题目如下:
代码如下:
#include <iostream> #include <cmath> using namespace std; void out1(int a) { int t1,t2; if(a==1) { cout<<"2(0)"; return; } t1=int(log(a)/log(2)); t2=a-pow(2,t1); cout<<"2"; if(t1!=1) { cout<<"("; out1(t1); cout<<")"; } if(t2!=0) { cout<<"+"; out1(t2); } } main() { int a; cin>>a; out1(a); }
运行结果如下:
还有一个: