10 Jul C++ MenuPlease someone help me my professor want a menu and t

C++ MenuPlease someone help me my professor want a menu and told us to answer the question sepetaly than add them to the menu i been trying to add the answer to one of the question in menu but it do not work anyone can help please code //System Libraries #include using namespace std;  //User Libraries  //Global Constants – Math/Physics Constants, Conversions, //                   2-D Array Dimensions  //Function Prototypes void menu(); void prblm1(); void prblm2(); void prblm3(); void prblm4();  //Execution Begins Here int main(int argc, char** argv) {     //Declare Variables     char choice;          //Loop and Display menu     do{         menu();         cin>>choice;          //Process/Map inputs to outputs         switch(choice){             case ‘1’:{prblm1();break;}             case ‘2’:{prblm2();break;}             case ‘3’:{prblm3();break;}             case ‘4’:{prblm4();break;}             default: cout<<'Exiting Menu'<=’1’&&choice<='4');          //Exit stage right!     return 0; }  void menu(){     //Display menu     cout<nPrimes=k; p->prime = new Prime[k];//creating prime array i=0; k=0; while(i<10000) { if(m[i]!=0) { p->prime[k].prime = i; p->prime[k].power = m[i]; k++; } i++; } return p;//returning primes structure } //method to print primes void prnt(Primes *p) {