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15 lines
219 B
C++
15 lines
219 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int t;
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set<int> s;
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for (int i = 0; i < 10; i++) {
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cin >> t;
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s.insert(t % 42);
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}
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cout << s.size() << endl;
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return 0;
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}
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