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Hello friends, Welcome to your Techgsr.co blog. And today in this article we will learn about  how to write nested loop in cpp.So let’s go to our topic #include <iostream> using namespace std; int main () { // local variable declaration: int a = 100; int b = 200; // check the boolean condition if( a … Read more

Hello friends, Welcome to your Techgsr.co blog. And today in this article we will learn about how to write find the prime numbers from 2 to 100 by using nested for loop.So let’s go to our topic main.cpp #include <iostream> using namespace std; int main () { int i, j; for(i=2; i<100; i++) { for(j=2; j … Read more

Hello friends, Welcome to your Techgsr.co blog. And today in this article we will learn about how to use namespaces be nested in C++?Write the program. So let’s go to our topic #include <iostream> int x = 20; namespace outer { int x = 10; namespace inner { int z = x; // this x refers … Read more

Hello friends, Welcome to your Techgsr.co blog. And today in this article we will learn about how to write program to demonstrate Binary Search Algorithms in C++ .So let’s go to our topic #include <algorithm> using namespace std; void show(int a[]) { for(int i = 0; i < 10; ++i) cout << ‘\t’ << a[i]; } … Read more

  #include <iostream> class A { int a; public: A() {a = 0;} friend void showA(A&); // global friend function }; void showA(A& x) { // Since showA() is a friend, it can access // private members of A std::cout << “A::a=” << x.a; } int main() { A a; showA(a); return 0; }   … Read more

  #include <iostream> class B; class A { public: void showB(B& ); }; class B { private: int b; public: B() { b = 0; } friend void A::showB(B& x); // Friend function }; void A::showB(B &x) { // Since show() is friend of B, it can // access private members of B std::cout << … Read more

#include<iostream> using namespace std; int main() { int m = 2, n = 3; int mat[][3] = { {1, 2, 3}, {4, 5, 6}, }; for (int i = 0; i < m; i++) for (int j = 0; j < n; j++) // Prints ‘ ‘ if j != n-1 else prints ‘\n’ cout … Read more

Hello friends, Welcome to your Techgsr.co blog. And today in this article we will learn about how to 1 to 100 in C++, without loop and recursion .So let’s go to our topic #include <iostream> using namespace std; template<int N> class PrintOneToN { public: static void print() { PrintOneToN<N-1>::print(); // Note that this is not recursion … Read more

Hello friends, Welcome to your Techgsr.co blog. And today in this article we will learn about  how to program enter a letter and output the next 2 letters .So let’s go to our topic #include <iostream.h> #include <conio.h> void main() { clrscr(); char charac; cout << “Enter your letter : ” << endl; cin>>charac; cout << … Read more