Mine

#include <a_samp>
#include <dini>
#include <dprops>

#define VERSION "1.0"

public OnFilterScriptInit(){
	print("\n-------------------------------------------------\n");
	printf("	S:Anti-Flood %s by Sacky\n",VERSION);
	print("-------------------------------------------------");
}

new connect[MAX_PLAYERS];
new hack;
new names[MAX_PLAYERS][MAX_PLAYER_NAME];

public OnPlayerConnect(playerid){
	if(!PropertyExists("Timer")){
		PropertySet("Timer","On");
		SetTimer("SecTimer",1000,true);
		SetTimer("ClearHack",60000,true);
	}
	GetPlayerName(playerid,names[playerid],MAX_PLAYER_NAME);
	return 1;
}

public OnPlayerDisconnect(playerid){
	if(connect[playerid] < 5){
		new playername[MAX_PLAYER_NAME];
		GetPlayerName(playerid,playername,sizeof(playername));
		new p;
		for(new i=0;i<MAX_PLAYERS;i++){
			if(equal(playername,names[i],false)) break;
			p++;
		}
		if(p == MAX_PLAYERS) hack++;
		if(hack > 5){
			hack = 0;
			Ban(playerid);
			printf("Banned: %s for flood hack",playername);
		}
	}
	return 1;
}

public SecTimer() for(new i=0;i<MAX_PLAYERS;i++) if(IsPlayerConnected(i)) connect[i]++;

public ClearHack() hack = 0;