What will be the output of given code.   #include using namespace std; int add(int a,int b){ return (a+b); } int main(){ int a=5,b=3; cout<

#include <bits/stdc++.h>using namespace std;int main() { double matrix[4][3]={{2.5,3.2,6.0},{5.5, 7.5, 12.6},{11.25, 16.85, 13.45},{8.75, 35.65, 19.45}}; cout<<"Input no in first row of matrix"<<endl; for(int i=0;i<3;i++){     double t;     cin>>t;     matrix[0][i]=t; } cout<<"Contents of the last column in matrix"<<endl; for(int i=0;i<4;i++){     cout<<matrix[i][2]<<" "; } cout<<"Content of first row and last column element in matrix is: "<<matrix[0][3]<<endl; matrix[3][2]=13.6; cout<<"Updated matrix is :"<<endl; for(int i=0;i<4;i++){     for(int j=0;j<3;j++){         cout<<matrix[i][j]<<" ";     }cout<<endl; } return 0;}   Please explain this code

#include <iostream> #include <string> #include <cstdlib> using namespace std; template<class T> class A { public: T func(T a, T b){ return a/b; } };   int main(int argc, char const *argv[]) { A <float>a1; cout<<a1.func(3,2)<<endl; cout<<a1.func(3.0,2.0)<<endl; return 0; }       Give output for this code.

#include <iostream> #include <string> #include <cstdlib> using namespace std; template<class T> T func(T a) { cout<<a; return a; } template<class U> void func(U a) { cout<<a; } int main(int argc, char const *argv[]) { int a = 5; int b = func(a); return 0; }       Give output for this code.

C++ 6.34 #include <iostream>#include <cstdlib>#include <ctime>using namespace std; void guessGame(); // function prototypebool isCorrect( int, int ); // function prototype int main(){srand( time( 0 ) ); // seed random number generatorguessGame();} // end main // guessGame generates numbers between 1 and 1000 and checks user's guessvoid guessGame(){int answer; // randomly generated numberint guess; // user's guesschar response; // 'y' or 'n' response to continue game // loop until user types 'n' to quit gamedo {// generate random number between 1 and 1000// 1 is shift, 1000 is scaling factoranswer = 1 + rand() % 1000; // prompt for guesscout << "I have a number between 1 and 1000.\n" << "Can you guess my number?\n" << "Please type your first guess." << endl << "? ";cin >> guess; // loop until correct numberwhile ( !isCorrect( guess, answer ) ) cin >> guess; // prompt for another gamecout << "\nExcellent! You guessed the…

line 20, in <module>    if(ans==0):NameError: name 'ans' is not defined

C programming fill in the following code  #include "graph.h" #include <stdio.h>#include <stdlib.h> /* initialise an empty graph *//* return pointer to initialised graph */Graph *init_graph(void){} /* release memory for graph */void free_graph(Graph *graph){} /* initialise a vertex *//* return pointer to initialised vertex */Vertex *init_vertex(int id){} /* release memory for initialised vertex */void free_vertex(Vertex *vertex){} /* initialise an edge. *//* return pointer to initialised edge. */Edge *init_edge(void){} /* release memory for initialised edge. */void free_edge(Edge *edge){} /* remove all edges from vertex with id from to vertex with id to from graph. */void remove_edge(Graph *graph, int from, int to){} /* remove all edges from vertex with specified id. */void remove_edges(Graph *graph, int id){} /* output all vertices and edges in graph. *//* each vertex in the graphs should be printed on a new line *//* each vertex should be printed in the following format:…