SpletMethod3 One can also swap two variables using a macro. However, it would be required to pass the type of the variable to the macro. Also, there is an interesting problem using macros. Suppose you have a swap macro which looks something like this #define swap (type,a,b) type temp;temp=a;a=b;b=temp; SpletFollowing is the complete C implementation to swap two numbers without using a third temporary variable by using + and - operators: // Part of iq.opengenus.org #include int main() { int a=5, b=10; printf("Before swap: a=%d ; b=%d",a,b); a=a+b; b=a-b; a=a-b; printf("\nAfter swap: a=%d ; b=%d",a,b); return 0; } Approach 2: Using * and /
How to swap values in 2 fields -IBM Mainframes
Splet26. jun. 2024 · In the above program, two variables a and b are declared and initialized dynamically at run time. int a,b; printf ("Enter the value of a : "); scanf ("%d", &a); printf … Splet18. okt. 2024 · 1) Append second string to first string and store in first string: a = a + b 2) Call the Substring Method (int startIndex, int length) by passing startindex as 0 and length … charm soju korean liquor
Swap values of 2nd variables without using 3rd variable in C …
Splet04. avg. 2024 · C Programming - Beginner to Advanced; Web Development. Full Stack Development with React & Node JS(Live) Java Backend Development(Live) Android App Development with Kotlin(Live) Python Backend Development with Django(Live) Machine Learning and Data Science. Complete Data Science Program(Live) Mastering Data … Splet17. sep. 2010 · Always use a third variable. EDIT : As @caf noticed b^=a^=b is fine even though the order of evaluation of arguments of ^= operator is unspecified, since all the … Splet11. mar. 2024 · There are 5 methods to do swap two numbers without using a temporary variable. Below are the methods. Method 1: Using Arithmetic operators + and - C C++ Java 8 xxxxxxxxxx 12 1 #include 2 int main() 3 { 4 int a, b; 5 printf("Enter two numbers: "); 6 scanf("%d %d", &a, &b); //consider two numbers as 4 and 5 7 a = a + b; //a = 4 + 5 = 9 8 charon jenkins cuprik