讨论串/cpp_gcc@rextester_bot

#include <bits/stdc++.h> using namespace std; int main() { float A, B, x, y; cin>>x>>y; A=(1+y)*(x+y*1./(x*x+4))*1./(exp(-(x+2))+sqrt(x*x+4)); B=(1+pow(tan(A*M_PI*1./2),2))*pow((x*x+4),1./5); cout<<"A= "<<A<<endl<<"B= "<<B; return 0; } /stdin -3.2 2.7