Today we show you how to swap two numbers without temp or how to swap two numbers without using third variable in c++ and c++ program to swap two numbers. how to swap two number in cpp with using third variable and swap with third variable
How to swap two numbers without using third variable in c++
using namespace std;
int main() {
int a,b;
cout<<“Enter two numbers”<<endl;
cin>>a;
cin>>b;
cout<<“Before swap:n a=”<<a <<“n b=”b<<endl);
a=a+b;
b=a-b;
a=a-b;
cout<<“After swap:n a=”<<a <<“n b=”b<<endl);
return 0;
}
4
5
Before swap:
a=4
b=5
After swap:
a=5
b=4
C program to swap two numbers
using namespace std;
int main() {
int a,b,temp;
cout<<“Enter two numbers”<<endl;
cin>>a;
cin>>b;
cout<<“Before swap:n a=”<<a <<“n b=”b<<endl);
temp=a;
a=b;
b=temp;
cout<<“After swap:n a=”<<a <<“n b=”b<<endl);
return 0;
}
4
5
Before swap:
a=4
b=5
After swap:
a=5
b=4
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