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Question


What is the output of this program?


1.
#include
2.
using namespace std;
3.
int main()
4.
{
5.
int array[] = {10, 20, 30};
6.
cout << -2[array];
7.
return 0;
8.
}
Options:
A .  -15
B .  -30
C .  compile time error
D .  garbage value
Answer: Option B

It's just printing the negative value of the concern element.
$ g++ array.cpp
$ a.out
-30




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