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| author | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
| commit | d8f3b40085619cb680c8f227c65a1f5acc393223 (patch) | |
| tree | 6a38e3a6c79276fc396259ef962d17236dbed569 /leetcode/cpp/680.cpp | |
| parent | b0162802ad9723c678e495f29ca2f0fc0af2eff1 (diff) | |
| download | solutions-d8f3b40085619cb680c8f227c65a1f5acc393223.tar.gz solutions-d8f3b40085619cb680c8f227c65a1f5acc393223.tar.bz2 solutions-d8f3b40085619cb680c8f227c65a1f5acc393223.zip | |
Move leetcode solutions to subdir.
Diffstat (limited to 'leetcode/cpp/680.cpp')
| -rw-r--r-- | leetcode/cpp/680.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/leetcode/cpp/680.cpp b/leetcode/cpp/680.cpp new file mode 100644 index 0000000..21d150f --- /dev/null +++ b/leetcode/cpp/680.cpp @@ -0,0 +1,35 @@ +#include <string>
+
+using std::string;
+
+bool strict_palindrome(string::const_iterator left, string::const_iterator right)
+{
+ while (left < right)
+ {
+ if (*left != *right)
+ return false;
+ ++left;
+ --right;
+ }
+ return true;
+}
+
+class Solution
+{
+public:
+ bool validPalindrome(string s)
+ {
+ string::const_iterator left = s.cbegin();
+ string::const_iterator right = s.cend() - 1;
+
+ while (left < right)
+ {
+ if (*left != *right)
+ return strict_palindrome(left, right - 1) || strict_palindrome(left + 1, right);
+
+ ++left;
+ --right;
+ }
+ return true;
+ }
+};
|