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; int main() { string a1; getline(cin, a1); size_t sum = a1.rfind(" "); cout << a1.size() - sum - 1 << endl; return 0; }
用getline防止碰到“ ” 就结束,rfind 从后往前找