
BugBlitz
Authored by chetan nandurkar
Engineering
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q1: What is the output?
(Pointer Arithmetic & Undefined Behavior)
c
#include <stdio.h>
int main()
{ int arr[] = {10, 20, 30};
int *p = arr;
printf("%d", p++ + ++*p);
return 0; }
21
31
Undefined Behaviour
Compilation Error
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q2: What does this code print?
(Function Pointers & Recursion)
c
#include <stdio.h>
int (*func(int x))(int) {
return x > 0 ? func : NULL; }
int main() {
printf("%p", func(5)(0));
return 0; }
0
segmentation fault
Address of func
Compilation Error
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q3: What is the output? (Templates & SFINAE)
cpp
#include <iostream>
template auto foo(T x) -> decltype(x + 1)
{ return x + 1;
} int main()
{ std::cout << foo("hello");
return 0; }
hello1
Compilation Error
Undefined Behavior
Runtime Error
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q4: What does this code output? (Lambda & Capture Semantics)
cpp
#include <iostream>
int main() {
int x = 10;
auto f = [&x]() mutable { x = 20; };
f(); std::cout << x; return 0; };
10
20
Comilation Error
Undefined Behavior
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q5: What is the output? (Metaclasses & Inheritance)
python
class Meta(type):
def new(cls, name, bases, dct):
dct['x'] = 100
return super()._new_(cls, name, bases, dct)
class A(metaclass=Meta):
pass
print(A.x)
100
AttributrError
TypeError
0
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q6: What does this code print? (Generator Coroutines)
python
def gen():
yield (yield (yield 1))
g = gen()
print(next(g))
print(g.send(2))
print(g.send(3))
1 2 3
1 3 stopiteration
1 2 stopiteration
TypeError
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Q7: What happens with this CSS Grid? (Subgrid & Alignment)
css
.container {
display: grid;
grid-template-columns: subgrid;
gap: 10px;
}
.item {
grid-column: span 2; }
Items span 2 columns in a subgrid
subgrid is invalid
Items stack vertically
Overlapping items
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