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Dimensional Array

Posted on 2006-10-28
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Last Modified: 2010-03-31
How to create sub array with different length?

[0] - > [0]
[1] -> [0] [1]
[2] -> [0] [1] [2]
[3] -> [0] [1] [2] [3]
0
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Question by:heyhey84
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4 Comments
 
LVL 5

Accepted Solution

by:
gkishoreji earned 21 total points
ID: 17827927
// initially define only one dimension
int[][] a = new int[4][];

for(int i = 0; i < 4; i++)
{
// when needed, initialize the second dimension with required number of elements
a[i] = new int[i+1];
}
0
 

Author Comment

by:heyhey84
ID: 17827971
After able created my sub array with different length
The initial one dimension array will be all null

if i want to insert a value

Insert value 1
[0] -> [value 1]
[1] -> null
[2] -> null
[3] -> null

Insert value 2
[0] -> [Value 2]
[1] -> [Value 1][]
[2] -> null
[3] -> null

How do i create this insertion of value? bigger value to be store on top
0
 

Author Comment

by:heyhey84
ID: 17828150
void insert(int n) {
          
          // i think this should create the correct size of array
        count = count + 1;
          a[count] = new int[count+1];
          
        // how to insert the value into the correct slot?                    
       
    }
0
 

Author Comment

by:heyhey84
ID: 17832206
thanks
0

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