力扣223. 矩形面积

 223. 矩形面积 - 力扣（LeetCode） (leetcode-cn.com)

class Solution {
    boolean flag = false;
    public int computeArea(int ax1, int ay1, int ax2, int ay2, int bx1, int by1, int bx2, int by2) {
        int area1 = (ax2-ax1)*(ay2-ay1);
        int area2 = (bx2-bx1)*(by2-by1);
        int[] weight = both(ax1,ax2,bx1,bx2);
        int[] lo = both(ay1,ay2,by1,by2);
        if(flag)return area1+area2;
        int bothweight = weight[1]-weight[0];
        int bothlo = lo[1]-lo[0];
        int botharea = bothlo*bothweight;
        return area1+area2-botharea;

    }
    
    public int[] both(int x11,int x12,int x21,int x22){
        int[] res = new int[2];
        if(x12<=x21||x22 
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