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Explain the class invariant.
- It's a condition that ensures correct working of a class and defines all the valid states for an object.
- When an object is created class invariants should hold.
- It is essential for them to be preserved under all operations of the class.
- All class invariants are both preconditions and post-conditions for all operations or member functions of the class.
3. Write a program to encrypt and decrypt strings of characters using the following ciphers: a) Caesar cipher b) Vigenere cipher c) Matrix transposition cipher Your program shoul
Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send
A: This will turn o_ "name mangling" for func so that one can connect to code compiled by a C compiler.
write a c++ program which finds minimum of three numbers
Use of random function: int main(void) { int i,j; for(j=0;j { // randomize(); for(i=0;i printf("%d\n", ran
program that decodes sending smuggler''s string
#question:-program to counts tha no of occurances of the string in the nth padovan string
Overloading Unary Operators class sign {int a,b,c; public: sign(){}; sign(int,int,int); void putdata(void); void operator-(); }; void sign::operator-() {a=
#question. write a program number to alphabet in c++..
Program of function overloading: class vector{ private : int v[3]; public: /*friend istream &
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