Differentiate between Macro and ordinary definition.
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#include<stdio.h> void main() { int a=10,b=20,c=30; printf("%d",scanf("%d%d%d",&a,&b,&c)); } what is the output for this?
program to find a smallest number in an array
What are runtime error?
int n=1; while(1) { switch(n) { case 1:printf("a"); n++; continue; case 2:printf("b"); n++; continue; default : printf("c"); break; } break; }
char S; char S[6]= " HELLO"; printf("%s ",S[6]); output of the above program ? (0, ASCII 0, I,unpredictable)
What will the preprocessor do for a program?
Write a c pgm for leap year
11 Answers College School Exams Tests, IBM, TCS,
Explain is it better to bitshift a value than to multiply by 2?
print ur name 20,000 times without using inbuilt library functions like printf,scanf,gets,puts,getchar or putchar
18)struct base {int a,b; base(); int virtual function1(); } struct derv1:base{ int b,c,d; derv1() int virtual function1(); } struct derv2 : base {int a,e; } base::base() { a=2;b=3; } derv1::derv1(){ b=5; c=10;d=11;} base::function1() {return(100); } derv1::function1() { return(200); } main() base ba; derv1 d1,d2; printf("%d %d",d1.a,d1.b) o/p is a)a=2;b=3; b)a=3; b=2; c)a=5; b=10; d)none 19) for the above program answer the following q's main() base da; derv1 d1; derv2 d2; printf("%d %d %d",da.function1(),d1.function1(),d2.function1 ()); o/p is a)100,200,200; b)200,100,200; c)200,200,100; d)none 20)struct { int x; int y; }abc; you can not access x by the following 1)abc-->x; 2)abc[0]-->x; abc.x; (abc)-->x; a)1,2,3 b)2&3 c)1&2 d)1,3,4
What is the difference between abs() and fabs() functions?
how can we use static and extern?and where can we use this?