new Hitman[MAX_PLAYERS];//For checking if the player has contract or not
new HitContract[MAX_PLAYERS];//Checking is player have a bounty or not

CMD:hitman(playerid,params[])
{
    new targetid,str[128],ammount,Name[MAX_PLAYER_NAME],Name2[MAX_PLAYER_NAME];//Creating variable for name
    if(sscanf(params,"ui",targetid,ammount))return SendClientMessage(playerid,-1,"Usage /hitman targetid ammount");//checking if the player uses wrong parameters
    if(GetPlayerMoney(playerid)<ammount)return SendClientMessage(playerid,-1,"You dont have enough money");//checking if the player doesnt have enough money
    Hitman[targetid] = 1;//Checking that the targetid has a contract 
    GetPlayerName(playerid,Name,sizeof(Name));//self understandable
    GetPlayerName(targetid,Name2,sizeof(Name2));//self understandable
    format(str,sizeof(str),"%s[%d]has hitman contract %i on %s[%d]",Name,playerid,ammount,Name2,targetid);
    SendClientMessageToAll(-1,str);
    SetPVarInt(playerid,"hitmanmoney",ammount);//Saving the ammount of planted money into a variable which we are going later.
    for(new i=0; i<MAX_PLAYERS; i++)
    {
        if(i==playerid)
        {
            HitContract[i] = 1;//Checking that player has planted a hitman
        }
    }
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    new str[128],Name[MAX_PLAYER_NAME],Name2[MAX_PLAYER_NAME];
    GetPlayerName(playerid,Name,sizeof(Name));
    GetPlayerName(killerid,Name2,sizeof(Name2));
    format(str,sizeof(str),"%s[%d]has collected money for killing hitman %s[%d]",Name2,killerid,Name,playerid);
    SendClientMessageToAll(-1,str);
    for(new i=0; i<MAX_PLAYERS; i++)
    {
        if(HitContract[i] == 1)
        {
            GivePlayerMoney(killerid,GetPVarInt(i,"hitmanmoney"));//Giving killer id money
            GivePlayerMoney(i,GetPVarInt(i,"hitmanmoney"));
                        Hitman[playerid] = 0;//Setting the variable to 0, that means player doesnt have a contract exist anymore
        }
    }
    return 1;
}

Hitman[targetid] = 1;//Checking that the targetid has a contract
// Not Checking, its setting the targetid to hitman
-------------------------------------------------
    for(new i=0; i<MAX_PLAYERS; i++)
    {
        if(i==playerid)
        {
            HitContract[i] = 1;//Checking that player has planted a hitman
        }
    }

// Why loop?? just add HitContract[playerid] = 1;

CMD:checktarget(playerid,params[])
{
new targetid,str[128];
if(sscanf(params,"ui",targetid))return SendClientMessage(playerid,COLOR_WHITE,"Syntax:/checktarget id");
if (Hitman[targetid] == 1)
{
format(str,sizeof(str),"This guy has a bounty $%i",GetPVarInt(targetid,"hitmanmoney"));
SendClientMessage(playerid,COLOR_WHITE,str);
}
else return SendClientMessage(playerid,COLOR_WHITE,"This guy doesnt have any contracts exist");
return 1;
}