23 lines
412 B
C++
23 lines
412 B
C++
#include <bitset>
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#include <cstdint>
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#include <iostream>
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using ll = int64_t;
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constexpr ll maxn = 3e4;
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ll n,m,q;
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std::bitset<maxn+5> bs[maxn+5];
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std::bitset<maxn+1> none;
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int main(){
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std::cin>>n>>m>>q;
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for(ll i=1;i<=n;i++){
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static ll num;
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std::cin>>num;
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for(ll j=1;j<=num;j++){
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static ll tmp;
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std::cin>>tmp;
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bs[i][tmp]=true;
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}
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}
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} |