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Computer Sorting Algorithms Difficulty: Medium

Conversion of an octal number 20 8 to its binary number is What is the purpose of the intersection() method for sets? What will be the output of the following Java code? class static_out { static int x; static int y; void add(int a, int b) { x = a + b; y = x + b; } } public class static_use { public static void main(String args[]) { static_out obj1 = new static_out(); static_out obj2 = new static_out(); int a = 2; obj1.add(a, a + 1); obj2.add(5, a); System.out.println(obj1.x + " " + obj2.y); } } Which special balanced binary search tree is used to store the nodes of auxiliary tree? What will be the output of the following C code? #include <stdio.h> int main() { char c; int i = 0; FILE *file; file = fopen("test.txt", "w+"); fprintf(file, "%c", 'a'); fprintf(file, "%c", -1); fprintf(file, "%c", 'b'); fclose(file); file = fopen("test.txt", "r"); while ((c = fgetc(file)) != -1) printf("%c", c); return 0; }