34 lines
809 B
C++
34 lines
809 B
C++
#include <bits/stdc++.h>
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using namespace std;
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map<string, int> cnt;
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vector<string> words;
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//将单词s进行“标准化”
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string repr(const string &s) {
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string ans = s;
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for (int i = 0; i < ans.length(); i++)
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ans[i] = tolower(ans[i]);
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sort(ans.begin(), ans.end());
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return ans;
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}
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int main() {
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int n = 0;
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string s;
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while (cin >> s) {
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if (s[0] == '#') break;
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words.push_back(s);
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string r = repr(s);
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if (!cnt.count(r)) cnt[r] = 0;
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cnt[r]++;
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}
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vector<string> ans;
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for (int i = 0; i < words.size(); i++)
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if (cnt[repr(words[i])] == 1) ans.push_back(words[i]);
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sort(ans.begin(), ans.end());
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for (int i = 0; i < ans.size(); i++)
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cout << ans[i] << "\n";
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return 0;
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} |