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- #include <iostream>
- #include <vector>
- #include <map>
- #include <set>
- #include <algorithm>
- #include <pair>
- #include <string>
- using namespace std;
- typedef vector<int> vi;
- typedef vector<vi> vvi;
- typedef pair<int,int> ii;
- #define sz(a) int((a).size())
- #define pb push_back
- #defile all(c) (c).begin(),(c).end()
- #define tr(c,i) for(auto i = (c).begin(); i != (c).end(); i++)
- #define present(c,x) ((c).find(x) != (c).end())
- #define cpresent(c,x) (find(all(c),x) != (c).end())
- int main() {
- return 0;
- }
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