大家注意,當除數(shù)定義為int 時,即使C定義為float型,輸出結果仍然默認為取整數(shù),故要將除數(shù)定位為float型,這樣就能得到你想要的結果。
#include<iostream>
int main(int argc,char **argv)
{ float a=3;
int b=8;
float c=b / a;
std::cout<<"c:\n"<<c;
return 0;
}
#include<iostream>
int main(int argc,char **argv)
{ float a=3;
int b=8;
float c=b / a;
std::cout<<"c:\n"<<c;
return 0;
}
#include <stdio.h>
int main()
{
float a,b,c;
a=1;
b=2;
c = a /b;
printf("c: %f\n", c);
return 0;
}
int main()
{
float a,b,c;
a=1;
b=2;
c = a /b;
printf("c: %f\n", c);
return 0;
}
#include <stdio.h>
int main()
{
printf("Hello World! This is C Style\n");
printf("Hello World! This is C++ Style\n");
return 0;
}
int main()
{
printf("Hello World! This is C Style\n");
printf("Hello World! This is C++ Style\n");
return 0;
}
記住C++是用iostream
int main(int argc,char** argv){
std::cout<<"輸入語句"<<std::endl;
return 0;
}
int main(int argc,char** argv){
std::cout<<"輸入語句"<<std::endl;
return 0;
}