// URL: https://yukicoder.me/problems/no/1508 import std; version(unittest) {} else void main() { int N, Q; io.getV(N, Q); int[] A; io.getA(Q, A); --A[]; int[] B; io.getA(Q, B); --B[]; auto s = new Section!int[][](Q+1); s[0] ~= section(0, N); foreach (i, Ai, Bi; lockstep(A, B)) { if (Ai > Bi) swap(Ai, Bi); foreach (si; s[i]) { auto t = section(max(0, si.start-1), min(N, si.end+1)); auto avoidHit(Section!int t, int a) { if (t.include(a)) { if (t.length == 1) return section(-1, 0); if (a == t.start) { t = section(t.start+1, t.end); } else if (a == t.end-1) { t = section(t.start, t.end-1); } else { auto ta = section(t.start, a); if (!s[i+1].empty && mergeable(s[i+1].back, ta)) s[i+1][$-1] = merge(s[i+1][$-1], ta); else s[i+1] ~= ta; t = section(a+1, t.end); } } return t; } t = avoidHit(t, Ai); if (t.start == -1) continue; t = avoidHit(t, Bi); if (t.start == -1) continue; if (!s[i+1].empty && mergeable(s[i+1].back, t)) s[i+1][$-1] = merge(s[i+1][$-1], t); else s[i+1] ~= t; } } if (s[$-1].empty) { io.put("NO"); } else { auto r = new int[](Q+1), i = 0; for (; i < N; ++i) if (s[$-1].any!(si => si.include(i))) break; r[0] = i; foreach (j; 0..Q) { for (auto k = i-1; k <= i+1; ++k) if (s[$-j-2].any!(si => si.include(k))) { r[j+1] = i = k; break; } } io.put("YES"); foreach_reverse (ri; r) io.put(ri+1); } } struct Section(T) { T start, end; pure nothrow @nogc @safe { this(T start, T end) in { assert(start < end); } do { this.start = start; this.end = end; } auto length() { return end - start; } } } pure nothrow @nogc @safe { auto section(T)(T start, T end) in { assert(start < end); } do { return Section!T(start, end); } bool include(T)(Section!T a, T b) { return a.start <= b && b < a.end; } bool overlaped(T)(Section!T a, Section!T b) { return a.start < b.end && a.end > b.start; } bool mergeable(T)(Section!T a, Section!T b) { return overlaped(a, b) || a.start == b.end || a.end == b.start; } auto merge(T)(Section!T a, Section!T b) in { assert(mergeable(a, b)); } do { return section(min(a.start, b.start), max(a.end, b.end)); } } auto io = IO!()(); struct IO(alias IN = stdin, alias OUT = stdout) { import core.stdc.stdlib : exit; void getV(T...)(ref T v) { foreach (ref w; v) get(w); } void getA(T)(size_t n, ref T v) if (hasAssignableElements!T) { v = new T(n); foreach (ref w; v) get(w); } void getC(T...)(size_t n, ref T v) if (allSatisfy!(hasAssignableElements, T)) { foreach (ref w; v) w = new typeof(w)(n); foreach (i; 0..n) foreach (ref w; v) get(w[i]); } void getM(T)(size_t r, size_t c, ref T v) if (hasAssignableElements!T && hasAssignableElements!(ElementType!T)) { v = new T(r); foreach (ref w; v) getA(c, w); } template getS(E...) { void getS(T)(size_t n, ref T v) { v = new T(n); foreach (ref w; v) foreach (e; E) mixin("get(w."~e~");"); } } const struct PutConf { bool newline = true, flush, exit; string floatFormat = "%.10f", delimiter = " "; } void put(alias conf = "{}", T...)(T v) { putMain!conf(v); } void putB(alias conf = "{}", S, T)(bool c, S t, T f) { if (c) put!conf(t); else put!conf(f); } void putRaw(T...)(T v) { OUT.write(v); OUT.writeln; } private { dchar[] buf; auto sp = (new dchar[](0)).splitter; void nextLine() { IN.readln(buf); sp = buf.splitter; } void get(T)(ref T v) { if (sp.empty) nextLine(); v = sp.front.to!T; sp.popFront(); } void putMain(alias conf, T...)(T v) { mixin("const PutConf c = "~conf~";"); foreach (i, w; v) { putOne!conf(w); if (i+1 < v.length) OUT.write(c.delimiter); } static if (c.newline) OUT.writeln; static if (c.flush) OUT.flush(); static if (c.exit) exit(0); } void putOne(alias conf, T)(T v) { mixin("const PutConf c = "~conf~";"); static if (isInputRange!T && !isSomeString!T) putRange!conf(v); else static if (isFloatingPoint!T) OUT.write(format(c.floatFormat, v)); else static if (hasMember!(T, "fprint")) v.fprint(OUT); else OUT.write(v); } void putRange(alias conf, T)(T v) { mixin("const PutConf c = "~conf~";"); auto w = v; while (!w.empty) { putOne!conf(w.front); w.popFront(); if (!w.empty) OUT.write(c.delimiter); } } } }