Merge branch 'hw4' of https://github.com/themultiplexer/bsys-ws17-grp11 into hw4

hw4/simu3/randomtrace.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int main(int argc, char* argv[]) {
+  srand(time(NULL));
+
+  if (argc != 3) {
+    printf("Usage: ./randomtrace <count> <size>\n");
+    return -1;
+  }
+
+  int i, r, s, t;
+  s = atoi(argv[1]);
+  t = atoi(argv[2]);
+  for (i = 0; i < s; i++) {
+    r = (int) ((rand() % t) + 1);
+    printf("%d ", r);
+  }
+  printf("\n");
+}