codevs 1131 统计单词数

#include<iostream>
#include<string>
using namespace std;

int main() 
{
    string s, s0;
    getline(cin, s0);//short
    getline(cin, s);
    for (int i = 0; i < s.length(); i++)
        s[i] = tolower(s[i]);
    for (int i = 0; i < s0.length(); i++)
        s0[i] = tolower(s0[i]);
    int k1 = s.length();
    int k2 = s0.length();
    s = " " + s + " ";
    s0 = " " + s0 + " ";
    int pos = s.find(s0);
    int cnt = 0;
    int k =pos;
    while (k>0)
    {
        cnt++;
        k= s.find(s0, ++k);
    }
    if (!cnt)
        cout << -1 << endl;
    else
        cout << cnt << " " << pos<< endl;
}