42 lines
947 B
C++
42 lines
947 B
C++
#include <iostream>
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#include <vector>
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#include <algorithm>
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using namespace std;
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int main()
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{
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int k , m , data , c, t;
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while(cin >> k && k && cin >> m)
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{
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vector<int> course;
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bool pass = true;
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while(k --)
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{
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cin >> data;
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course.push_back(data);
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}
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while(m --)
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{
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cin >> c >> t;
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if(pass)
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{
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int cnt = 0;
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while(c--)
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{
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cin >> data;
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if(find(course.begin() , course.end() , data) != course.end())
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{++cnt;}
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}
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if(cnt < t)
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{pass = false;}
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}
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else
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{
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while(c --)
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{cin >> data;}
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}
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}
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cout << (pass ? "yes" : "no") << endl;
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}
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return 0;
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}
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