leetcode

LeetCode 75 I: Day 5

2 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/ Problems/0409.cpp b/ Problems/0409.cpp

@@ -0,0 +1,15 @@

class Solution {

public:

int longestPalindrome(string s) {

unordered_map<char, int> um;

for (char c : s) um[c]++;

int res = 0;

bool odd = false;

for (auto [c, v] : um) {

if (v % 2 && !odd) odd = true;

res += v / 2;

}

return res * 2 + odd;

}

};

diff --git a/ README.md b/ README.md

@@ -155,6 +155,7 @@ for solving problems. | 0399 | Medium | [Evaluate Division](Problems/0399.cpp) | | 0402 | Medium | [Remove K Digits](Problems/0402.cpp) | | 0404 | Easy | [Sum of Left Leaves](Problems/0404.cpp) |

| 0409 | Easy | [Longest Palindrome](Problems/0409.cpp) |

| 0412 | Easy | [Fizz Buzz](Problems/0412.cpp) | | 0414 | Easy | [Third Maximum Number](Problems/0414.cpp) | | 0415 | Easy | [Add Strings](Problems/0415.cpp) |