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authorYuqian Yang <crupest@crupest.life>2025-02-12 15:55:21 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-12 16:04:50 +0800
commit77e6cdc863d2cbd9df578a665804daf28d8593fe (patch)
tree62c9f3e071d8d1d6fe125fe801907db11784332e /works/solutions/leetcode/cpp/680.cpp
parent10eb95869601e145b1d8bc909424777c25752d51 (diff)
parenta557fa36a22c5ef4a29da596ee1e3aa10be55984 (diff)
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import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/680.cpp')
-rw-r--r--works/solutions/leetcode/cpp/680.cpp35
1 files changed, 35 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/680.cpp b/works/solutions/leetcode/cpp/680.cpp
new file mode 100644
index 0000000..21d150f
--- /dev/null
+++ b/works/solutions/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;
+ }
+};