In this program, we see how to use a recursive function to calculate the factorial of a number using the C++ language. The following program has the recursive fact() function merely to return a number or call itself again. This program …
This program converts all the decimal numbers in an array to binary. To convert a decimal number into binary, we follow the following steps: Divide the decimal number by 2 and note the remainder Divide the Quotient repeatedly by 2 …
Octal to Decimal: How to Convert Octal to decimal conversion is one of the most commonly taught problem solving exercises in computer basics. So is there an octal to decimal formula? Yes, an octal number can be converted to a decimal …
This question was asked at a forum, link. The question is quite self explanatory. We have to write a program that takes in a number between 1 to 366 and displays the corresponding date.
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#include <iostream> using namespace std; void display_month(int); int main() { int num,num1=60,num2=91,monthnum=2,count=1,day; bool flag=true; cout<<"Please enter a number between 1 to 366: "<<endl; cin>>num; if(num<=0 && num>366) { cout<<"Please enter a valid number."<<endl; } else if(num>0 && num<=31) { monthnum = 1; day=num; } else if(num>31 && num<=60) { monthnum=2; day=num-31; } else { do{ if(num>num1 && num<=num2) { monthnum++; day=num-num1; flag=false; break; } else { if(count%2==0) { num1+=30; num2+=30; count++; monthnum++; //cout<<"Adding 30 to both nums: "<<num1<<" "<<num2<<endl; } else { num2+=31; num1+=31; count++; monthnum++; //cout<<"Adding 31 to both nums: "<<num1<<" "<<num2<<endl; } } }while(flag); } display_month(monthnum); cout<<" "<<day<<" 2004"; cin.get(); cin.get(); } void display_month(int month) { switch(month){ case 1: cout<<"January"; break; case 2: cout<<"February"; break; case 3: cout<<"March"; break; case 4: cout<<"April"; break; case 5: cout<<"May"; break; case 6: cout<<"June"; break; case 7: cout<<"July"; break; case 8: cout<<"August"; break; case 9: cout<<"September"; break; case 10: cout<<"October"; break; case 11: cout<<"November"; break; case 12: cout<<"December"; break; default: cout<<"Could not find month."; break; } } |
Tested in Visual C++ 2010
The most basic program for C language. Thats what this is. This is a simple C language “Hello World” program. The Program:
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#include<stdio.h>//Header files #include<conio.h> void main() //Our main function { printf("Hello"); //Our print statement getch(); //Means get character } |
getch(): getch() stands for ‘get charater’. It tells the compiler to wait for the user to press …
This program is a game program, Tic Tac Toe. Most of us have played this game in school days, we will be making a C++ program on it now. This program is quite lengthy, so I’ll first explain each variable …
Insertion sort is a simple sorting algorithm: a comparison sort in which the sorted array (or list) is built one entry at a time. How it works: In insertion sort,elements are entered into the array(or list) 1-by-1. When the first element is …
In this program, we will demonstrate Classes. Here, we’ve considered an example to calculate area of a rectangle. We will create a class named ‘Rectangle’. Syntax to declare a class:
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class class_name { //Class contents } |
Class Rectangle: Next, we create a function ‘Area’ to …
6174 is known as Kaprekar’s constant. This number is notable for the following property: Take any four-digit number, using at least two different digits. (Leading zeros are allowed.) Arrange the digits in ascending and then in descending order to get two …
This program will show you how to open a file in C++.We’ll need to include the fstream header file. The fstream header file contains the necessary classes to read, write files. It includes ofstream: Stream class to write on files …