better_space的博客

还是畅通工程 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 40237    Accepted Submission(s): 18283 Problem Description 某省调查乡村交通状况，得到的统计表中列出了

畅通工程 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 25953    Accepted Submission(s): 11312 Problem Description 省政府“畅通工程”的目标是使全省任何两个村庄间

连接的管道 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2432    Accepted Submission(s): 880 Problem Description 老 Jack 有一片农田，以往几年都是靠天吃饭的。