public class SpareArray {
public static void main(String[] args) {
int chessArr[][] = new int[11][11];
chessArr[1][2] = 1;
chessArr[2][3] = 2;
chessArr[4][5] = 2;
System.out.println("原始的二维数组: ");
for(int [] row : chessArr){
for (int data: row){
System.out.printf("%d\t",data);
}
System.out.println();
}
int sum = 0;
for (int i = 0; i < 11; i++) {
for (int j = 0; j < 11; j++) {
if (chessArr[i][j] != 0){
sum++;
}
}
}
int spareArray[][] = new int[sum + 1][3];
spareArray[0][0] = 11;
spareArray[0][1] = 11;
spareArray[0][2] = sum;
int count = 0;
for (int i = 1; i < 11; i++) {
for (int j = 1; j < 11; j++) {
if (chessArr[i][j] != 0){
count ++ ;
spareArray[count][0] = i;
spareArray[count][1] = j;
spareArray[count][2] = chessArr[i][j];
}
}
}
System.out.println();
System.out.println("得到的 稀疏数组是: ");
for (int i = 0; i < spareArray.length; i++) {
System.out.printf("%d\t %d\t %d\t\n",spareArray[i][0],spareArray[i][1],spareArray[i][2]);
}
int chessArry1 [][] = new int[spareArray[0][0]][spareArray[0][1]];
for (int i = 1; i < spareArray.length; i++) {
chessArry1[spareArray[i][0]][spareArray[i][1]] = spareArray[i][2];
}
System.out.println("输出恢复后的二维数组: ");
for(int [] row : chessArr){
for (int data: row){
System.out.printf("%d\t",data);
}
System.out.println();
}
}
}
转载请注明原文地址:https://ipadbbs.8miu.com/read-2528.html