hfcnal

摘要： Time Limit:3000MSMemory Limit:Unknown64bit IO Format:%lld & %lluSubmitStatusDescriptionDuring the early stages of the Manhattan Project, the dangers o... 阅读全文

摘要： sendatable When participating in programming contests, you sometimes face the following problem: You knowhow to calcutale the output for the given in... 阅读全文

摘要： 这个困扰了自己好久，终于找到了解释，还有自己改动了一点点，耐心看完一定能加深理解扩展欧几里德算法－求解不定方程，线性同余方程。 设过s步后两青蛙相遇，则必满足以下等式： (x+m*s)-(y+n*s)=k*l(k=0,1,2....) 稍微变一下形得： (n-m)*s+k*l=x-y... 阅读全文