initial commit

majorityelement/meson.build

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+executable('majorityelement', 'src/main.cpp', install: true)

majorityelement/src/main.cpp

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+#include <cassert>
+#include <iostream>
+#include "majorityelement.hpp"
+
+int main() {
+  std::vector<int> nums = {3,2,2,3};
+  int k = majorityElement(nums);
+  std::cout << "k: " << k << std::endl;
+  return 0;
+}

majorityelement/src/majorityelement.hpp

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+#include <vector>
+
+inline int majorityElement(std::vector<int> &nums) {
+  int candidate, count = 0;
+  for (auto num : nums) {
+    if (!count) candidate = num;
+    num == candidate ? count += 1 : count -= 1;
+  }
+  return candidate;
+}