http://acm.hit.edu.cn/hoj/problem/view?id=2541
注意格式
#include<stdio.h>
int main()
{
int m, n, i, j;
while (scanf("%d %d", &m, &n) != EOF)
{
for (i = 1; i <= m; i++)
{
for (j = 0; j < m - i; j++)
putchar(' ');
for (j = 1; j <= 2 * i-1; j++)
printf(".");
printf("\n");
}
for (i = 1; i <= n; i++)
{
for(j = 0; j < m - 1; j++)
putchar(' ');
printf("|\n");
}
}
return 0;
}