campusCup

Author: Nursultan Amir

codesignal/02-dropbox-campusCup.py

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+import collections
+def campusCup(emails):
+    d = collections.defaultdict(int)
+    for em in emails:
+        d[em.split('@')[1]] += 20
+    
+    
+    for em, pts in d.items():
+        pts //= 100
+        if pts == 4: pts = 3
+        if pts > 5: pts = 5
+        d[em] = -pts
+        
+    att_sorted = sorted([[pts, em] for em, pts in d.items()])
+    return [em for pts, em in att_sorted]