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author | RossTheRoss <msattr@gmail.com> | 2019-02-24 12:45:29 -0600 |
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committer | RossTheRoss <msattr@gmail.com> | 2019-02-24 12:45:29 -0600 |
commit | 747ae59bca51bcdad70dc89e9b5bb0578c2e5d68 (patch) | |
tree | 93cf164d60d28743e3b8aa83704c921ba519bdf6 /ee1301/wk3 | |
parent | Finish 3C (diff) | |
download | homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.tar homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.tar.gz homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.tar.bz2 homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.tar.lz homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.tar.xz homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.tar.zst homework-747ae59bca51bcdad70dc89e9b5bb0578c2e5d68.zip |
Rage at 3A
Diffstat (limited to 'ee1301/wk3')
-rw-r--r-- | ee1301/wk3/hw3_directory/strap012_HW3A.cpp | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp index e22ef89..55e8f6c 100644 --- a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp +++ b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp @@ -12,31 +12,38 @@ One-armed Bandit Simulator #include <stdlib.h> #include <cmath> #include <iomanip> +#include <time.h> using namespace std; int spin_the_wheel(int d, int w) { - int spinOG, spinNew; - spinOG = rand() % d + 1; - for (int i=1; i<w; i++) { - spinNew = rand() % d + 1; - if (spinNew!=spinOG) { - return 0; + int spinOG=0, spinNew=0, win=0; + for (int i=1; i<=w; i++) { + spinOG = ( (rand() % d) + 1); + spinNew = ( (rand() % d) + 1); + if (spinOG==spinNew) { + win++; } } - return 1; + if (win==w) { + return 1; + } else { + return 0; + } } int main () { + srand(time(NULL)); long n = 0; int m = 0; - int test; + float test; int w = 3; int d = 9; - for (n; n <= 1000; n++) + for (n; n <= 1000000; 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 << "w=" << w << ", d=" << d; + cout << ": Simulated probability = m/n = " << (m/n)*100 << "%. "; + cout << "Theoretical probability = " << (d/(pow(d,w)))*100 << "%." << endl; }
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