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相似三角形
Time Limit: 1000 ms Memory Limit: 65536 KiB
Submit Statistic
Problem Description
给出两个三角形的三条边，判断是否相似。
Input
多组数据，给出6正个整数，a1,b1,c1,a2,b2,c2，分别代表两个三角形。(边长小于100且无序）
Output
如果相似输出YES，如果不相似输出NO，如果三边组不成三角形也输出NO。
Sample Input
1 2 3 2 4 6 3 4 5 6 8 10 3 4 5 7 8 10
Sample Output
NO YES NO
Hint
Source
import java.util.*;public class Main{public static void main(String args[]){Scanner input = new Scanner(System.in);int t, a1, a2, b1, b2, c1, c2;while(input.hasNext()){a1 = input.nextInt();b1 = input.nextInt();c1 = input.nextInt();a2 = input.nextInt();b2 = input.nextInt();c2 = input.nextInt();if(a1 > c1){t = a1; a1 = c1; c1 = t;}if(b1 > c1){t = b1; b1 = c1; c1 = t;}if(a1 > b1){t = a1; a1 = b1; b1 = t;}if(a2 > c2){t = a2; a2 = c2; c2 = t;}if(b2 > c2){t = b2; b2 = c2; c2 = t;}if(a2 > b2){t = a2; a2 = b2; b2 = t;}boolean flag = true;if(a1+b1 <= c1 || a2+b2 <= c2){//判断两组数据能不能构成三角形flag = false;}else if(a1*b2 != b1*a2 || a1*c2 != a2*c1){//判断两个三角形是否相似（推荐使用判断对应边是否成比例来判断）flag = false;}if(flag) System.out.println("YES");else System.out.println("NO");}input.close();}
}