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- #include <bits/stdc++.h>
- using namespace std;
- #define Gene template< class
- #define Rics printer& operator,
- Gene c> struct rge{c b, e;};
- Gene c> rge<c> range(c i, c j){ return {i, j};}
- struct printer{
- ~printer(){cerr<<endl;}
- Gene c >Rics(c x){ cerr<<boolalpha<<x; return *this;}
- Rics(string x){cerr<<x;return *this;}
- Gene c, class d >Rics(pair<c, d> x){ return *this,"(",x.first,", ",x.second,")";}
- Gene ... d, Gene ...> class c >Rics(c<d...> x){ return *this, range(begin(x), end(x));}
- Gene c >Rics(rge<c> x){
- *this,"["; for(auto it = x.b; it != x.e; ++it)
- *this,(it==x.b?"":", "),*it; return *this,"]";}
- };
- #define debug() cerr<<"LINE "<<__LINE__<<" >> ", printer()
- #define dbg(x) "[",#x,": ",(x),"] "
- mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
- int my_rand(int l, int r) {
- return uniform_int_distribution<int>(l, r) (rng);
- }
- int main() {
- // freopen("in.txt", "r", stdin);
- ios::sync_with_stdio(0);
- cin.tie(0);
- int n = my_rand(1, 8);
- cout << n << endl;
- for(int i = 0; i < n; i++) {
- cout << my_rand(1, 20) << " ";
- }
- cout << endl;
- return 0;
- }
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