diff options
Diffstat (limited to 'other/peeking_iterator.cpp')
-rw-r--r-- | other/peeking_iterator.cpp | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/other/peeking_iterator.cpp b/other/peeking_iterator.cpp deleted file mode 100644 index 1c4d0b9..0000000 --- a/other/peeking_iterator.cpp +++ /dev/null @@ -1,32 +0,0 @@ -#include "leetcode.h" - -class Iterator { - struct Data; - Data *data; - -public: - Iterator(const vector<int> &nums); - Iterator(const Iterator &iter); - int next(); - bool hasNext() const; -}; - -class PeekingIterator : public Iterator { -public: - int nextVal; - PeekingIterator(const vector<int> &nums) : Iterator(nums) { - nextVal = Iterator::next(); - } - int peek() { return nextVal; } - int next() { - int tmp = nextVal; - if (Iterator::hasNext()) - nextVal = Iterator::next(); - else - nextVal = NULL; - return tmp; - } - bool hasNext() const { return (nextVal != NULL); } -}; - -int main() {} |