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Solutions Possible C++ Solution:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 #include <set>#include <cstdio>#include <vector>#include <iostream>#include <algorithm>using namespace std; int main() { int T; cin >> T; string s; while (T--) { cin >> s; if (s.size() % 2) { cout << -1 << endl; continue; } multiset<char> inters; const auto splitIt = begin(s)+(s.
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