题解 | #字符串最后一个单词的长度#

#include <iostream>
#include <string>
using namespace std;
int main(){
    char a;
    int size = 0;
    do{
        a = getchar();
        if (a == ' '){
            size = 0;
        }
        else if (a != '\n'){
            size ++;
        }
        else{

        }
    }while(a!='\n');
    cout<<size;
}