摘要：
The football season has just ended in Berland. According to the rules of Berland football, each match is played between two teams. The result of each 阅读全文
摘要：
大家知道Fibonacci数列吧, f[1]=1, f[2]=1, f[3]=2, f[4]=3…, 也就是f[n]=f[n-1]+f[n-2]，现在问题很简单，输入n和m，求前n项和取模m。 阅读全文