题解 | 统计单词

#include<bits/stdc++.h>
using namespace std;

int main()
{
    string str;
    while(getline(cin,str))
    {
        int len = str.length();
        int sum = 0;
        for(int i = 0;i<len;i++)
        {
            if(str[i] == ' ' || str[i] == '.')
            {
                cout<<sum<<" ";
                sum = 0;
            }
            else {
                sum += 1;
            }
        }

    }
    return 0;
}