first commit

from old repository to a new repository

boj/10845.py

@@ -0,0 +1,32 @@
+from sys import stdin
+n=int(stdin.readline().rstrip())
+q=[]
+
+for _ in range(n):
+    s=stdin.readline().rstrip().split()
+
+    if len(s)==1:
+        if s[0]=='pop':
+            if len(q)==0:
+                print(-1)
+            else:
+                print(q.pop(0))
+        elif s[0]=='front':
+            if len(q)==0:
+                print(-1)
+            else:
+                print(q[0])
+        elif s[0]=='back':
+            if len(q)==0:
+                print(-1)
+            else:
+                print(q[-1])
+        elif s[0]=='size':
+            print(len(q))
+        else:
+            if len(q)==0:
+                print(1)
+            else:
+                print(0)
+    else:
+        q.append(int(s[1]))