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Answer to Question #53186 in C++ for jemal

Question #53186
Write and test the following function that attempts to remove an item from an array:
bool removeFirst(float a[],int& n,float x);
The function searches the first n elements of the array a for the item x. If x is found, its
firstoccurrence is removed, all the elements above that position are shifted down, n is decre-mented,
and true is returned to indicate a successful removal. If x is not found, the array is left unchanged and
false is returned.
Expert's answer
Answer

#include <iostream>
using namespace std;

bool removeFirst(float a[],int& n,float x)
{
bool b=0;
for (int i=0;i<n;i++)
{
if (a[i]==x)
{
for (int j=i;j<n;j++)
{
a[j]=a[j+1];
}
n--;
b=1;
break;
}

}
return b;
}

int main()
{
float ar[]={3,4,4,4,2,2,2,1};
int n=8;
cout<<removeFirst(ar, n, 2)<<endl;
for (int i=0;i<n;i++)
cout<<ar[i]<<" ";
}

Output
1
3 4 4 4 2 2 1

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