first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
@@ -0,0 +1,67 @@
+import java.io.InputStream;
+import java.util.*;
+
+public class Main {
+    
+    
+    static class Point{
+        double x, y;
+        
+        public Point(double a, double b){
+            x = a;
+            y = b;
+        }
+
+        static Point nextPoint(Scanner sc){
+            Point a = new Point(sc.nextDouble(), sc.nextDouble());
+            return a;
+        }
+    }
+    
+    static double dis(Point a, Point b){
+        return Math.sqrt(Math.pow(a.x - b.x, 2) + Math.pow(a.y - b.y, 2));
+    }
+
+    static class Triangle{
+        double A, B, C;
+        public Triangle(Point a, Point b, Point c){
+            A = dis(a, b);
+            B = dis(b, c);
+            C = dis(c, a);
+        }
+        public boolean valid(){
+            double m = Math.max(A, Math.max(B, C));
+            return 2*m < A + B + C;
+        }
+        public String getPerimeter(){
+            double c = A+B+C;
+            return String.format("%.3f", c);
+        }
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        while(t-- >0){
+            Triangle a = new Triangle(Point.nextPoint(sc), Point.nextPoint(sc), Point.nextPoint(sc));
+            if(!a.valid()){
+                System.out.println("INVALID");
+            } else{
+                System.out.println(a.getPerimeter());
+            }
+        }
+    }
+    public static void main6937539(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        while(t-- >0){
+            Triangle a = new Triangle(Point.nextPoint(sc), Point.nextPoint(sc), Point.nextPoint(sc));
+            if(!a.valid()){
+                System.out.println("INVALID");
+            } else{
+                System.out.println(a.getPerimeter());
+            }
+        }
+    }
+}
+