And here's my stack-based solution: class NestedIterator { vector<NestedInteger>& data; unsigned inx; stack<pair<NestedInteger*, unsigned>> stk; public: NestedIterator(vector<NestedInteger> &nestedList) :data(nestedList), inx(0) { if(data.size()) stk.push({ const_cast<NestedInteger*>(&dat...
hackerrank 30-days-of-code misc alphabet-rangoli athlete-sort capitalize collections.namedtuple compress-the-string designer-door-mat find-second-maximum-number-in-a-list finding-the-percentage ginortS itertools.permutations list-comprehensions lists merge-the-tools minion-game most-commons mutations n...