programming-examples/c++/Others/A generic mode finding function..cpp

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2019-11-15 12:59:38 +01:00
A generic mode finding function.
#include <iostream>
#include <cstring>
using namespace std;
template <class X> X mode(X *data, int size)
{
register int t, w;
X md, oldmd;
int count, oldcount;
oldmd = 0;
oldcount = 0;
for(t=0; t<size; t++) {
md = data[t];
count = 1;
for(w = t+1; w < size; w++)
if(md==data[w]) count++;
if(count > oldcount) {
oldmd = md;
oldcount = count;
}
}
return oldmd;
}
int main()
{
int i[] = { 1, 2, 3, 4, 2, 3, 2, 2, 1, 5};
char *p = "this is a test";
cout << "mode of i: " << mode(i, 10) << endl;
cout << "mode of p: " << mode(p, (int) strlen(p));
return 0;
}