Groups Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1966 Accepted Submission(s): 778 Problem Description After the regional contest, all the ACMers are walking alone a very long avenue to…
染色判断二分图+补图 比赛的时候题意居然是反的,看了半天样例都看不懂 .... Divide Groups Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 456 Accepted Submission(s): 172 Problem Description This year is the 60th anniversary o…