LeetCode-Solutions-in-Cpp17

Solutions to high-frequency interview questions of LeetCode in C++17, taking into account both efficiency and comprehensibility.

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• 直接遍历字符串即可

class Solution {
 public:
  int titleToNumber(string s) {
    int res = 0;
    for (auto& x : s) {
      res *= 26;
      res += x - 'A' + 1;
    }
    return res;
  }
};