Category Archives: GFacts

G-Fact 17


Storage class of a variable determines whether the item has a global or local lifetime. In C, typedef is considered as a storage class like… Read More »

G-Fact 16


Predict the output of following program. filter_none edit close play_arrow link brightness_4 code #include <stdio.h> int main()  {    int x = 012;    printf(“%d”,  x);    getchar();… Read More »

G-Fact 15


Atomic Operation What is an atomic operation? An idea of atomic operation helps in understanding reentrancy, critical section, thread safety, synchronization primitives, etc… (we will… Read More »

G-Fact 14


In C, a structure cannot have static members, but in C++ a structure can have static members. For example, following program causes compilation error in… Read More »

G-Fact 13


const Behaviour in C and C++ In C, the const qualified identifiers will have external linkage, where as in C++ it will have internal linkage.… Read More »

G-Fact 12


In C, struct keyword must be used for declaring structure variables, but it is optional in C++. For example, following program gives error in C… Read More »

G-Fact 11


Following relationship holds in any n-ary tree in which every node has either 0 or n children. L = (n-1)*I + 1 Where L is… Read More »

G-Fact 10

Enumeration constants (enum values) are always of type int in C, whereas they are distinct types in C++ and may have size different from that… Read More »

G-Fact 9

The number of structurally different Binary Trees with n nodes is Catalan number Cn = (2n)!/(n+1)!*n! References: My Personal Notes arrow_drop_up Save