Chef Loves Beautiful Strings (Easy Version) | CodeChef Starters 149 | ZXC | Explanation Hindi

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Hey this video is a part of upsolving session of Codechef Starters 149 (Div 2). Hope you would understand the problem and the approach for it. If you still have any doubts, feel free to put it into the comment box. Looking forward to see you in the next one !!!

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Комментарии
Автор

Great explanation 👍🏻
Can you do the optimal flip (starters 132) question please

snehayadav
Автор

101011 : 4
110101101: 27

Python Soln (with sum to n formula):

def soln():
n = int(input())
s = input()
score = 0
for i in range(n-1):
if s[i] != s[i+1]:
score += 1
res = score * (n - 1 - score)
res += (score)*(score-1)//2
return res

for tc in range(int(input())):
ans = soln()
print(ans)

bhai aapke kitne solve houe, kaya aap bata sakte hai?

rajkumardongre