first commit

2022-12-15 23:51:04 +07:00
commit 87d51fb251
292 changed files with 12623 additions and 0 deletions
@@ -0,0 +1,44 @@
+import java.util.*;
+
+public class Main {
+    
+    static class complex{
+        int real, img;
+
+        public complex(int a, int b){
+            real = a;
+            img = b;
+        }
+
+        public complex add(complex b){
+            complex x = new complex(0, 0);
+            x.real = real + b.real;
+            x.img = img + b.img;
+            return x;
+        }
+
+        public complex mul(complex b){
+            complex x = new complex(0, 0);
+            x.real = real*b.real + -img*b.img;
+            x.img = real*b.img + img*b.real;
+            return x;
+        }
+
+        @Override
+        public String toString(){
+            return real + " + " + img + 'i';
+        }
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        while(t-- >0){
+            complex a = new complex(sc.nextInt(), sc.nextInt());
+            complex b = new complex(sc.nextInt(), sc.nextInt());
+            complex c = a.add(b).mul(a);
+            complex d = a.add(b).mul(a.add(b));
+            System.out.printf("%s, %s\n", c, d);
+        }
+    }
+}