两个工会rectangles.write程序找到尽可能小的矩形,内含2给出矩形 [英] union of two rectangles.write a program to find the smallest possible rectangle enclosing the 2 given rectangles

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问题描述

鉴于左下角(X,Y),长度(l)和宽度的坐标2的矩形(重量),写一个程序,找出可能的最小矩形包围2给定的矩形。

Given the coordinates of the lower left corner (x,y), the length (l) and width(w) of 2 rectangles, write a program to find the smallest possible rectangle enclosing the 2 given rectangles.

输入和输出格式:

输入的第一行包含用空格分隔的4个整数对应于X,Y,L和W的第一个矩形的。

The 1st line of the input consists of 4 integers separated by a space that correspond to x, y, l and w of the first rectangle.

输入的第二行包括用空格分隔的4个整数对应于X,Y,L和W的第二个矩形的。

The 2nd line of the input consists of 4 integers separated by a space that correspond to x, y, l and w of the second rectangle.

输出由对应于X,Y,L和W的联盟矩形的4个整数。

Output consists of 4 integers that correspond to x, y, l and w of the Union rectangle.

样品输入:

3 8 1515

2 6 10 10

2 6 10 10

示例输出:

2 6 16 17

2 6 16 17

我无法弄清楚逻辑....我不要求对整个方案,只希望在逻辑部分帮助...

I am not able to figure out the logic....I am not asking for the whole program,just want help on the logic part...

更新:
这里是我的计划,现在工作...感谢ü所有的帮助:)

UPDATE: here is my program which is now working...thank u all for your help :)

#include<stdio.h>
int main() {
  int x1, x2, y1, y2, l1, l2, w1, w2, xmax, xmin, ymax, ymin;
  scanf("%d %d %d %d\n",&x1,&y1,&l1,&w1);
  scanf("%d %d %d %d\n",&x2,&y2,&l2,&w2);
  xmin = x1 < x2 ? x1 : x2;
  ymin = y1 < y2 ? y1 : y2;
  int b = x1 + l1;
  int c = x2 + l2;
  xmax = b > c ? b : c;
  int d = y1 + w1;
  int e = y2 + w2;
  ymax = d > e ? d : e;
  int l = xmax - xmin;
  int w = ymax - ymin;
  printf("%d %d %d %d",xmin,ymin,l,w);
  return 0;
}

不能在我的程序找出问题..:(

can't figure out the problem in my program.. :(

推荐答案

步骤:


  1. 计算两个矩形的右上角

  2. 您一定要排序的X坐标,而y坐标。

  3. 内附2给出矩形的最小矩形有:

  1. calculate upper-right corner of two rectangles
  2. You must to Sort the x's coordinates, and the y's coordinates.
  3. The smallest rectangle enclosing the 2 given rectangles has:


  • 左下角:(X1,Y1)

  • 右上角:(X4,Y4)

  • lower-left corner: (x1,y1)
  • upper-right corner: (x4,y4)

计算大小。

请参阅图:

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