Output is always zero
The output for my "biggest" (Line 45) and "median"(Line 78) functions always returns zero. Could someone point me in the right direction?
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#include <iostream>
using namespace std;
int i = 0;
int testArray[100] = {0};
bool loopFlag = true;
void numbers(int testArray[], int& i)
{
cin >> testArray[i];
i++;
cout << endl;
cout << "OK" << endl;
return ;
}
void calcSum(int testArray[])
{
int sum = 0;
for(int j = 0; j < 100; j++)
{
sum += testArray[j];
}
cout << sum;
return;
}
void findAverage (int testArray[])
{
int averageCount = 0;
int averageSum = 0;
for(int k = 0; k < 100; k++)
{
if(testArray[k] > 0)
{
averageCount++;
averageSum += testArray[k];
}
}
cout << static_cast<double>(averageSum) / averageCount;
return;
}
void biggest(int testArray[])
{
int largest = 0;
for(int i; i < 100; i++)
{
if(testArray[i] > largest)
{
largest = testArray[i];
}
}
cout << endl;
cout << largest;
return;
}
void mode(int testArray[])
{
}
void numCount(int testArray[])
{
int howMany = 0;
for(int j = 0; j < 100; j++)
{
if(testArray[j] > 0)
{
howMany++;
}
}
cout << howMany;
}
void median(int testArray[])
{
int tmp;
for (int i = 0; i < 5 -1; i++)
{
for (int j = i+1; j < 5; j++)
{
if (testArray[i] > testArray[j])
{
tmp = testArray[i];
testArray[i] = testArray[j];
testArray[j] = tmp;
}
}
}
int howMany = 0;
for(int j = 0; j < 100; j++)
{
if(testArray[j] > 0)
{
howMany++;
}
}
int medianNum = (howMany / 2) + 1;
int median = testArray[medianNum];
cout << median;
}
int main()
{
char command;
cout << "Welcome to Stats Array!" << endl;
cout << "These are your choices:" << endl;
cout << "N - Numbers" << endl;
cout << "S - Sum of all" << endl;
cout << "A - Average of all" << endl;
cout << "B - Biggest of all" << endl;
cout << "F - Most Frequent of all" << endl;
cout << "H - How many numbers" << endl;
cout << "M - Median of all" << endl;
cout << "Q - Quit" << endl;
do
{
cin >> command;
cout << endl;
switch(command)
{
case 'N':
numbers(testArray, i);
break;
case 'S':
calcSum(testArray);
break;
case 'A':
findAverage(testArray);
break;
case 'B':
biggest(testArray);
break;
case 'F':
mode(testArray);
break;
case 'H':
numCount(testArray);
break;
case'M':
median(testArray);
break;
default:
cout << "END";
}
}while(loopFlag);
return 0;
}
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Firstly, do you understand you have to input 100 numbers? Have you considered a smaller number, like 10 for example?
You don't appear to input 100 numbers, but you still attempt to find the largest value in the 100 values.
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