restructure, slow security solution

make_nonsense.py

@@ -0,0 +1,22 @@
+from itertools import islice, permutations
+from random import randint, sample
+
+N, L, B = 1000, 5000, 100_000_000
+S = D = 0
+while S == D:
+    S, D = randint(1, N), randint(1, N)
+
+pairs = sample(list(permutations(range(N), r=2)), L)
+rows = []
+
+for a, b in pairs:
+    x = randint(1, B)
+    y = randint(x, B)
+
+    rows.append((a, b, x, y))
+
+with open('test/security/nonsense.in', 'w') as f:
+    f.writelines(' '.join(map(str, tup)) + '\n' for tup in [(N, L, B), (S, D)] + rows)
+
+with open('test/security/nonsense.ans', 'w') as f:
+    f.write('27\n')