restructure zeta/** to storage/zeta/**

storage/zeta/py/completed/15655.py

@@ -0,0 +1,13 @@
+N, M = map(int, input().split())
+K = list(map(int, input().split()));K.sort()
+trace = [([v], M, i) for i, v in reversed(list(enumerate(K)))]  # prev, depth, now
+
+while trace:
+    p, d, n = trace.pop()
+    if d == 1:
+        print(" ".join(map(str, p)))
+        continue
+    for i in range(N-1, n, -1):
+        trace.append((p + [K[i]], d-1, i))
+
+# 아마도 백트래킹일거임 아마도 그럼 ㅇㅇ