Today's Dump

DiscountCalculator.cpp

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+// DiscountCalculator.cpp : Program to calculate discount from bill amount
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    float billAmount, discount;
+    cout << "Enter your bill amount: " << endl;
+    cin >> billAmount;
+    if (billAmount>=500.0)
+    {
+        discount = 20;
+        discount /= 100;
+        billAmount = billAmount - billAmount * discount;
+        cout << "Your discount is: " << discount * 100 << "%" << endl;
+        cout << "Your bill after discount is: " << billAmount << endl;
+    }
+    else if (billAmount>=100 && billAmount<500)
+    {
+        discount = 10;
+        discount /= 100;
+        billAmount = billAmount - billAmount * discount;
+        cout << "Your discount is: " << discount * 100 << "%" << endl;
+        cout << "Your bill after discount is: " << billAmount << endl;
+    }
+    else
+    {
+        cout << "No discount for you :(" << endl;
+    }
+    return 0;
+}

DisplayDigits.cpp

@@ -0,0 +1,17 @@
+// DisplayDigits.cpp : Program to print digits of a number in reverse
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int num, r;
+	cout << "Enter the number: " << endl;
+	cin >> num;
+	while (num!=0)
+	{
+		r = num % 10;
+		num /= 10;
+		cout << "Digit is: " << r << endl;
+	}
+}

Factorial.cpp

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+// Factorial.cpp : Program to find factorial of a number
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    int num, factorial;
+    cout << "Enter number to find factorial of: " << endl;
+    cin >> num;
+    factorial = num;
+    for (int i = num-1; i >= 1; i--)
+    {
+        factorial *= i;
+    }
+    cout << "Factorial of " << num << " is: " << factorial << endl;
+    return 0;
+}

LeapYearChecker.cpp

@@ -0,0 +1,34 @@
+// LeapYearChecker.cpp : Program to check if a year is leap year or not
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    int year;
+    cout << "Enter the year: " << endl;
+    cin >> year;
+    if (year%100==0)
+    {
+        if (year/=100;year%4==0)
+        {
+            cout << year*100 << " is a leap year" << endl;
+        }
+        else
+        {
+            cout << year*100 << " is not a leap year" << endl;
+        }
+    }
+    else
+    {
+        if (year%4==0)
+        {
+            cout << year << " is a leap year" << endl;
+        }
+        else
+        {
+            cout << year << " is not a leap year" << endl;
+        }
+    }
+    return 0;
+}

MultiplicationTable.cpp

@@ -0,0 +1,24 @@
+// MultiplicationTable.cpp : Program to print multiplication table of a given number.
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    int num, i, num1;
+    cout << "Enter number to print table for: " << endl;        // Using for loop
+    cin >> num;
+    for (int i = 1; i <= 10; i++)
+    {
+        cout << num << " x " << i << " = " << num * i << endl;
+    }
+    i = 1;
+    cout << "Enter number to print table for: " << endl;        // Using while loop
+    cin >> num1;
+    while (i <= 10)
+    {
+        cout << num1 << " x " << i << " = " << num1 * i << endl;
+        i++;
+    }
+    return 0;
+}

PerfectNumber.cpp

@@ -0,0 +1,28 @@
+// PerfectNumber.cpp : Program to check if a number is perfect or not
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int num, sum = 0;
+	cout << "Enter number: " << endl;
+	cin >> num;
+	for (int i = 1; i <= num; i++)
+	{
+		if (num%i==0)
+		{
+			sum += i;
+		}
+	}
+	sum -= num;
+	if (sum==num)
+	{
+		cout << num << " is a perfect number." << endl;
+	}
+	else
+	{
+		cout << num << " is not a perfect number." << endl;
+	}
+	return 0;
+}

PrimeNumber.cpp

@@ -0,0 +1,27 @@
+// PrimeNumber.cpp : Program to check if a number is prime or not
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int num, sum = 0;
+	cout << "Enter number to check: " << endl;
+	cin >> num;
+	for (int i = 1; i <= num; i++)
+	{
+		if (num%i==0)
+		{
+			sum += i;
+		}
+	}
+	if (num+1==sum)
+	{
+		cout << num << " is a prime number." << endl;
+	}
+	else
+	{
+		cout << num << " is not a prime number." << endl;
+	}
+	return 0;
+}

SumOfFirstnNaturalNumbers.cpp

@@ -0,0 +1,26 @@
+// SumOfFirstnNaturalNumbers.cpp : Program to find sum of first n natural numbers using loops
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    int n, m, sum = 0, sum1 = 0;
+    cout << "Enter the value of n: " << endl;
+    cin >> n;
+    for (int i = 1; i <= n; i++)
+    {
+        sum += i;
+    }
+    cout << "Sum of first " << n << " natural numbers is: " << sum << endl;
+    cout << "Enter the value of m: " << endl;
+    cin >> m;
+    int j = 0;
+    while (j<=m)
+    {
+        sum1 += j;
+        j++;
+    }
+    cout << "Sum of first " << m << " natural numbers is: " << sum1 << endl;
+    return 0;
+}