代码块 #includestdio.h #includestdlib.h //算法是最费心思，也是最有趣的事情了，char字符也很有趣，使用字符画矩形。 //简单的程序很多问题，不过乐乐而已 int main ( void ) { FILE * fp ; //保存的
代码块
#include<stdio.h>#include<stdlib.h>
//算法是最费心思，也是最有趣的事情了，char字符也很有趣，使用字符画矩形。
//简单的程序很多问题，不过乐乐而已
int main(void)
{
FILE *fp;//保存的文件
int i, total;//字符总数
int row, col;//行列数
char ch; //初始字符
char count[80][80];//字符矩阵
puts("Enter the total of rings: ");
scanf("%d", &total);
ch = 32;
for (row = 1; row <= 2 * total; row++)
for (col = 1; col <= 2 * total; col++)
count[row][col] = 0;
//置空数组
//row:1…n
// col:1…n
// v[r,c]=0
/*利用循环语句分别输出上下左右四条边，注意每个圈往里缩一个位置*/
for (i = 1; i <= total; i++)
{
row = i;
for (col = i + 1; col <= 2 * total - i; col++)//绘制倒三角，上边框
{
count[row][col] = ch;
}
row = 2 * total - i + 1;
for (col = i + 1; col <= 2 * total - i; col++)//绘制正三角，下边框
{
count[row][col] = ch;
}
col = i;
for (row = i; row <= 2 * total - i + 1; row++)//绘制左三角，左边框
{
count[row][col] = ch;
}
col = 2 * total - i + 1;
for (row = i; row <= 2 * total - i + 1; row++)//绘制右三角，右边框
{
count[row][col] = ch;
}
ch++;
}
/*利用判断语句输出上下左右四条边，注意每个圈往里缩一个位置*/
for (i = 1; i <= total; i++)
{
for (row = i; row <= 2 * total - i; row++)
for (col = i; col <= 2 * total - i; col++)
if (row == i || row == 2 * total - i || col == i || col == 2 * total - i)
count[row][col] = ch;
ch++;
}
if ((fp = fopen("sdas.txt", "w")) == NULL)
{
fprintf(stderr, "\nError opening file \n");
exit(1);
}
/*输出数组（即图案）*/
for (row = 1; row <= 2 * total; row++)
{
for (col = 1; col <= 2 * total; col++)
{
fprintf(fp, "%c ", count[row][col]);//输出到文件，
fprintf(stdout, "%c ", count[row][col]);//输出到屏幕
}
fprintf(fp, "\n");
fprintf(stdout, "\n");
}
system("pause");
return 0;
}