change to 15min

src/about.py

@@ -48,6 +48,7 @@ Your predictions are evaluated on:
 - A submission is accepted only if it improves your accuracy or F1 score
 - The leaderboard is sorted by best F1 score (primary metric)
 - If F1 score is tied, earlier submission date is used as a tiebreaker
+- **Rate Limit**: You can submit once every 15 minutes
 
 ## 🏆 Prize Distribution & Evaluation Criteria
 
@@ -61,7 +62,8 @@ The final rankings will be determined at the end of the hackathon based on each
 
 ## Important Notes
 - True labels are kept private and not accessible to participants
-- You can submit multiple times - only your best scores count
+- You can submit once every **15 minutes** - plan your submissions carefully
+- Only your best scores count on the leaderboard
 - Make sure your CSV file format is correct before submitting
 - **All IDs from the test set must be present in your submission**
 """
@@ -87,6 +89,7 @@ Accepted formats for labels:
 - Scores are computed using accuracy, F1 score, precision, and recall
 - Only submissions that improve your best accuracy or F1 score are accepted
 - Rejected submissions are logged but don't update the leaderboard
+- **Rate Limit**: Teams can submit once every 15 minutes
 
 ## 🏆 Prize Distribution & Evaluation Criteria
 

src/submission/submit_csv.py

@@ -115,9 +115,14 @@ def check_rate_limit(team_name: str) -> tuple[bool, str]:
         now = datetime.now(timezone.utc)
         time_diff = now - last_time
 
-        if time_diff < timedelta(minutes=1):
-            remaining = 60 - time_diff.total_seconds()
-            return False, f"Rate limit exceeded. Please wait {int(remaining)} seconds before submitting again."
+        if time_diff < timedelta(minutes=15):
+            remaining_seconds = (timedelta(minutes=15) - time_diff).total_seconds()
+            remaining_minutes = int(remaining_seconds // 60)
+            remaining_secs = int(remaining_seconds % 60)
+            return (
+                False,
+                f"Rate limit exceeded. Please wait {remaining_minutes} minutes and {remaining_secs} seconds before submitting again.",
+            )
 
         return True, ""
     except Exception: