Kuis Pointer 1
Authored by 089_Gradiva undefined
Information Technology (IT)
University
Used 2+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
void modify(int*& ptr) {
int local = 20;
ptr = &local;
}
int main() {
int x = 10;
int* p = &x;
modify(p);
cout << *p << endl; // Apa hasil ini?
}
20
10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
int main() {
int arr[] = {10, 20, 30, 40};
int* p = arr + 2;
cout << (p++) << " " << (++p) << endl; // Apa hasil ini?
}
30 40
40 30
30 (angka acak)
40 (angka acak)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
int main() {
int* p = nullptr;
if (p)
cout << "Not null";
else
cout << "Null";
}
Not null
Null
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
int main() {
int a = 10;
int* p1 = &a;
int*& ref = p1;
int b = 20;
ref = &b;
cout << p1 << " " << ref << endl;
}
20 10
10 10
10 20
20 20
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
int main() {
int x = 10;
int* p = &x;
delete p;
cout << x << endl;
}
10
Compile error
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
int main() {
int arr[] = {1, 2, 3, 4, 5};
int* p = arr + 4;
cout << *(p - 2) << endl;
}
2
3
4
Undefined (nilai gajelas)
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