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
