Test inputs and outputs from Xcode (incorrect) and other (web based compilers) are as following:
Input 1: 3 30 0.90 40
Xcode Output 1:
Acceptable success rate: 0.90
Average attempted sales: 30.00
Average completed sales: 19.33
Observed success rate: 0.64
Observed success rate not in acceptable range.
Program ended with exit code: 0
Other Compilers' Output 1(correct):
Acceptable success rate: 0.90
Average attempted sales: 30.00
Average completed sales: 19.67
Observed success rate: 0.66
Observed success rate not in acceptable range.
Input 2: 10 100 0.5 1
Xcode Output 2:
Acceptable success rate: 0.50
Average attempted sales: 100.00
Average completed sales: 29.40
Observed success rate: 0.29
Observed success rate not in acceptable range.
Program ended with exit code: 0
Other Compilers' Output 1(correct):
Acceptable success rate: 0.50
Average attempted sales: 100.00
Average completed sales: 28.80
Observed success rate: 0.29
Observed success rate not in acceptable range.
#include <iostream>
#include <iomanip>
#include <stdlib.h>
using namespace std;
int main()
{
int iterations, seed;
double successRate;
float completedSales = 0, numAttempted;
int i, t;
int seatChoice;
//Add other variables necessary for your program
//cout << "Please enter number of iterations to be evaluated" <<endl;
cin >> iterations; //number of iterations to be evaluated
//cout << "Please enter number of attempted sales" <<endl;
cin >> numAttempted; //number of attempted sales
//cout << "Please enter expected success rate" <<endl;
cin >> successRate;
//cout << "Please enter seed for random number generation" <<endl;
cin >> seed; //seed for random number generation
//Validate input
if(iterations <= 0 || numAttempted < 0 || seed < 0 ) {
cout << "Error. Invalid parameters.";
}
else if(successRate < 0 || successRate > 1) {
cout << "Error. Invalid parameters.";
}
else {
//Set seed and start iterations
srand(seed);
//Every iteration of the simulation starts by setting all seats to empty
for(i = 0; i < iterations; ++i) {
int availableSeats[30] = {0};
for(t = 0; t < numAttempted; ++t) {
seatChoice = (rand() % 30);
if(availableSeats[seatChoice] == 0) {
availableSeats[seatChoice] = 1.0;
completedSales++;
}
}
}
float averageSales = (float) completedSales/iterations;
float observedSuccessRate = (float) averageSales/numAttempted;
//Complete final output:
cout << setprecision(2) <<fixed;
cout << "Acceptable success rate: " <<successRate <<endl;
cout << "Average attempted sales: " <<(double)numAttempted <<endl;
cout << "Average completed sales: " <<averageSales <<endl;
cout << "Observed success rate: " <<(float)observedSuccessRate <<endl;
//Complete if statement to test success rate
if(observedSuccessRate < successRate) {
cout << "Observed success rate not in acceptable range." << endl;
}
else {
cout << "Observed success rate is acceptable." << endl;
}
}
return 0;
}
