[英]Mapping an arrays values to another array
我有一個稱為input
2d數組,我試圖在另一個數組中映射不同的數字以對其進行更改。 在2d數組mapping
它包含我要執行的所有映射。第一個數組是{0,2,3,4,1,5}
,我想使用它來更改input
的值,因此每個1變為2 ,以及2到3以及3到4以及4到1。我在該映射數組中有23個不同的映射,我想更改input
的值。 到目前為止,這是我嘗試過的。
public static int [][] mapOrientation(int input[][]){
int [][] input = {{0,0,0,5},{4,1,1,4},{2,2,0,2},{1,2,3,5},{3,3,3,4},{1,5,5,4}};
int[][] mapping ={{0,2,3,4,1,5},{1,2,0,4,5,3},{5,2,1,4,3,0},{3,2,5,4,0,1},
{3,5,4,0,2,1},{2,5,3,0,1,4},{1,5,2,0,4,3},{4,5,1,0,3,2},
{4,1,0,3,5,2},{5,1,4,3,2,0},{2,1,5,3,0,4},{0,1,2,3,4,5},
{0,4,1,2,3,5},{3,4,0,2,5,1},{5,4,3,2,1,0},{1,4,5,2,0,3},
{1,0,4,5,2,3},{2,0,1,5,3,4},{3,0,2,5,4,1},{4,0,3,5,1,2},
{4,1,0,3,5,2},{5,1,4,3,2,0},{2,1,5,3,0,4}};
int [] comb = mapping[0];
for(int i = 0; i < input.length; i++){
for(int j = 0; j < input[i].length; j++){
input[i][j] = comb[0];
System.out.println(comb[0]);
System.out.println(Arrays.deepToString(input));
cubeToString = Arrays.deepToString(input);
return input;
}
如果還不清楚我的目標是改變input
從
int [][] input ={{5,1,2,0},{2,0,1,4},{1,2,5,5},{3,0,1,3},{4,3,0,4},{3,2,5,4}}
至:
int [][] input ={{5,2,3,0},{3,0,2,1},{2,3,5,5},{4,0,2,4},{1,4,0,1},{4,3,5,1}}
這就是我想要使用comb[0]
。
您的問題是與此行:
input[i][j] = comb[0];
您正在將值設置為始終等於映射的第一項。 你真正想要的是
input[i][j] = comb[input[i][j]];
可運行的例子
public class NewClass
{
public static void main(String... args)
{
int[][] input = {{5,1,2,0},{2,0,1,4},{1,2,5,5},{3,0,1,3},{4,3,0,4},{3,2,5,4}};
mapOrientation(input);
}
public static int [][] mapOrientation(int input[][])
{
int[][] mappings ={{0,2,3,4,1,5},{1,2,0,4,5,3},{5,2,1,4,3,0},{3,2,5,4,0,1},
{3,5,4,0,2,1},{2,5,3,0,1,4},{1,5,2,0,4,3},{4,5,1,0,3,2},
{4,1,0,3,5,2},{5,1,4,3,2,0},{2,1,5,3,0,4},{0,1,2,3,4,5},
{0,4,1,2,3,5},{3,4,0,2,5,1},{5,4,3,2,1,0},{1,4,5,2,0,3},
{1,0,4,5,2,3},{2,0,1,5,3,4},{3,0,2,5,4,1},{4,0,3,5,1,2},
{4,1,0,3,5,2},{5,1,4,3,2,0},{2,1,5,3,0,4}};
System.out.println("Before");
System.out.println(Arrays.deepToString(input));
int[] mapping = mappings[0];
for(int i = 0; i < input.length; i++)
{
for(int j = 0; j < input[i].length; j++)
{
input[i][j] = mapping[input[i][j]];
}
}
System.out.println("After");
System.out.println(Arrays.deepToString(input));
//cubeToString = Arrays.deepToString(input);
return input;
}
}
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