ucasfl

#include <algorithm>
#include <functional>
#include <iostream>
#include <memory>
#include <vector>

#if 0
template <typename F>
void myfunc(int a, int b, F f)
{

ucasfl

#include <iostream>
#include <vector>

using namespace std;

template <typename T, size_t dim1, size_t dim2>
class array2dref
{
public:
    array2dref(T * data_) : data(data_) {}