#pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx,avx2") #include #define INF 1000000001LL #define LNF 1000000000000000001LL #define MOD 1000000007LL #define MAX 200000 #define long long long #define all(x) x.begin(),x.end() using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n,m; cin >> n >> m; vector arr(n); for(int i = 0; i q; for(int i = 0; i> x; q.push_back(x); swap(arr[x],arr[x-1]); } vector dp(n); reverse(all(q)); for(int i = 0; i