Some bug with array program
This program that I wrote works fine expect that it outputs the number 1606416376. So I guess that there's a bug somewhere in the program.
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#include <iostream>
#include <iomanip>
#include <ctime>
using namespace std;
int main()
{
const size_t SIZE = 600;
const int RANGE = 100;
int x[SIZE];
int num;
int count[RANGE] = { 0 };
int i, r;
num=SIZE;
srand(time(0));
for( i = 0; i < num; i++ )
{
r = rand() % RANGE + 1;
x[i] = r;
count[r]++;
}
cout << "\n\nThe random numbers are:\n";
for(i=0; i<=num; i++)
{
cout << setw(5) << x[i];
if((i+1)%10 == 0)
cout << endl;
}
int sum = 0;
float average = 0;
for(size_t i=0; i < num; i++)
{
sum += x[i];
}
average = static_cast<float>(sum) / num;
cout << endl << "Average = " << average << endl << endl;
int min;
int max;
min=x[0];
max=x[0];
for(int i=1;i<num;i++)
{
if(min>x[i])
{
min=x[i];
}
else if(max<x[i])
{
max = x[i];
}
}
cout<<"Maximum number is: "<< max << endl;
cout<<"Minimum number is: "<< min << endl << endl;
int element=0;
int count2=0;
for(int i=0;i<num;i++)
{
int tempElement=x[i];
int tempCount=0;
for(int i=0;i<num;i++)
if(x[i]==tempElement)
tempCount++;
if(tempCount>count2)
{
element = tempElement;
count2 = tempCount;
}
}
cout << "The most ocurring number is: " << element << " Frequent: " << count2 << endl << endl;
int searchNumber;
cout << "Enter a search number: ";
cin >> searchNumber;
size_t foundIdx = -1;
for (auto i = 0; i < num; i++)
{
if (x[i] == searchNumber)
{
if(foundIdx == -1) cout << "Index for the found number is:";
foundIdx = i;
cout << ", " << foundIdx;
}
}
cout << "\n";
if(foundIdx == -1)
{
cout << "The number is not in the array!" << endl;
}
int j;
int test=num-1;
for(i=0; i<=test; i++)
{
for(j=i+1; j<=num; j++)
{
int temp;
if(x[i] > x[j])
{
temp=x[i];
x[i]=x[j];
x[j]=temp;
}
}
}
cout << "\n\nThe random numbers in order are:\n";
for(i=0; i<=num; i++)
{
cout << setw(5) << x[i];
if((i+1)%10 == 0)
cout << endl;
}
cout << "\n\nThe random numbers in order by row are:";
for ( j = 0; j < RANGE; j++ )
{
for ( i = 0; i < count[j]; i++ ) cout << j << " ";
cout << endl;
}
return 0;
}
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Last edited on
The problem is that you sometimes use <= num which is wrong (out of bounds) and somethimes < num which is correct.
@coder777 thanks alot!
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