864B - Polycarp and Letters - CodeForces Solution

brute force implementation strings *1000

Please click on ads to support us..

Python Code: 

n = int(input())
s = input()

res = 0
a = set()
for c in s:
    if 'A' <= c <= 'Z':
        res = max(res, len(a))
        a.clear()
    else:
        a.add(c)

res = max(len(a), res)

print(res)


Comments

Submit
0 Comments
More Questions

768A - Oath of the Night's Watch
156C - Cipher
545D - Queue
459B - Pashmak and Flowers
1538A - Stone Game
1454C - Sequence Transformation
165B - Burning Midnight Oil
17A - Noldbach problem
1350A - Orac and Factors
1373A - Donut Shops
26A - Almost Prime
1656E - Equal Tree Sums
1656B - Subtract Operation
1656A - Good Pairs
1367A - Short Substrings
87A - Trains
664A - Complicated GCD
1635D - Infinite Set
1462A - Favorite Sequence
1445B - Elimination
1656C - Make Equal With Mod
567A - Lineland Mail
1553A - Digits Sum
1359B - New Theatre Square
766A - Mahmoud and Longest Uncommon Subsequence
701B - Cells Not Under Attack
702A - Maximum Increase
1656D - K-good
1426A - Floor Number
876A - Trip For Meal