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| author | crupest <crupest@outlook.com> | 2020-05-21 15:14:10 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-05-21 15:14:10 +0800 |
| commit | ce1d40841a662386522d3c52fe413d424e42e32c (patch) | |
| tree | 0f83cd2818f63df8a5074437da9486a2070b72b8 /works/solutions/cpp/680.cpp | |
| parent | f8c5cf9b9892e7dd25909d12e08a5d029f702b84 (diff) | |
| download | crupest-ce1d40841a662386522d3c52fe413d424e42e32c.tar.gz crupest-ce1d40841a662386522d3c52fe413d424e42e32c.tar.bz2 crupest-ce1d40841a662386522d3c52fe413d424e42e32c.zip | |
import(solutions): Add problem 680 .
Diffstat (limited to 'works/solutions/cpp/680.cpp')
| -rw-r--r-- | works/solutions/cpp/680.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/works/solutions/cpp/680.cpp b/works/solutions/cpp/680.cpp new file mode 100644 index 0000000..21d150f --- /dev/null +++ b/works/solutions/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;
+ }
+};
|