C :

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
 
char* strlwr1(char* str)
{
    char* str2 = str;
    while (*str2 != '\0')
    {
        if( *str2 >= 'A' && *str2 <= 'Z')
            *str2 += 0x20;
        str2++;
    }
    return str;
}
 
char* my_strrstr(char* s1, char* s2)
{
    char* last;
    char* current;
    last = NULL;
    int count = 0, pos;
    if (*s2 != '\0')
    {
        current = strstr(s1, s2);
        while (current != NULL)
        {
            last = current;
            current = strstr(last + 1, s2);
            count++;
            if (count == 1)pos = last - s1;
        }
    }
    if (last != NULL) printf("%d %d", count, pos);
    else printf("-1");
    return last;
}
int main()
{
    char *s1 = (char *)malloc(10000000);
    if (s1 == NULL)return 0;
    s1[0] = ' ';
    char s2[20] = " ";
    gets(s2 + 1);
    gets(s1 + 1);
    strcat(s1, " ");
    strcat(s2, " ");
    strlwr1(s1);
    strlwr1(s2);
    my_strrstr(s1, s2);
    free(s1);
}

C++ :

//ac程序
#include <iostream>
#include<string.h>
using namespace std;
string a,b;
int main()
{
 //freopen("stat.in","r",stdin);
 //freopen("stat.out","w",stdout);
 int x=-1,y=0;//x表示第一次出现的位置，y统计总次数
 getline(cin,a);
 getline(cin,b);
 int la=a.length(),lb=b.length();//或者用a.size()
 int i=0;
 while(i<lb)
 {
  while(b[i]==' '&&i<lb)i++;
  int j=0;
  while(j<la&&i<lb)
  {
   if(a[j]==b[i]||abs(a[j]-b[i])==32)
   {
    i++;j++;
   }
   else
    break;
  }
  if(j==la&&(b[i]==' '||i==lb-1))
  {
   if(x==-1)
    x=i-la;
   y++;
  }
  while(b[i]!=' '&&i<lb)i++;
 }
 if(x==-1)
  cout<<x<<endl;
 else
  cout<<y<<' '<<x<<endl; 
 //while(1);
 return 0;
}

Pascal :

var s,v,v1,s1,s2:ansistring;i,ans,x:longint;
begin
 readln(v);
 v1:=upcase(v);
 readln(s);
 s1:=upcase(s)+' ';
 x:=0;s2:='';ans:=0;
 for i:=1 to length(s1) do
  begin

   if s1[i]=' ' then begin
                           if s2=v1 then begin inc(ans);if (ans=1) then x:=i-length(v)-1;end;
                           s2:='';continue;
                     end
    else s2:=s2+s1[i];
  end;
 if ans=0 then writeln(-1) else begin write(ans,' ');writeln(x);end;
end.

Java :

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
	public static void main(String args[]) throws Exception {

		// 输入单词
		Scanner scanner = new Scanner(System.in);
		String word = scanner.nextLine();
		List<String> wordList = str2List(word);

		// 输入句子
		String sentence = scanner.nextLine();
		String[] array = sentence.split(" ");
		List<String> sentenceList = new ArrayList<String>();
		for (int i = 0; i < array.length; i++) {
			sentenceList.add(array[i]);
		}

		// 输出次数、位置
		fun(wordList, sentenceList, sentence);
	}

	public static void fun(List<String> wordList, List<String> sentenceList,
			String sentence) {

		int count = 0;
		int first = sentence.length();
		for (int i = 0; i < sentenceList.size(); i++) {
			List<String> doubtWordList = str2List(sentenceList.get(i));
			if (match(wordList, doubtWordList)) {
				count++;
				int location = 0;
				for (int j = 0; j < i; j++) {
					location += (sentenceList.get(j).length() + 1);
				}
				if (location < first) {
					first = location;
				}
			}
		}

		if (count > 0) {
			System.out.println(count + " " + first);
		} else {
			System.out.println("-1");
		}
	}

	public static boolean match(List<String> wordList,
			List<String> doubtWordList) {
		if (doubtWordList.size() != wordList.size()) {
			return false;
		}
		boolean match = true;
		for (int i = 0; i < wordList.size(); i++) {
			String wordU = wordList.get(i).toUpperCase();
			String wordL = wordList.get(i).toLowerCase();
			if (!doubtWordList.get(i).equals(wordU)
					&& !doubtWordList.get(i).equals(wordL)) {
				match = false;
				break;
			}
		}
		return match;
	}

	public static List<String> str2List(String str) {
		List<String> retList = new ArrayList<String>();
		if (str == null || str.length() == 0) {
			return retList;
		}
		for (int i = 0; i < str.length(); i++) {
			retList.add(str.substring(i, i + 1));
		}
		return retList;
	}
}

Python :

# coding=utf-8
def main():
    word, sentence = input().lower(), input().lower()

    pos = cnt = i = 0
    while i < len(sentence):
        if i == 0 or sentence[i-1] == ' ':
            j = 0
            while j < len(word) and word[j] == sentence[i]:
                i += 1
                j += 1
            if j == len(word) and (sentence[i] == ' ' or i == len(sentence)):
                if cnt == 0:
                    pos = i - len(word)
                cnt += 1
        i += 1

    if cnt > 0:
        print(' '.join([str(cnt), str(pos)]))
    else:
        print(-1)

if __name__ == '__main__':
    main()