摘要: #include #include using namespace std; int sum; int f(int n,char a,char b,char c){ if(n == 1){printf("1 from a to b\n");sum++;return sum;} else { f(n-1,a,c,b); printf("%d fro... 阅读全文
posted @ 2016-10-11 19:50 默问柳 阅读(219) 评论(0) 推荐(0) 编辑