create dev channel

2025-05-07 04:44:30 +09:00
parent 603fca2b20
commit 16a8e59450
426 changed files with 643 additions and 36 deletions
--- a/zeta/py/completed/2839.py
+++ b/zeta/py/completed/2839.py
@@ -0,0 +1,9 @@
+N = int(input())
+a = 0
+while (N%5+5*a)%3 != 0 :
+    a+=1
+
+if N//5-a < 0:
+    print(-1)
+else:
+    print((N%5+5*a)//3 + (N//5-a))