void main() { int a=10,b=20; a=a+b; b=a-b; a=a-b; }

swap two number wthout using third variable

Question Posted / jvhariharan

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Answer Posted / jvhariharan

void main()
{
int a=10,b=20;
a=a+b;
b=a-b;
a=a-b;
}

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