摘要：
1 //#include <iostream> 2 //#include <cmath> 3 //using namespace std; 4 //int main(){ 5 // freopen("in.txt","r",stdin); 6 // freopen("out.txt","w",std 阅读全文
摘要：
1 #include <iostream> 2 #include <cmath> 3 using namespace std; 4 int main(){ 5 double x,n,h=0.0; 6 cin>>x>>n; 7 for(int i=1;i<=n;i++){ 8 if(i==1){ 9 阅读全文