Switch or if else for large number

Switch or if else for large number - Printable Version

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+--- Thread: Switch or if else for large number (/showthread.php?tid=625057)

Switch or if else for large number - Nubik - 27.12.2016

Is there any downsides of using this

Code:

        if(Score >= 0)
	else if(Score > 49 && Score < 100)
	else if(Score > 99 && Score < 250)
	else if(Score > 249 && Score < 500)
	else if(Score > 499 && Score < 1000)
	else if(Score > 999 && Score < 2500)
	else if(Score > 2499 && Score < 5000)
	else if(Score > 4999)

Than this

Code:

        switch(Score)
	{
		case 0..49:
		case 50..99:
		case 100..249:
		case 250..499:
		case 500..999:
		case 1000..1499: // and so on
	}

I read somewhere that switch isn't for large number of cases not sure if switching 5000 cases would be ok or im better off with if else.

Re: Switch or if else for large number - BiosMarcel - 27.12.2016

Just do a benchmark, to see which is faster(if any)

Also i think case looks cleaner

Re: Switch or if else for large number - Vince - 27.12.2016

Depends on what you're doing inside those blocks, honestly. But you can probably use an array and a loop in some way. Be it to store some titles or reward amounts or ...

PHP Code:



enum E_PLAYER_TITLES {

    requiredScore,

    title[24]

}


new playerTitles[E_PLAYER_TITLES] = {

    {0, "Beginner"},

    {50, "Intermediate"},

    {100, "Expert"}

};


new i = -1;


while(score >= playerTitles[i + 1][requiredScore] && i < sizeof playerTitles - 1) { i++; }


SetPlayerTitle(playerid, playerTitles[i][title]);

Something along those lines.

Re: Switch or if else for large number - Hansrutger - 27.12.2016

I go with switch case always because I can read it easier, but yea go and read about https://sampwiki.blast.hk/wiki/GetTickCount to see which one is faster. They are more or less the same thing in pawn though as a switch in pawn isn't a switch but actually an else if.

Re: Switch or if else for large number - SickAttack - 27.12.2016

Switch is 458865322467789986 times faster no doubt.

Even one if-then is really slow.