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

storage/zeta/py/completed/14940.py

@@ -0,0 +1,36 @@
+def solve(N, M, X, dest):
+    delta = ((-1, 0), (1, 0), (0, 1), (0, -1))
+    D = []
+    # X = [[-1] * M for _ in range(N)]
+
+    D.append((dest, 0))
+    while D:
+        now, cost = D.pop(0)
+        if X[now[0]][now[1]] == -1:
+            X[now[0]][now[1]] = cost
+
+        else:
+            continue
+
+        for dx, dy in delta:
+            new = now[0] + dx, now[1] + dy
+            if 0 <= new[0] < N and 0 <= new[1] < M:
+                D.append((new, cost + 1))
+    return X
+
+
+if __name__ == '__main__':
+    N, M = map(int, input().split())
+    U = []
+    X = [[-1] * M for _ in range(N)]
+    dest: tuple
+    for i in range(N):
+        temp = list(map(int, input().split()))
+        for j, v in enumerate(temp):
+            if v == 0:
+                X[i][j] = 0
+            elif v == 2:
+                dest = (i, j)
+
+    for i in solve(N, M, X, dest):
+        print(*i)