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16 lines
230 B
C++
16 lines
230 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int ans;
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string s;
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int main() {
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cin >> s;
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sort(s.begin(), s.end());
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do ans++;
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while (next_permutation(s.begin(), s.end()));
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cout << ans << endl;
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return 0;
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}
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