C Language MCQ - English
What will be the output of the program?#include<stdio.h>
int check (int, int);
int main()
{
int c;
c = check(10, 20);
printf("c=%d\n", c);
return 0;
}
int check(int i, int j)
{
int *p, *q;
p=&i;
q=&j;
i>=45 ? return(*p): return(*q);
}
Answer : D
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1) Point out the error in the program#include<stdio.h>
int main()
{
int a=10;
void f();
a = f();
printf("%d\n", a);
return 0;
}
void f()
{
printf("Hi");
}
2) What will be the output of the program?#include<stdio.h>
int fun(int, int);
typedef int (*pf) (int, int);
int proc(pf, int, int);
int main()
{
printf("%d\n", proc(fun, 6, 6));
return 0;
}
int fun(int a, int b)
{
return (a==b);
}
int proc(pf p, int a, int b)
{
return ((*p)(a, b));
}
3) What will be the output of the program?#include<stdio.h>
int sumdig(int);
int main()
{
int a, b;
a = sumdig(123);
b = sumdig(123);
printf("%d, %d\n", a, b);
return 0;
}
int sumdig(int n)
{
int s, d;
if(n!=0)
{
d = n%10;
n = n/10;
s = d+sumdig(n);
}
else
return 0;
return s;
}
4) What will be the output of the program?#include<stdio.h>
int addmult(int ii, int jj)
{
int kk, ll;
kk = ii + jj;
ll = ii * jj;
return (kk, ll);
}
int main()
{
int i=3, j=4, k, l;
k = addmult(i, j);
l = addmult(i, j);
printf("%d %d\n", k, l);
return 0;
}
5) What will be the output of the program?#include<stdio.h>
int main()
{
int fun(int);
int i = fun(10);
printf("%d\n", --i);
return 0;
}
int fun(int i)
{
return (i++);
}