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leetcode solutions
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license-key-formatting.cpp
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license-key-formatting.scala
amitbansal7/leetcode
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//Runtime: 12 ms
class Solution {
public:
string licenseKeyFormatting(string S, int K) {
string s = "";
for (char c : S) {
if (c != '-') {
s += toupper(c);
}
}
if (s.size() == 0)
return "";
string res = s.substr(0, s.size() % K);
s = s.substr(s.size() % K);
for (int i = 0; i < s.size(); i++) {
if (res.size() > 0 && i % K == 0) {
res += '-';
}
res.push_back(s[i]);
}
return res;
}
};About
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