#include #include using namespace std; using namespace atcoder; #define REP(i,a,n) for(int i=(a); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it) #define ALLOF(c) (c).begin(), (c).end() typedef long long ll; typedef unsigned long long ull; //using mint = modint1000000007; //using mint = modint998244353; set> dame[100005]; bool sfind(set>& s, int x){ FOR(it,s){ if(it->first <= x && x <= it->second) return true; } return false; } vector solve(int N, const vector>& v){ int Q = v.size(); vector ret; dame[Q-1].insert(make_pair(v[Q-1].first,v[Q-1].first)); dame[Q-1].insert(make_pair(v[Q-1].second,v[Q-1].second)); for(int i=Q-2; i>=0; i--){ int a = v[i].first; int b = v[i].second; set tmp; tmp.insert(a); tmp.insert(b); FOR(it,dame[i+1]){ REP(j,-1,2){ int pos = it->first + j; if(1<=pos && pos<=N){ bool ok = false; REP(k,-1,2){ int npos = pos + k; if(1<=npos && npos<=N && !sfind(dame[i+1], npos)){ ok = true; break; } } if(!ok){ tmp.insert(pos); } } } REP(j,-1,2){ int pos = it->second + j; if(1<=pos && pos<=N){ bool ok = false; REP(k,-1,2){ int npos = pos + k; if(1<=npos && npos<=N && !sfind(dame[i+1], npos)){ ok = true; break; } } if(!ok){ tmp.insert(pos); } } } } int bgn = -1; int lst = -1; FOR(it,tmp){ if(lst+1 == *it){ lst++; }else{ if(bgn > 0) dame[i].insert(make_pair(bgn,lst)); bgn = *it; lst = *it; } } if(bgn > 0) dame[i].insert(make_pair(bgn,lst)); } REP(i,1,N+1){ if(!sfind(dame[0], i)){ int pos = i; ret.push_back(pos); rep(j,Q-1){ int nxt = pos; REP(k,-1,2){ int npos = pos + k; if(1<=npos && npos<=N && !sfind(dame[j+1], npos)){ nxt = npos; break; } } pos = nxt; ret.push_back(pos); } break; } } if(ret.size() > 0){ rep(i,Q){ int pos = ret[i]; if(pos == v[i].first || pos == v[i].second) return vector(); } } return ret; } int main(){ int N, Q; cin >> N >> Q; vector> v(Q); rep(i,Q) cin >> v[i].first; rep(i,Q) cin >> v[i].second; vector ret = solve(N, v); if(ret.size() > 0){ cout << "YES" << endl; cout << ret[0] << endl; rep(i,ret.size()) cout << ret[i] << endl; return 0; } cout << "NO" << endl; return 0; }