摘要： 八、输出9*9口诀。#includeint main(){ int r[9]={1,2,3,4,5,6,7,8,9}; int c[9]={1,2,3,4,5,6,7,8,9}; int i,j; printf("0\t1\t2\t3\t4\t5\t6\t7\t8\t9\n"); for(i=1;iint F_rabbit(unsigned int x){ if(x==0) return 0; if(x==1||x==2) return 2; else return F_rabbit(x-1)+F_rabbit(x-2);}int main(){... 阅读全文