#include using namespace std; /*/ #include using namespace atcoder; //*/ #define rep(i,n) for(int i=0;i; using ll = long long; using ull = unsigned long long; //*/ template inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } typedef pair pii; typedef pair pll; typedef vector vll; typedef vector vint; void solve(){ int n,m; cin >> n >> m; rep(i,1<> t; rep(_,t) solve(); }