Find the number of people that can be seen from the treasurer place of view.

[gavra]

can anyone help me with following
behind the treasury there is n people waiting in the row with their height h[1], h[2], h[3]...h[n]. Find the number of people that can be seen from the treasurer place of view.
example : heightes are 155,170,165,180,175,195 - the answer is 4 he can see 1st, 2nd,4th, 6th.
thank you..

[arkitx]

var people:Array = new Array(155,170,165,180,175,195);

function countHigher(arr) {
    var count = 0;
    var tmp;
    for (var i = 0; i<people.length; i++) {
        (tmp>people[i]) ?  count: (tmp=people[i], count++);
    }
    return count;
}

trace("Count: "+countHigher(people));

[paulina]

Hello!
Sorry to interrupt.
I have never seen such a function. Can someone please explain.

[gavra]

thanks, but if you have some extra time can you explain to me what actually does " ? " and " : " in this line (tmp>people[i]) ? count: (tmp=people[i], count++);

[Prid]

(condition) ? trueExpression : falseExpression

for example:

(5>3) ? trace("yes") : trace("no");

If 5 is greater than 3, if that condition is TRUE, then execute the TRUE expression, which is to the left for " : ", but let's alter the code:

(1>3) ? trace("yes") : trace("no");

in this case, 1 is NOT greater than 3, so the FALSE expression will be executed, which is to trace "no".

[arkitx]

Prid explained all which you want to know.

Else, this is a shorthand of if..else statement.

Thank you Prid

[Prid]

np

btw, gotta commend you for that great short code

[gavra]

I just never used that kind of if statement before. Thanks

[Prid]

@gavra: trust me, when I first saw it, I thought it was some really complex code, but after discovering that it was a common programming syntax, I learned of its simplicity

[gavra]

Originally Posted by Prid

@gavra: trust me, when I first saw it, I thought it was some really complex code, but after discovering that it was a common programming syntax, I learned of its simplicity

well said