If else problems with solution
// date --> 09-10-2021
// if esle exercise
// // difference between signed and unsigned int ;
// unsigned int num = -1;
// int x = num;
// cout<<num<<", "<<x;
/*//Q- Take valuse of length and breadth
of a rectangle from user and check if it is square or not .
int length, breadth ;
cout<<"Enter the lenght of the rectangle : "<<endl;
cin>>length;
cout<<"Enter the breadth of the rectangle : "<<endl;
cin>>breadth;
if (length==breadth){
cout<<"It is a square"<<endl;
}else{
cout<<"It is not a square";
}
//Q- Take two values from user and print the gratest among them;
int a, b;
cout<<"Enter the a number : "<<endl;
cin>>a;
cout<<"Enter the b number: "<<endl;
cin>>b;
if (a>b){
cout<<"A is greater than b : " <<a<<">"<<b;
}else{
cout<<"b is grater than a : " <<b<<">"<<a;
}
//Q- A shop will give discount of 10%, if cost of purchased quantity is more than 1000.
// Ask user for quantity suppose one unit will cost 100 . Judge and print total cost for user.
int quantity, Price,Discount, Amount;
cout<<"Enter the quantity of your purchased product : ";
cin>>quantity;
Price = quantity*100;
if (quantity>10){
Price = quantity*100;
Discount = (10*Price)/100;
Amount = Price - Discount ;
cout<<"Price : " <<Price<<endl;
cout<<"10% Discount : " <<Discount<<endl;
cout<<"Amount : " <<Amount; }
else{
cout<<"Make sure to purchase of more than Rs 1000. You have only purchase "<<Price;
}
//Q- A company decided to give bonus of 5% to employee if his/her year of service is
// more than 5 years . Ask user for their salary and year of service and print the net bonus amount.
int salary, year_of_service, bonus, net_amount;
cout<<"Enter your salary : ";
cin>>salary;
cout<<"Enter your Year of service : ";
cin>>year_of_service;
if (year_of_service>5){
bonus = (salary*5)/100;
cout<<"The bonus is : "<<bonus<<endl;
net_amount = salary+bonus;
cout<<"The net amount is : "<<net_amount;
} else{
cout<<"No bonus because you have not completed the 5 year of service " ;
} */
/*
A scholl has following rules for grading system:
a. Below 25 - F
b. 25 to 45 - E
c. 45 to 50 - D
d. 50 to 60 - C
e. 60 to 80 - B
f. Above 80 - A
Ask user to enter marks and print the corresponding grade.
int marks ;
cout<<"Enter your marks : ";
cin>>marks;
if ( marks<=25){
cout<<"Your grade is F ";
} else if (marks>25 && marks<=45){
cout<<"Your grade is E ";
} else if (marks>45 && marks<=50){
cout<<"Your grade is D ";
} else if (marks>50 && marks <= 60){
cout<<"Your grade is C ";
} else if (marks>60 && marks<=80){
cout<<"Your grade is B ";
} else{
cout<<"Your grade is A ";
}
//Q- Take input of age of 3 people by user and determine oldest and youngest among them.
int a , b, c;
cout<<"Enter the age of first person : " <<endl;
cin>> a ;
cout<<"Enter the age of second person : " <<endl;
cin>> b ;
cout<<"Enter the age of third person : " <<endl;
cin>> c ;
if(a>b && a>c){
cout<<"a is the oldest person "<<endl;
} else if (b>a && b>c){
cout<<"b is oldest person "<<endl;
} else {
cout<<"c is oldest person"<<endl;
}
if (a<b && a<c){
cout<<"a is the youngest person ";
} else if (b<a && b<c){
cout<<"b is the youngest person ";
}else {
cout<<"c is the youngest person ";
}
// Q- Write a program to print absolute value of a number enterd by user
e.g- inputt:1
input:2
int num1, num2;
cout<<"Enter your 1st number : "<<endl;
cin>>num1;
cout<<"Enter your 2nd number : "<<endl;
cin>>num2;
cout<<"The absolute value of 1st number is : "<<abs(num1)<<endl;
cout<<"The absolute value of 2nd number is : "<<abs(num2);
--------------->OR<--------------------
int x,y ;
cout<<"Enter your number : "<< endl;
cin>>x;
if(x<0){
x=x*(-1);
}
cout<<"Absolute value is : "<<x<<" units"; */
/*Q- A students will not be allowed to sit in exam if his/her attendence is less than 75%.
Take the following input from user:
Number of classes held
Number of classes attended .
And print percentage of class ateended .
Is studend is allowed to sit in exam or not .
int class_held, attendence, percentage , class_attended, percentage_of_class_attended;
cout<<"Please enter the number of class that you attended : "<<endl;
cin>>class_attended;
cout<<"Please enter the number of class that is held : "<<endl;
cin>>class_held;
percentage_of_class_attended = (class_attended*100)/class_held;
cout<<"The percentage of class attend is : "<<percentage_of_class_attended<<"%" <<endl;
if (percentage_of_class_attended>70){
cout<<"You can sit in examination "<<endl;
} else {
cout<<"You can't sit in examination because your attence percented is less than 70%."<<endl;
} */
/*
if
x=2
y = 5
z=0
then find values of the following expressions:
a. x==2
b. x!=5;
c. x!=5 && y >=5
d.z !=0 || x== 2
e.!(y<10)
int x,y,z , checking1, checking2 , checking3, checking4, checking5 ;
x=2;
y=5;
z=0;
checking1 = (x==2);
cout<<checking1<<endl;
checking2 = (x!=5);
cout<<checking2<<endl;
checking3 = (x!=5 && y >=5);
cout<<checking3<<endl;
checking4 = !(y<10);
cout<<checking4<<endl;
checking5 =(z !=0 || x== 2);
cout<<checking5<<endl; */
/* Write a program to check wheater a entered character is lowecase (a to z) or uppercase (A to Z).
char x;
cout<<"Enter your character : "<<endl;
cin>>x;
if(isupper(x)){
cout<<"The character you entred is uppercase ";
} else{
cout<<"The character you entred is lowercase ";
} */
/*
Write a program to check if a year is leap year or not. If a year is divisible by 4 then it
is leap year but if the year is century year like 2000 , 1900 , 2100 then it must be divisible by 400.
int year, leap_year, century_year;
cout<<"Enter your year to check : "<<endl;
cin>>year;
leap_year =year%4;
century_year = year%400;
if (leap_year==0 && century_year ==0){
cout<<"This is year is leap year as well as century year .";
} else if (leap_year==0)
{
cout<<"This year is only leap year not century year. ";
} else{
cout<<"This year is neither leap year nor century year . ";
} */
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