C Challenge

C Challenge

The Test has been designed by Director of Aspire Institute , Raithatha Yash .This Challenge checks ur fundamentals in C language . This test will be helpful to all the students who are preparing for their placement . In case of any query please fil

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C Challenge
1. main() {
char s[ ]="man";
int i;
for(i=0;s[ i ];i++)
printf("\n %c", i[s] );
}//What is o/p?
C Challenge
2. main(){
static int var = 5;
if(--var)
main();
printf("%d ",var++);
}//What is o/p?
C Challenge
3. main() {
float c[]={1,2.2,3.2};
float i,*p=c,*q=c;
for( i =0; i<3;i++,*q++;)
printf("%2.1f ",*c);
for(i=0 ; i<3 ; i++,(*p)++)
printf("%2.1f ",*p);
}//What is o/p?
C Challenge
4. main() {
printf("\rbba");
printf("\baab");
printf("\raa");
}//What is o/p?
Otázka 4 out of 20
C Challenge
5. main()
{
char str[] = "Hello World";
display(str);
}
void display(char *string)
{
printf("%s",string);
}//What is o/p?
C Challenge
6. main()
{
int a[3][2][2] = { {1,2,3,4}, {5,6,7,8},{9,10,11,12} };
int *p,*q;
p=&a[3][2][2];
*q=***a;
printf("%d-%d",*p,*q);
}//What is o/p?
C Challenge
7. #define f(a,b) a/b
main() {
int x=5,y=6;
printf("\n%d",f(x*6,y*x));
}//What is o/p?
Otázka 7 out of 20
C Challenge
8. main() {
char *ch="Computer ";
while(*ch!='\0') {
++*ch;
printf("%c ",*ch); ch ++; }
}//What is o/p?
C Challenge
9. main() { static char names[5][7]={"pascal","java","cobol","fortran","perl"}; int i; char *ch; ch=names[3]; names[3]=names[4]; names[4]=ch; printf("%s",names[4]); }
C Challenge
10. enum colors {BLACK,BLUE,GREEN}
main() {
int i=1;
switch(i) {
case BLACK: printf("GOOD");
break;
case BLUE: printf("BAD");
break;
}
}
C Challenge
11. main( ) {
int x=10,y=10,*p1,*p2,k;
p1=&x;
p2=&y;
k=5 + *p1 /*p2;
printf(“%d”,k);
}
Otázka 11 out of 20
C Challenge
12. main( ) {
char *q;
int j;
for (j=0; j<3; j++)
scanf(“%s” ,(q+j));
printf(“%s” ,(q));
}//Input are:YASH ,PRIYAM,JAYESH
C Challenge
13. main ( ) {
static char *ch[ ] = {"black", "white", "yellow", "violet"};
char **ptr[ ] = {ch+3, ch+2, ch+1, ch}, ***p;
p = ptr;
**++p;
printf(" %s",(*--*--p + 4));
}
Otázka 13 out of 20
C Challenge
14. main() {
void f1();
void f2();
f1();
}
void f1() {
f2();
printf(“in f1”);
}
void f2() {
printf(“in f2”);
}//what is o/p?
C Challenge
15. f2(a,b)
int a;
float b; {
return( a = !(a==b) );
}
main() {
int p1(), f2();
printf("The value is %d \n ",p1(f2,6,6.0));
}
p1(f2,val1,val2)
int (*f2) ();
int val1;
float val2;
{
return((*f2) (val1,val2));
}
C Challenge
16. main() {
char *p; int *q; long *r;
p=q=r=0;
p++; q++; r++;
printf("%p...%p...%p",p,q++,r++);
}
C Challenge
17. void scan(int* size) {
*size=110;
}
main() {
int array_size;
scan(&array_size);
printf("%d",array_size);
}
C Challenge
18. f(int n) {
If(n>0) return (n + f(n-1));
}
main() {
printf(“%d”,f(10));
}
C Challenge
19. main() {
Char *ch = “hello”;
printf(ch);
}
C Challenge
20. void main(){
int x=1,y=0;
if (++x > 2)
if(++y<5)
y=100;
else
x=100;
printf(“ %d %d”, x,y);
}