Coders Challenge Group A (Round 1)

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Quizzes Created: 1 | Total Attempts: 200

Questions: 60 | Attempts: 200 | Updated: Mar 19, 2023

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Coders Challenge Group A (Round 1)

What is the meaning of the following declaration? int(*p[5])();

What is the output of this program? #include using namespace std; int main() { int arr[] = {4, 5, 6, 7}; int *p = (arr + 1); cout << *arr + 9; return 0; }

. int main() { int row[20],i,sum=0; int *p=row; for(i=0;i<20;i++) *(p+i)=1; for(i=0;i<20;i+=sizeof(int)) sum+=*(p+i); printf("sum=%d\n",sum); }

#include<stdio.h> int main() { int a=10,b=10; if(a==5) b--; printf("%d,%d",a,b--); }

Which is valid C expression?

What is the use of Namespace?

Which data structure type is NOT linear from the following?

Which of the followings is/are pointer-to-member declarator?

What will happen in this code? int a = 100, b = 200; int *p = &a, *q = &b; p = q;

What does the following declaration mean? int (*ptr)[10];

#include <stdio.h> void main() { int x = 0; if (x == 0) printf("hi"); else printf("how are u"); printf("hello"); }

Which of the following is not a valid variable name declaration?

#include <stdio.h> void main() { int x = 4, y, z; y = --x; z = x--; printf("%d%d%d", x, y, z); }

What is the output of this program? #include <iostream> using namespace std; enum colour { green, red, blue, white, yellow, pink }; int main() { cout << green<< red<< blue<< white<< yellow<< pink; return 0; }

#include <stdio.h> void main() { int a = 5, b = -7, c = 0, d; d = ++a && ++b || ++c; printf("\n%d%d%d%d", a, b, c, d); }

#include <stdio.h> int main() { float x = 'a'; printf("%f", x); return 0; }

. Which one of the following is correct about the statements given below? All function calls are resolved at compile-time in Procedure Oriented Programming. All function calls are resolved at compile-time in OOPS.

Which operator has highest precedence in * / % ?

#include <stdio.h> int main() { enum {ORANGE = 5, MANGO, BANANA = 4, PEACH}; printf("PEACH = %d\n", PEACH); }

The keyword ‘break’ cannot be simply used within _________

#include <stdio.h> struct student { char a[5]; }; void main() { struct student s[] = {"hi", "hey"}; printf("%c", s[0].a[1]); }

Which value can we not assign to reference?

Identify the incorrect option.

Which keyword is used to define the user defined data types?

Printf(“%d”,printf(“tim”));

Which operator is having the highest precedence?

Which is used to create a pure virtual function ?

#include <stdio.h> int fun(int arr[]) { arr = arr+1; printf("%d ", arr[0]); } int main(void) { int arr[2] = {10, 20}; fun(arr); printf("%d", arr[0]); return 0; }

#include <stdio.h> int main() { int x; x = 5 > 8 ? 10 : 1 != 2 < 5 ? 20 : 30; printf("Value of x:%d", x); return 0; }

#include <iostream> using namespace std; int main() { int x = 3, k; while (x-- >= 0) { printf("%d ", x); } return 0; }

Consider the following definition in c programming language struct node { int data; struct node * next; } typedef struct node NODE; NODE *ptr; Which of the following c code is used to create new node?

#include <iostream> using namespace std; class Test { public: Test() { cout << "Hello from Test() "; } } a; int main() { cout << "Main Started "; return 0; }

#include <stdio.h> int main() { int i = 25; int* j; int** k; j = &i; k = &j; printf("%u %u %u ", k, *k, **k); return 0; }

Which of the following data type will throw an error on modulus operation(%)?

The sizeof(void) in a 32-bit C is_____

What is the output of the following code? #include <stdio.h> int main() { int a = 1; switch (a) { case a: printf("Case A "); default: printf("Default"); } }

#include <iostream> using namespace std; int main() { int i; for (i=0; i<3; i++); cout << "hello!" <<i; return 0; }

#include<iostream> using namespace std; int x=20; int main() { int x = 10; cout << "Value of global x is " << ::x << endl; return 0; }

What is the output of the following code? #include <iostream> using namespace std; int main ( ) { static double i; i = 20; cout << sizeof(i); return 0; }

What is the output of the following program? #include <iostream> using namespace std; int main() { int num1 = 10; float num2 = 20; cout << sizeof(num1 + num2); return 0; }

Struct stock { int scale; char code[10]; } S={11,“food”}; int main() { printf(“%d”,scale); }

#include <iostream> using namespace std; int main() { int a = 5, b = 10, c = 15; int *arr[ ] = {&a, &b, &c}; cout << arr[1]; return 0; }

Which of the following type of class allows only one object of it to be created?

Can we typecast void into int?

What is the type of variable ‘b’ and ‘d’ in the below snippet? int a[], b; int []c, d;

BOSS is developed by ________

What is size of generic pointer in C++ (in 32-bit platform) ?

What will be the output of the following code? int a=36,b=9; printf(“%d”,a>>a/b-2);

What will be the output of the following code? main() { int x=15; printf(“\n%d%d%d”,x!=15,x=20,x<30); }

Which reference modifier is used to define reference variable?

What is the output of this program? #include using namespace std; int main() { int arr[] = {4, 5, 6, 7}; int p = (arr + 1); cout << arr + 9; return 0; }

. int main() { int row[20],i,sum=0; int p=row; for(i=0;i<20;i++) (p+i)=1; for(i=0;i<20;i+=sizeof(int)) sum+=*(p+i); printf("sum=%d\n",sum); }

What will happen in this code? int a = 100, b = 200; int p = &a, q = &b; p = q;