JavaScript срочно

Discussion in 'Болталка' started by Rebit, 2 Apr 2010.

Page 1 of 2
  1. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    Срочно нужно Задано одновимірний масив цілих чисел, визначити значення найменшого елементу і вивести його на екран.
     
    #1 Rebit, 2 Apr 2010
  2. Nizhegorodets

    Nizhegorodets Member

    Joined:
    21 Mar 2009
    Messages:
    80
    Likes Received:
    66
    Reputations:
    9
    Если я так понял... отсортируй сначало массив по возрастанию/убыванию и выведи первый/последний элемент массива...
    Если массив маленький, то и пузырьком можно отсортировать - это самое простое.
     
    #2 Nizhegorodets, 2 Apr 2010
  3. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    нужен исходник
     
    #3 Rebit, 2 Apr 2010
  4. Dr.Brain

    Dr.Brain Banned

    Joined:
    4 Sep 2009
    Messages:
    6
    Likes Received:
    16
    Reputations:
    0
    Сортировка, а потом

    echo "mas[0]";
     
    #4 Dr.Brain, 2 Apr 2010
  5. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    <script language="JavaScript">
    function sortByLength(a, b)
    {
    if(a.length > b.length) return 1;
    else
    if(a.length = b.length) return 0;
    else return -1;
    }

    // инициализация массива
    var myArray = new Array()
    myArray[0] = '1'
    myArray[1] = '665'
    myArray[2] = '10'
    myArray[3] = '0'
    myArray[4] = '13'

    alert('исходный массив:\n\n' + myArray.join('\n'))


    myArray.echo "mas[0]";;
    alert('сортированный по длине:\n\n' + myArray.join('\n'))
    </script>

    што не так ?
     
    #5 Rebit, 2 Apr 2010
  6. Ins3t

    Ins3t Харьковчанин

    Joined:
    18 Jul 2009
    Messages:
    939
    Likes Received:
    429
    Reputations:
    139
    Code:
    <script>
function sortMas(i, ii) 
{
    if (i > ii)
        return 1;
    else if (i < ii)
        return -1;
    else
        return 0;
}
var arr = [3, 6, 4, 7, 1, 2, 10, 13, 19, 0];
arr.sort(sortMas);
alert(arr[0]);
</script>
     
    #6 Ins3t, 2 Apr 2010
  7. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    Плиз напишите все с нуля ктото
     
    #7 Rebit, 2 Apr 2010
  8. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    нужно через цикл
     
    #8 Rebit, 2 Apr 2010
  9. Ins3t

    Ins3t Харьковчанин

    Joined:
    18 Jul 2009
    Messages:
    939
    Likes Received:
    429
    Reputations:
    139
    Зачем цикл здесь?

    Code:
    <script language="JavaScript">
function sortByLength(a, b) 
{
    if (a > b)
        return 1;
    else if (a < b)
        return -1;
    else
        return 0;
}
var myArray = new Array()
myArray[0] = '1'
myArray[1] = '665'
myArray[2] = '10'
myArray[3] = '0'
myArray[4] = '13'

alert('исходный массив:\n\n' + myArray.join('\n'))
myArray.sort(sortByLength);

var min = myArray[0];
alert('Минимальное значение массива:' + min);
</script>
     
    #9 Ins3t, 2 Apr 2010
  10. wildshaman

    wildshaman Elder - Старейшина

    Joined:
    16 Apr 2008
    Messages:
    478
    Likes Received:
    483
    Reputations:
    99
    <script language="JavaScript">
    var arr = [1, 2,5,4,7,9,3,6,3,7];
    arr.sort();
    alert(arr[0]);
    </script>
     
    #10 wildshaman, 2 Apr 2010
  11. Ins3t

    Ins3t Харьковчанин

    Joined:
    18 Jul 2009
    Messages:
    939
    Likes Received:
    429
    Reputations:
    139
    С циклом накатал по быстрому:
    Code:
    <script language="JavaScript">
var arrSize = 4;
var inser = 0;
var myArray = new Array()
myArray[0] = '1'
myArray[1] = '665'
myArray[2] = '6'
myArray[3] = '9'
myArray[4] = '13'
for( var next = 1; next < arrSize; next++ )
{
	inser = myArray[next];
	var movItem = next;
	while( ( movItem > 0 ) && ( myArray[movItem - 1] > inser ) )
	{
		myArray[movItem] = myArray[movItem - 1];
		movItem--;
	}
	myArray[movItem] = inser;
}
alert(myArray[0]);
</script>
     
    #11 Ins3t, 2 Apr 2010
  12. Ins3t

    Ins3t Харьковчанин

    Joined:
    18 Jul 2009
    Messages:
    939
    Likes Received:
    429
    Reputations:
    139
    И последний штрих, дабы обходится без var arrSize = 4;
    Code:
    <script language="JavaScript">
var inser = 0;
var myArray = new Array()
myArray[0] = '7'
myArray[1] = '665'
myArray[2] = '6'
myArray[3] = '1'
myArray[4] = '0'
var arrSize = myArray.length;

alert( 'исходный массив:\n\n' + myArray.join( '\n' ) );

for( var next = 0; next < arrSize; next++ )
{
	inser = myArray[next];
	var movItem = next;
	while( ( movItem > 0 ) && ( myArray[movItem - 1] > inser ) )
	{
		myArray[movItem] = myArray[movItem - 1];
		movItem--;
	}
	myArray[movItem] = inser;
}

alert( 'Отсортированный массив:\n\n' + myArray.join( '\n' ) );
alert( 'Минимальный элемент массива:' + myArray[0] );

</script>
    Это то что тебе надо.

    P.S.: Доктор брейн - идиот.
     
    #12 Ins3t, 2 Apr 2010
    Last edited: 2 Apr 2010
  13. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    ВОт так типа нужно но чото у меня NaN пишет незнаю чево так . И препад ебонулса головой

    Code:
    
<html>
<head></head><body>
<script>
function func(m) 
{
   min=m[0]
{for (I=1; I<length.m; I++)
{if (m[I]<min) {min=m[I]}}
result=min
        return(result)}
}
var arr = (3, 6, 4, 7, 1, 2, 10, 13, 19, 2);
s=func(arr)
document.write(+s);
</script>
</Body>
</html>
     
    #13 Rebit, 2 Apr 2010
  14. wildshaman

    wildshaman Elder - Старейшина

    Joined:
    16 Apr 2008
    Messages:
    478
    Likes Received:
    483
    Reputations:
    99
    массив назови m а не arr
     
    #14 wildshaman, 2 Apr 2010
  15. Kaimi

    Kaimi Well-Known Member

    Joined:
    23 Aug 2007
    Messages:
    1,732
    Likes Received:
    809
    Reputations:
    231
    А ты для разнастайнасці вывучыў асновы javascript і ў цябе не будзе ўзнікаць такіх пытанняў
     
    _________________________
    #15 Kaimi, 2 Apr 2010
  16. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    Во изменил так

    Code:
    <html>
<head></head><body>
<script>
function func(m) 
{
   min=m[0]
{for (I=1; I<length.m; I++)
{if (m[I]<min) {min=m[I]}}
result=min
        return(result)}
}
var m = (3, 6, 4, 7, -1, 2, 10, 13, 19, 2);
s=func(m)
document.write(m);
</script>
</Body>
</html>
    Оно мне не виводит минимальний елемент
     
    #16 Rebit, 2 Apr 2010
  17. m0Hze

    m0Hze Elder - Старейшина

    Joined:
    1 Nov 2008
    Messages:
    266
    Likes Received:
    646
    Reputations:
    208
    Может быть, писать будем на русском языке? Я вот нихера ни понял
     
    #17 m0Hze, 2 Apr 2010
  18. Rebit

    Rebit Elder - Старейшина

    Joined:
    7 Aug 2007
    Messages:
    85
    Likes Received:
    214
    Reputations:
    2
    У меня JavaScript будет ток 1 триместр и все . Я потом буду сам учить
     
    #18 Rebit, 2 Apr 2010
  19. Kaimi

    Kaimi Well-Known Member

    Joined:
    23 Aug 2007
    Messages:
    1,732
    Likes Received:
    809
    Reputations:
    231
    Вядома не выводзіць, у цябе ў кодзе трызненне напісаны
     
    _________________________
    #19 Kaimi, 2 Apr 2010
  20. Kaimi

    Kaimi Well-Known Member

    Joined:
    23 Aug 2007
    Messages:
    1,732
    Likes Received:
    809
    Reputations:
    231
    Без проблем, если на русском будут все остальные писать.

    Code:
    <script>
function func(m) 
{
	var min = m[0];
	for (var i=1, j=m.length; i<j; i++)
		if (m[i]<min) 
			min=m[i];

    return min;
}
var arr = Array(3, 6, 4, 7, 1, 2, 10, 13, 19, 2);
document.write(func(arr));
</script>
     
    _________________________
    #20 Kaimi, 2 Apr 2010
(You must log in or sign up to post here.)
Page 1 of 2