mobile typing isn't scored — practice only
std::unordered_map<std::string, int> frequency(
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 hashmap snippet in C++ — 11 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 (11 lines)
#include <string>
#include <unordered_map>
#include <vector>
std::unordered_map<std::string, int> frequency(
const std::vector<std::string>& words) {
std::unordered_map<std::string, int> freq;
for (const auto& w : words) ++freq[w];
return freq;
}
more C++ snippets:
browse all C++ snippets →