create dev channel

zeta/py/1485.py

@@ -0,0 +1,33 @@
+N = int(input())
+
+
+def check90(p1, p2, p3):
+    if p2[0] - p1[0] == 0:
+        if p3[1] - p1[1] == 0:
+            return True
+    elif p3[0] - p1[0] == 0:
+        if p2[1] - p1[1] == 0:
+            return True
+
+    return - (p3[0] - p1[0]) * (p2[1] - p1[1]) == (p3[1] - p1[1]) * (p2[0] - p1[0])
+
+
+for _ in range(N):
+    P = [(p1x, p1y), (p2x, p2y), (p3x, p3y), (p4x, p4y)] = \
+        map(int, input().split()), map(int, input().split()), map(int, input().split()), map(int, input().split())
+    if check90((p1x, p1y), (p2x, p2y), (p3x, p3y)):
+        (opox, opoy) = p4x, p4y
+        (remx, remy) = p3x, p3y
+    elif check90((p1x, p1y), (p2x, p2y), (p4x, p4y)):
+        (opox, opoy) = p3x, p3y
+        (remx, remy) = p2x, p2y
+    elif check90((p1x, p1y), (p3x, p3y), (p4x, p4y)):
+        (opox, opoy) = p2x, p2y
+        (remx, remy) = p4x, p4y
+    else:
+        print(0)
+        continue
+    if (opox - p1x) ** 2 + (opoy - p1y) ** 2 == 2 * (remx - p1x) ** 2 + 2 * (remy - p1y) ** 2:
+        print(1)
+    else:
+        print(0)