反转图片（力扣题库）

public static void main(String[] args) {
flipAndInvertImage(new int[][]{{1,1,0},{1,0,1},{0,0,0}});

}

public static int[][] flipAndInvertImage(int[][] A) {
for (int i = 0; i < A.length; i++) {//翻转
for (int j = 0; j <(int)(A[i].length/2); j++) {
A[i][j]=A[i][j]+A[i][A[i].length-j-1];
A[i][A[i].length-j-1]=A[i][j]-A[i][A[i].length-j-1];
A[i][j]=A[i][j]-A[i][A[i].length-j-1];
}
}
for (int i = 0; i < A.length; i++) {
for (int j = 0; j < A[i].length; j++) {//反转
if (A[i][j]==1){
A[i][j]=0;
}else{
A[i][j]=1;
}
}
}
return A;
}