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authorRossTheRoss <msattr@gmail.com>2019-02-23 18:23:41 -0600
committerRossTheRoss <msattr@gmail.com>2019-02-23 18:23:41 -0600
commitfd1296f97b53490c1bb5a3152da38c6a6c01048a (patch)
treefae15f9b9bec041e7d1907760bd3b535d9498e52 /ee1301
parentDividing by 0 is a no (diff)
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Diffstat (limited to 'ee1301')
-rw-r--r--ee1301/wk3/hw3_directory/strap012_HW3A.cpp31
1 files changed, 15 insertions, 16 deletions
diff --git a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
index fd051fd..e22ef89 100644
--- a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
+++ b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
@@ -11,33 +11,32 @@ One-armed Bandit Simulator
#include <iostream>
#include <stdlib.h>
#include <cmath>
-#include <iomanip>
+#include <iomanip>
using namespace std;
+
int spin_the_wheel(int d, int w) {
int spinOG, spinNew;
spinOG = rand() % d + 1;
- for (int i=w; i>0; i--) {
+ for (int i=1; i<w; i++) {
spinNew = rand() % d + 1;
- if (spinNew==spinOG) {
- //Do nothing
- } else {
+ if (spinNew!=spinOG) {
return 0;
}
}
return 1;
}
int main () {
- long n=0;
- int m=0;
- float d= 3;
- float w= 9;
- for (n; n<=1000000; n++) {
- m = spin_the_wheel(d,w);
- if (m==1) {
- m++;
- }
+ long n = 0;
+ int m = 0;
+ int test;
+ int w = 3;
+ int d = 9;
+ for (n; n <= 1000; n++)
+ {
+ test = spin_the_wheel(d, w);
+ m+=test;
}
cout << "w=" << w << ", d=" << d;
- cout << ": Simulated probability = m/n = " << (m/n)*100 << ". ";
- cout << "Theoretical probability = " << (d/pow(d,w))*100 << "." << endl;
+ cout << ": Simulated probability = m/n = " << (m/n)*100 << "%. ";
+ cout << "Theoretical probability = " << (d/(pow(d,w)))*100 << "%." << endl;
} \ No newline at end of file