This is the syntax highlighted version of SlowFibonacci.java.
/*************************************************************************
* Compilation: javac SlowFibonacci.java
* Execution: java SlowFibonacci N
*
* Computes and prints the first N Fibonacci numbers.
* Warning: this program is spectacularly inefficient and is meant
* to illustrate a performance bug, e.g., set N = 45.
*
*
* % java SlowFibonacci 7
* 1: 1
* 2: 1
* 3: 2
* 4: 3
* 5: 5
* 6: 8
* 7: 13
*
*************************************************************************/
public class SlowFibonacci {
static long fib(int n) {
if (n <= 1) return n;
else return fib(n-1) + fib(n-2);
}
public static void main(String[] args) {
int N = Integer.parseInt(args[0]);
for (int i = 1; i <= N; i++)
System.out.println(i + ": " + fib(i));
}
}
Last updated: Wed Feb 11 18:10:39 EST 2004
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Copyright © 2004, Robert Sedgewick and Kevin Wayne.