#include <a_samp>
#define CONTESTTIME 3
#define MINIMUM_VALUE 2000000
#define MAXIMUM_VALUE 8000000
#define CONTEST_PRIZE 5000
#define MAX_CONTESTWORD_LENGTH 5  //Set to whatever you want

new ContestAnswer[MAX_CONTESTWORD_LENGTH];
forward NewContest();
forward OnPlayerWinContest(playerid);
public OnFilterScriptInit()
{
	SetTimer("NewContest",(1000*60*CONTESTTIME),1);
	return 1;
}

public OnPlayerText(playerid, text[])
{
	if(!strcmp(text, ContestAnswer, false) && strlen(ContestAnswer))
	{
		OnPlayerWinContest(playerid);
	}
	return 1;
}

public NewContest()
{
	new string [128];
	randomletters(ContestAnswer);
    format(string,sizeof string,"A new contest has started. Whoever types %s first, wins $%d.",ContestAnswer,CONTEST_PRIZE);
	SendClientMessageToAll(0x00FFFFFF,string);
	return 1;
}

public OnPlayerWinContest(playerid)
{
	new pName[MAX_PLAYER_NAME],string[128];
	GetPlayerName(playerid,pName,sizeof pName);
	format(string,sizeof string,"Player %s has won the contest and has won %d!",pName,CONTEST_PRIZE);
	SendClientMessageToAll(0x00FFFFFF,string);
	GivePlayerMoney(playerid,CONTEST_PRIZE);
	ContestAnswer = "";
	return 1;
}
stock randomletters(string[], maxlen = sizeof(string))
{
    new i;
    while(i < maxlen)
    {
        if(random(2))
        {
            //upper
            string[i] = random(26) + 65;
        }
        else
        {
            //lower
            string[i] = random(26) + 97;
        }
        i++;
    }
    return 1;
}