main.cpp
· 385 B · C++
Raw
#include <iostream>
#include <functional>
std::function<int()> fibonacci()
{
int current = 1, next = 1;
return [=]() mutable {
int result = current;
next = current + (current = next);
return result;
};
}
int main()
{
auto fib = fibonacci();
for (int i = 0; i < 10; i++) {
std::cout << fib() << std::endl;
}
return 0;
}
| 1 | #include <iostream> |
| 2 | #include <functional> |
| 3 | |
| 4 | std::function<int()> fibonacci() |
| 5 | { |
| 6 | int current = 1, next = 1; |
| 7 | |
| 8 | return [=]() mutable { |
| 9 | int result = current; |
| 10 | next = current + (current = next); |
| 11 | return result; |
| 12 | }; |
| 13 | } |
| 14 | |
| 15 | int main() |
| 16 | { |
| 17 | auto fib = fibonacci(); |
| 18 | |
| 19 | for (int i = 0; i < 10; i++) { |
| 20 | std::cout << fib() << std::endl; |
| 21 | } |
| 22 | |
| 23 | return 0; |
| 24 | } |
| 25 |