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๐Ÿ‘1
def isDistinctRange(s, ranges):
for i in range(len(ranges)):
l, r = ranges[i]
s2 = []
for j in range(l-1, r):
if s[j] != '_':
s2.append(s[j])
if len(set(s2)) != len(s2):
return False
return True

def goodString(N, Q, S, arr, ranges):
s = list(S)
if isDistinctRange(s, ranges):
return 0
for i in range(len(arr)):
s[arr[i] - 1] = '_'
if isDistinctRange(s, ranges):
return i + 1

Good String (Amazon)
Python 3โœ