题解 | #字符串最后一个单词的长度#
字符串最后一个单词的长度
https://www.nowcoder.com/practice/8c949ea5f36f422594b306a2300315da
#include<iostream> #include<string> using namespace std; class Solution { public: int firstWorld(string s) { int count = 0; int pos = s.rfind(" "); if (pos != string::npos) { int len = s.length(); for (int i = len - 1; i > pos; i--) { ++count; } return count; } else { int len = s.length(); return len; } } }; int main() { Solution sol; string s; getline(cin,s); int a = sol.firstWorld(s); cout << a << endl; return 0; }