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> using namespace std; int lastsize(string str) { int n = str.size(); if(n == 0) { return -1; } for (int i = n-1; i >= 0; i--) { if(str[i] == ' ') { return n-i-1; } } return n; } int main() { string res; getline(cin, res); cout << lastsize(res); }