C 語言中的在方塊內部列印方塊程式
程式說明
按如下所示在方塊中列印方塊

演算法
Accept the number of rows the outer Square to be drawn Display the Outer Square with the number of rows specified by the User. Display another square inside the outer square.
示例
/* Program to print Square inside Square */
#include <stdio.h>
int main()
{
int r, c, rows;
clrscr();
printf("Enter the Number of rows to draw Square inside a Square: ");
scanf("%d", &rows);
printf("
");
for (r = 1; r <= rows; r++){
for (c = 1; c <= rows; c++){
if ((r == 1 || r == rows || c == 1 || c == rows) || (r >= 3 && r <= rows - 2 && c >= 3 && c <= rows - 2) && (r == 3 || r == rows - 2 || c == 3 || c == rows - 2)){
printf("#");
}
else{
printf(" ");
}
}
printf("
");
}
getch();
return 0;
}輸出

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