1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cstdlib>
#include <string>
using namespace std;
//function prototypes
void displayHeader();
void readIntoSales(ifstream &fp, float Numsales, float sales[], float SIZE);
float computeAverage(float sales[], float SIZE, float Numsales);
void booleanAssignments(float sales[], float target[], bool meet[], int SIZE);
int compareAboveArray(bool meet[], float SIZE);
int compareBelowArray(bool meet[], float SIZE);
void displayResults(float &totalAverage, int &above, int &below, int &dept, int \
standard);
//the main function
int main()
{
//constant to keep all the arrays the same size
const int SIZE = 12;
string performance;
int above = 0, below = 0, dept = 0, standardValues = 0;
int compareTheResults = 0, standard = 0;
float avg = 0, Numsales, totalAverage;
float target[] = {23.0,33.1,21.0,23.5,54.0,34.3,35.0,45.0,56.3,45.6,34.0,55.0}\
;
float sales[SIZE] = {};
bool meet[SIZE] = {};
ifstream fp;
displayHeader();
fp.open("sales.dat");
if(!fp)
{
cout <<"Error opening the file!" <<endl;
}
int dept = 0;
while(fp.eof()==false)
{
//reads input into the sales array
readIntoSales(fp, Numsales, sales, SIZE);
//finds the average of the first dept
totalAverage = computeAverage(sales, SIZE, Numsales);
//compares the standard amount for each month with the sales and stores the boolean variable in the third array
booleanAssignments(sales, target, meet, SIZE);
//finds how many months are above the standard month values
above = compareAboveArray(meet, SIZE);
//finds how many months are below the standard month values
below = compareBelowArray(meet, SIZE);
//displays the results
displayResults(totalAverage, above, below, dept, 4);
dept++;
}
return 0;
}
//displays a header i na neat format
void displayHeader()
{
cout<<left;
cout<< "Store Statistics"<<endl;
cout<<" "<<endl;
cout<<"Dept"<<setw(10)<<"Average"<<setw(10)<<"Above"<<setw(10)<<"Below"<<setw(\
10)<<"Performance" <<endl;
cout<<"----------------------------------------------------------------" <<end\
l;
}
//reads input from the sales.dat file
void readIntoSales(ifstream &fp, float Numsales, float sales[], float SIZE)
{
fp >>Numsales;
for (int i = 0; i < SIZE; i++)
Numsales = sales[i];
}
//finds the average
float computeAverage(float sales[], float SIZE, float Numsales)
{
float sum = 0, salesAverage;
for(int i = 0; i < SIZE; i++)
{
sum += Numsales;
}
salesAverage = (sum/SIZE);
return salesAverage;
}
//assigns boolean variables to the third array
void booleanAssignments(float sales[], float target[], bool meet[], int SIZE)
{
for(int i = 0; i < SIZE; i++)
{
meet[i];
sales[i];
target[i];
if(sales[i] <= target[i])
meet[i] = false;
else
meet[i] = true;
}
}
//uses the bool array and finds how many months are above the standard
int compareAboveArray(bool meet[], int SIZE)
{
int above = 0;
for (int i = 0; i < SIZE; i++)
{
if(meet[i] == false)
above++;
}
return above;
}
//uses the bool array and finds how many months are below the standard
int compareBelowArray(bool meet[], int SIZE)
{
int below = 0;
for (int i = 0; i < SIZE; i++)
{
if(meet[i] == true)
below++;
}
return below;
}
//displays results
void displayResults(float &totalAverage, int &above, int &below, int &dept, int \
standard)
{
string performance;
if( below > standard)
performance = "unsatisfied";
else
performance = "satisfies";
dept += 1;
cout<<dept<<setw(10) <<totalAverage<<setw(10) <<above<<setw(10)<<below<<setw(1\
0) <<performance <<endl;
}
|
