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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. class A {
  4. public:
  5.     A() { cout << "Constructor\n"; }
  6. };
  7. int main()
  8. {
  9. 	//A* a1 = (A*)malloc(sizeof(A));  // ❌ constructor NOT called
  10. 	A* a2 = new A();  
  11. 	int* p = new int; // throws std::bad_alloc
  12. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin 
4
abas 
ytre
wsed
rtft
stdout 
Constructor
https://ideone.com/4Wzf7I
language:
C++14 (gcc 8.3)
created:
2 hours ago
visibility:
public

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