codelab

#include<iostream> #include<fstream> #include<iomanip> #include <cstdlib> using namespace std; class student { int rollno; char name[50]; int p_marks, c_marks, m_marks, e_marks, cs_marks; double per; char grade; void calculate(); public: void getdata(); void showdata() const; void show_tabular() const; int retrollno() const; }; void student::calculate() { per=(p_marks+c_marks+m_marks+e_marks+cs_marks)/5.0; if(per>=60) grade='A'; else if(per>=50)  grade='B'; else if(per>=33) grade='C'; else grade='F'; }

#include <iostream> #include<cstdlib> using namespace std; char square[10] = {'o','1','2','3','4','5','6','7','8','9'}; int checkwin(); void board(); int main() { int player = 1,i,choice; char mark; do { board(); player=(player%2)?1:2; cout << "Player " << player << ", Enter A Number: "; cin >> choice; mark=(player == 1) ? 'X' : 'O'; if (choice == 1 && square[1] == '1') square[1] = mark; else if (choice == 2 && square[2] == '2') square[2] = mark; else if (choice == 3 && square[3] == '3') square[3] = mark; else if (choice == 4 && square[4] == '4') square[4] = mark;