15 lines
224 B
C++
15 lines
224 B
C++
#include <iostream>
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#include <unordered_set>
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using namespace std;
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int main() {
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unordered_set<string> a;
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int n;
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cin >> n;
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string x;
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for(int i = 0; i < n; i++){
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cin >> x;
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a.emplace(x);
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}
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cout << a.size() << endl;
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}
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