25. （阅读程序写结果）

#include <iostream>
#include <string>
using namespace std;
int main()
{
    string str;
    int i;
    int count;
    count = 0;
    getline(cin, str);
    for(i = 0; i < str.length(); i++)
        if(str[i] >= 'a' && str[i] <= 'z')
            count++;
    cout << "It has " << count << " lowercases" << endl;
    return 0;
}

输入：

NOI2016 will be held in Mian Yang.

输出：{{ input(1) }}