列印菱形圖案——對稱和不對稱
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#include <stdio.h>
#include<Windows.h>
int main()
{
int i = 0, j = 0, t = 0;
for (i = 1; i <= 7; i++) /*列印七行*/
{
for (j = 1; j <= 7 - i; j++)
{
printf(" "); //列印空格
}
for (t = 1; t <= 2 * i - 1; t++)
{
printf("*");//列印星號
}
printf("\n");
}
for (i = 8; i <= 13; i++)
{
for (j = 1; j<=i - 7; j++)
{
printf(" ");//列印空格
}
for (t = 1; t <= (14 - i) * 2 - 1; t++)
{
printf("*");//列印星號
}
printf("\n");
}
system("pause");
return 0;
}
*
***
*****
*******
*********
***********
*************
***********
*********
*******
*****
***
*
#include<stdio.h>
#include<windows.h>
int main()
{
int i = 0,j=0;
for (i = 1; i <= 7; i++)
{
for (j = 1; j <= 2 * i - 1; j++)
{
printf("*");
}
printf("\n");
}
for (i = 8; i <= 13; i++)
{
for (j =1; j <=(14-i)*2-1; j++)
{
printf("*");
}
printf("\n");
}
system("pause");
return 0;
}
先思考圖形的規律,上下對稱,再寫程式碼
優化:自定義行數程式碼
#include <stdio.h>
#include<Windows.h>
int main()
{
int i = 0, j = 0, t = 0; int line = 10;
for (i = 1; i <= line; i++)/*列印行*/
{
for (j = 1; j <= line - i; j++)
{
printf(" ");//列印空格
}
for (t = 1; t <= 2 * i - 1; t++)
{
printf("*");//列印星號
}
printf("\n");
}
for (i = 1; i <= line-1; i++)
{
for (j = 1; j<=i ; j++)
{
printf(" ");//列印空格
}
for (t = 1; t <= (line - i) * 2 - 1; t++)
{
printf("*");//列印星號
}
printf("\n");
}
system("pause");
return 0;
}