Code:
#include <conio.h>
#include <iostream.h>
void swap1(int x, int y);
void swap2(int &x, int &y);
void main(){
clrscr();
int a=3;
int b=5;
cout<<"a b"<<endl;
cout<<a<<" "<<b<<endl;
swap1(a,b);
cout<<a<<" "<<b<<endl;
swap2(a,b);
cout<<a<<" "<<b<<endl;
getch();
}
void swap1(int x, int y){
int tam=x;
x=y;
y=tam;
}
void swap2(int &x, int &y){
int tam=x;
x=y;
y=tam;
}
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Admin: cách truyền tham biến này theo C++