vector 实现文本字符串大小写转换 3.14

#include<iostream>#include<vector>#include<cstring>#include<cstdio>using namespace std;int main(){    vector<string> word;    string a;    while(cin>>a)    {       int len=a.length();       for(int i=0;i<len;i++)       {           if('a'<=a[i]&&a[i]<='z')           {               a[i]-=32;           }       }       word.push_back(a);    }    int count=0;    int length=word.size();    for(int j=0;j<length;j++)    {        count++;       cout<<word[j]<<" ";        if(count==8)        {            count=0;            cout<<endl;        }    }    return 0;}