题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    string str ,str_ ,i_str ;
    int count = 0 ,flag = 0 ,first_appear = -1;
    getline(cin ,str);
    for (int i = 0 ; i < str.size() ; i++)  //将给定的单词大写字母转为小写
        if (str[i] >= 'A' && str[i] <= 'Z')
            str[i] = char(int(str[i]) + 32);
    getline(cin ,str_);
    for (int i = 0 ; i < str_.size() ; i++)  //将文章大写字母转为小写
        if (str_[i] >= 'A' && str_[i] <= 'Z')
            str_[i] = char(int(str_[i]) + 32);
    int len = str_.size();
    for (int i = 0 ,j = 0; i < len ; i++){
        if (str_[i] != ' '){  //将单个单词分割出来
            i_str = "";
            for (j = i ; j < len ; j++){
                if (str_[j] == ' ')
                    break;
                else
                    i_str += str_[j];
            }
            i = j;
            if (i_str == str){  //如果分割出来的单个单词与需要查找的单词相同
                count++;
                if (flag == 0){
                    flag = 1;
                    first_appear = i - i_str.size();  //获得第一次出现的位置
                }
            }
        }
    }
    if (count == 0){
        cout << -1;
        return 0;
    }
    cout << count << " " << first_appear;
    return 0;
}