Freaks City

Overview of expr The expr command is used for integer arithmetic and string operations (like length and pattern matching) in shell scripts. 1. Syntax and Basic Usage Only integer arithmetic is supported. Operators and numbers must be separated by spaces; otherwise, errors occur. The multiplication operator (*) must be escaped. When using expr i ...

#include <stdio.h> int main() { int first, second, third; int total; printf("Enter three integers separated by spaces:\n"); scanf("%d %d %d", &first, &second, &third); total = first + second + third; printf("Sum: %d\n", total); return 0; } The program b ...