by skywind, SIYEE

 

 

 

 

#include<cstdio>
void draw(int n)
{
    for(int i=1;i<=n;i++)
    {
        for(int j=n+1-i;j>1;j--)printf(" ");
        for(int j=1;j<=2*i-1;j++)
        printf("*");
        printf("\n");
    }
   for(int i=1;i<n;i++)
   {
       for(int j=1;j<=i;j++)printf(" ");
       for(int j=1;j<2*(n-i);j++)printf("*");
       printf("\n");
   }
}
int main()
{
    //freopen("in.txt","r",stdin);
   // freopen("out.txt","w",stdout);
    int n;
    bool first=false;
    while(scanf("%d",&n),n)
    {
        first=true;
        draw(n);
        printf("\n");
    }
    return 0;
}