mobile typing isn't scored — practice only
struct Node {
C++ · general · type the snippet below to practice
def fib(n):
a, b = 0, 1
for _ in range(n):
a, b = b, a + b
return a
about this snippet
This is the uniqueptr snippet in C++ — 18 lines of real C++ code that exercises common patterns you'll see in production. DeveloperType scores you on net WPM and accuracy and only counts runs above 95% accuracy on the leaderboard, so practice rewards precision, not speed alone.
view source (18 lines)
#include <memory>
struct Node {
int val;
std::unique_ptr<Node> next;
Node(int v) : val(v), next(nullptr) {}
};
std::unique_ptr<Node> makeList(int n) {
auto head = std::make_unique<Node>(0);
Node* cur = head.get();
for (int i = 1; i < n; ++i) {
cur->next = std::make_unique<Node>(i);
cur = cur->next.get();
}
return head;
}
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