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Asked in TCS and 15 others

Write a program to swap two numbers without using a temporary variable.

AnswerBot
1y

Swapping two numbers without using a temporary variable in a program.

  • Use bitwise XOR operation to swap two numbers without using a temporary variable.

  • Example: int a = 5, b = 10; a = a ^ b; b = a ^ b; ...read more

Goutham Karthi
1y
int a = 1, b = 2; a = a + b; //a = 1 + 2 a = 3 b = a - b; //b = 3 - 2 b = 1 a = a - b; //a = 3 - 1 a = 2 printf(“After Swapping A is %d B is %d”, a,b);
Anonymous
1y
a=a+b b=a-b a=a-b
Sonali Wadekar
2y

a=a+b

b=a-b

a=a-b

we want add firstly

then do substraction

PrepInsta
3y
a=(input(“Enter value : “)) b=(input(“Enter value : “)) print(“Before swapping a :”,a) print(“Before swapping b :”,b) #logic to swap without using third variable a,b=b,a print(“After...read more
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