create dev channel

zeta/py/completed/1260.py

@@ -0,0 +1,45 @@
+def dfs(N, M, E, V):
+    D = []
+    D.append((V))
+    visited = []
+    while D:
+        now = D.pop()
+        if now in visited:
+            continue
+        else:
+            visited.append(now)
+        for i in E[now][::-1]:
+            D.append(i)
+
+    return visited
+
+
+def bfs(N, M, E, V):
+    D = []
+    D.append((V))
+    visited = []
+    while D:
+        now = D.pop(0)
+        if now in visited:
+            continue
+        else:
+            visited.append(now)
+        for i in E[now]:
+            D.append(i)
+
+    return visited
+
+
+if __name__ == '__main__':
+    N, M, V = map(int, input().split())
+    E = {}
+    for i in range(1, N + 1):
+        E[i] = []
+    for i in range(1, M + 1):
+        a, b = map(int, input().split())
+        E[a].append(b)
+        E[b].append(a)
+    for i in range(1, N + 1):
+        E[i].sort()
+    print(*dfs(N, M, E, V))
+    print(*bfs(N, M, E, V))