Linked list finding first recurring integer!
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#include <iostream>
#include <vector>
using namespace std;
class HashTables{
public:
static const int TableSize = 10;
int Table[TableSize];
HashTables()
{
for(int i = 0; i < TableSize; i ++)
{
Table[i] = 0;
}
}
void recurring(vector<int> arr)
{
int i;
for(i = 0 ; i < arr.size(); i ++)
{
if(Table[arr[i]] == 1){
cout << arr[i];
return;
}
if(Table[arr[i]] < 2)
Table[arr[i]]++;
}
if(i == arr.size()){
cout << "undefined";
}
}
};
int main() {
vector<int> One = {2,5,1,2,3,5,1,2,4};
vector<int> Two = {2,1,1,2,1,3,5,1,2,4};
vector<int> Three = {2,3,4,5};
HashTables Find;
Find.recurring(Three);
return 0;
}
Cpp
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