Programming and Graphics

3.1 C++ Operators 49 Operation Meaning a +=b; a=a+b; a -=b; a=a-b; a*=b; a=a*b; a /=b; a=a/b; a*= b+c; a=a*(b+c); a++; a=a+1; ++ ...

50 Introduction to C++ Programming and Graphics Equal to a==b Not equal to a!=b Less than a<b Less than or equal to a<=b G ...

3.2 Vector and matrix initialization 51 Problems 3.1.1.Are the following three statements equivalent? c++; c+=1; c=c+1; 3.1.2.Im ...

52 Introduction to C++ Programming and Graphics char q[]= ’zei’; string n[3]={"who", "am", "I?"}; string b[]={"who", "are", "the ...

3.3 Control structures 53 3.3 Controlstructures Control structures are blocks of statements that implement short algorithms and ...

54 Introduction to C++ Programming and Graphics b=a+3; c=20; } else { cout << "angouraki" << endl; } The statement c ...

3.3 Control structures 55 we want to execute a block of commands, ifdiosmos=n2wewantto execute another block of commands, ifdios ...

56 Introduction to C++ Programming and Graphics For example, to truncate the above sum ati= 10, we use: double s=0; for (int i=1 ...

3.3 Control structures 57 For example, consider the block of commands: goto mark; a=5; mark: The statementa=5will be skipped. Fo ...

58 Introduction to C++ Programming and Graphics do-while: This is identical to thewhileloop, except that the veracity of the d ...

3.4 Keyboard and monitor 59 3.3.2.Discuss the function of the following loop: double sum=1.0; int i=1; double eps=10.0; while(ep ...

60 Introduction to C++ Programming and Graphics Leading white space generated by the space bar, the tab key, and the carriage re ...

3.4 Keyboard and monitor 61 False read Consider the followingwhileloop calculating the square of a typed inte- ger: int a; while ...

62 Introduction to C++ Programming and Graphics \’ Print a single quote (’) \” Print a double quote (”) \? Print a question mark ...

3.4 Keyboard and monitor 63 cout << endl; return 0; } The output of the code is: <=>?ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_ ...

64 Introduction to C++ Programming and Graphics #include <iostream> using namespace std; int main() { string name; int age ...

3.4 Keyboard and monitor 65 Ensuring a successful read If a program expects us to enter a real number and we enter instead a cha ...

66 Introduction to C++ Programming and Graphics Euclid’s algorithm produces the GCD by repeatedly subtracting the smaller from t ...

3.4 Keyboard and monitor 67 cout<<"\nThe Greatest Common Divisor is: "<<k<<endl } } goto again; quit: cout< ...

68 Introduction to C++ Programming and Graphics 3.4.5.What is the output of the following code? #include <iostream> using ...