2017年10月9日
POJ 1947 Rebuilding Roads
摘要： Rebuilding Roads Description The cows have reconstructed Farmer John's farm, with its N barns (1 <= N <= 150, number 1..N) after the terrible earthqua 阅读全文
posted @ 2017-10-09 14:44 SXia 阅读(222) 评论(0) 推荐(0) 编辑