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28 easy.cpp
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28 easy.cpp
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#include <bits/stdc++.h>
using namespace std;
string ltrim(const string &);
string rtrim(const string &);
/*
* Complete the 'appendAndDelete' function below.
*
* The function is expected to return a STRING.
* The function accepts following parameters:
* 1. STRING s
* 2. STRING t
* 3. INTEGER k
*/
string appendAndDelete(string s, string t, int k) {
if (s == t) return "Yes";
int i = 0;
while (i < s.size() && i < t.size() && s[i] == t[i]) {
i++;
}
int toDelete = s.size() - i;
int toAppend = t.size() - i;
int kRequired = toDelete + toAppend;
if (k >= s.size() + t.size() || (k - kRequired >= 0 && (k - kRequired) % 2 == 0)) return "Yes";
else return "No";
}
int main()
{
ofstream fout(getenv("OUTPUT_PATH"));
string s;
getline(cin, s);
string t;
getline(cin, t);
string k_temp;
getline(cin, k_temp);
int k = stoi(ltrim(rtrim(k_temp)));
string result = appendAndDelete(s, t, k);
fout << result << "\n";
fout.close();
return 0;
}
string ltrim(const string &str) {
string s(str);
s.erase(
s.begin(),
find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
);
return s;
}
string rtrim(const string &str) {
string s(str);
s.erase(
find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
s.end()
);
return s;
}