HDU - 2091 - 空心三角形(模拟) 空心三角形
空心三角形Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 49981 Accepted Submission(s): 13524Problem Description把一个字符三角形掏空,就能节