C++中小数点输出格式(实例代码)

#include
#include
using namespace std;
int main(void){
  double s;
  cin>>s;
  
  if(s*95>=300){
    cout<

Floating point output can be changed with
<

#include 
#include 
using namespace std;

int main(void){
  double S = 0.000000123;
  double A = 456.7;
  double B = 8910000000000.0;

  cout <<"default precision is "
     <
            var cpro_id = "u6885494";