从cin读入一组词并把它们存入一个vector对象,然后设法把所有的词都改写为大写形式,输出改变后的结果,每个词占一行;
# include <iostream>
# include <vector>
# include <string>
# include <cctype>
using std::vector;
using namespace std;
int main()
{
string word;
vector<string>fruit;
while (cin >> word)
{
for (int i = 0;i < word.size();i++)
word[i]=toupper(word[i]);
fruit.push_back(word);
}
for (int i = 0;i < fruit.size();i++)
cout << fruit[i] << endl;
return 0;
}
输出结果: