摘要：连连看 如上图所示如果采用传统bfs的话，如果按照逆时针方向从（1，1）-->（3，4）搜索，会优先选择走拐四次弯的路径导致ans错误； Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others 阅读全文

摘要：Sum It Up Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6448 Accepted Submission(s): 3365 Probl 阅读全文

摘要：How Many Equations Can You Find Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 985 Accepted Subm 阅读全文