Decimal Cleaner, Swap, and Weather

Decimal Cleaner.c

@@ -0,0 +1,25 @@
+	std::string Round(const double value, const int decimals)
+	{
+		return CleanDecimals(std::round(value * std::pow(10, decimals)) / std::pow(10, decimals));
+	}
+
+	std::string CleanDecimals(const double value)
+	{
+		std::string result = std::to_string(value);
+		const int size = (int)result.size();
+		for (int i = size - 1; i > 0; i--)
+		{
+			if (result[i] != '0' && i < size - 1)
+			{
+				result.erase(i + 1, size);
+				break;
+			}
+		}
+
+		/* Check if the last char is a dot */
+		if (result[result.size() - 1] == '.')
+			result.erase(result.size() - 1, 1);
+
+		return result;
+	}
+

Swap.c

@@ -0,0 +1,23 @@
+/* See https://git.disroot.org/oink/C for more details.
+ *
+ * Swap is a program that assigns a value to two variables,
+ * and swaps their values. Swap prints the values of each 
+ * variable before and after their values are swapped.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+	float a = 1.1, b = 2.2, temp; /* Example variables for swap */
+
+	printf("a = %.2f; b = %.2f\n", a, b); /* BEFORE */
+
+	/* Swap a and b */
+	temp = a;
+	a = b;
+	b = temp;
+
+	printf("a = %.2f; b = %.2f\n", a, b); /* AFTER */
+
+	return 0;
+}

Weather.c

@@ -2,7 +2,7 @@
 #include <stdlib.h>
 
 int main() {
-	int u, d, c; /* Temperature Unit and # of Dergreesn */
+	int u, d, c; /* Temperature Unit and # of Dergrees */
 
        	printf("Wheather\n");