formatting filenames d7af6fdc8c

dynamic_programming/fibonacci_bottom_up.cpp

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+#include <iostream>
+using namespace std;
+int fib(int n)
+{
+	int res[3];
+	res[0] = 0;
+	res[1] = 1;
+	for (int i = 2; i <= n; i++)
+	{
+		res[2] = res[1] + res[0];
+		res[0] = res[1];
+		res[1] = res[2];
+	}
+	return res[1];
+}
+int main(int argc, char const *argv[])
+{
+	int n;
+	cout << "Enter n: ";
+	cin >> n;
+	cout << "Fibonacci number is ";
+	cout << fib(n) << endl;
+	return 0;
+}