public static void main(String[] args) {
    int N = 30;
    int M = 10;

    int[] a = new int[N];
    for (int i = 0; i < N; i++) a[i] = StdRandom.uniform(M);

    for (int i = 0; i < N; i++) StdOut.printf("%2d", a[i]);

    int[] h = histogram(a, M);

    StdOut.println("\n");
    for (int i = 0; i < M; i++) StdOut.printf("%4d", h[i]);
  }
Exemple #2
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 public static void main(String[] args) {
   int N = 2000;
   countops(N);
   // System.exit (0);
   double prevOps = ops;
   double prevTime = time;
   for (int i = 0; i < 12; i++) {
     N *= 2;
     countops(N);
     StdOut.printf("%8d %10d %5.1f [%5.3f %5.3f]\n", N, ops, ops / prevOps, time, time / prevTime);
     prevOps = ops;
     prevTime = time;
   }
 }
 public static void main(String[] args) {
   for (int N = 250; true; N += N) {
     final double time = timeTrial(N);
     StdOut.printf("%7d %5.1f\n", N, time);
   }
 }