C PROGRAM TO SWAP TWO NUMBERS WITHOUT USING THIRD VARIABLE
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C PROGRAM TO SWAP TWO NUMBERS WITHOUT USING THIRD VARIABLE
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TOPIC - C PROGRAM TO SWAP TWO NUMBERS WITHOUT USING THIRD VARIABLE • C PROGRAM TO SWAP TWO NUMBERS WITHOUT...
*) Swap two numbers means exchange the values of two variables with each other.
*) The idea is to get a sum in one of the two given numbers. The numbers can then be swapped using the sum and subtraction from the sum.
*) This program needs two integer input variables.
first – input variable 1
second – input variable 2
*) We need a printf( ) statement to ask the user to enter the integer inputs.
*) Then we need a scanf( ) statement to read the input from the keyboard and store them into the variables first and second.
*) Then we need a printf( ) statement to print the values of first and second before swapping.
*) We need to swap the two input numbers using arithmetic operations.
first=first+second;
second=first-second;
first=first-second;
*) Then we need a printf( ) statement to print the values of first and second after swapping.