#include using namespace std; using ll = long long; #include using namespace atcoder; using mint = modint998244353; void solve() { int N,M; cin>>N>>M; if(M==0){ while(N--){ cout< A(N),AN(N+2,0); for(int i=0;i>A[i]; vector cnt(2e5+1,0); set OK; deque D; int R=0; for(int i=0;i>T; // while(T--) solve(); }