/** * date : 2023-05-28 14:03:26 * author : Nyaan */ #define NDEBUG using namespace std; // intrinstic #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // utility namespace Nyaan { using ll = long long; using i64 = long long; using u64 = unsigned long long; using i128 = __int128_t; using u128 = __uint128_t; template using V = vector; template using VV = vector>; using vi = vector; using vl = vector; using vd = V; using vs = V; using vvi = vector>; using vvl = vector>; template struct P : pair { template P(Args... args) : pair(args...) {} using pair::first; using pair::second; P &operator+=(const P &r) { first += r.first; second += r.second; return *this; } P &operator-=(const P &r) { first -= r.first; second -= r.second; return *this; } P &operator*=(const P &r) { first *= r.first; second *= r.second; return *this; } template P &operator*=(const S &r) { first *= r, second *= r; return *this; } P operator+(const P &r) const { return P(*this) += r; } P operator-(const P &r) const { return P(*this) -= r; } P operator*(const P &r) const { return P(*this) *= r; } template P operator*(const S &r) const { return P(*this) *= r; } P operator-() const { return P{-first, -second}; } }; using pl = P; using pi = P; using vp = V; constexpr int inf = 1001001001; constexpr long long infLL = 4004004004004004004LL; template int sz(const T &t) { return t.size(); } template inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template inline T Max(const vector &v) { return *max_element(begin(v), end(v)); } template inline T Min(const vector &v) { return *min_element(begin(v), end(v)); } template inline long long Sum(const vector &v) { return accumulate(begin(v), end(v), 0LL); } template int lb(const vector &v, const T &a) { return lower_bound(begin(v), end(v), a) - begin(v); } template int ub(const vector &v, const T &a) { return upper_bound(begin(v), end(v), a) - begin(v); } constexpr long long TEN(int n) { long long ret = 1, x = 10; for (; n; x *= x, n >>= 1) ret *= (n & 1 ? x : 1); return ret; } template pair mkp(const T &t, const U &u) { return make_pair(t, u); } template vector mkrui(const vector &v, bool rev = false) { vector ret(v.size() + 1); if (rev) { for (int i = int(v.size()) - 1; i >= 0; i--) ret[i] = v[i] + ret[i + 1]; } else { for (int i = 0; i < int(v.size()); i++) ret[i + 1] = ret[i] + v[i]; } return ret; }; template vector mkuni(const vector &v) { vector ret(v); sort(ret.begin(), ret.end()); ret.erase(unique(ret.begin(), ret.end()), ret.end()); return ret; } template vector mkord(int N,F f) { vector ord(N); iota(begin(ord), end(ord), 0); sort(begin(ord), end(ord), f); return ord; } template vector mkinv(vector &v) { int max_val = *max_element(begin(v), end(v)); vector inv(max_val + 1, -1); for (int i = 0; i < (int)v.size(); i++) inv[v[i]] = i; return inv; } vector mkiota(int n) { vector ret(n); iota(begin(ret), end(ret), 0); return ret; } template T mkrev(const T &v) { T w{v}; reverse(begin(w), end(w)); return w; } template bool nxp(vector &v) { return next_permutation(begin(v), end(v)); } template using minpq = priority_queue, greater>; } // namespace Nyaan // bit operation namespace Nyaan { __attribute__((target("popcnt"))) inline int popcnt(const u64 &a) { return _mm_popcnt_u64(a); } inline int lsb(const u64 &a) { return a ? __builtin_ctzll(a) : 64; } inline int ctz(const u64 &a) { return a ? __builtin_ctzll(a) : 64; } inline int msb(const u64 &a) { return a ? 63 - __builtin_clzll(a) : -1; } template inline int gbit(const T &a, int i) { return (a >> i) & 1; } template inline void sbit(T &a, int i, bool b) { if (gbit(a, i) != b) a ^= T(1) << i; } constexpr long long PW(int n) { return 1LL << n; } constexpr long long MSK(int n) { return (1LL << n) - 1; } } // namespace Nyaan // inout namespace Nyaan { template ostream &operator<<(ostream &os, const pair &p) { os << p.first << " " << p.second; return os; } template istream &operator>>(istream &is, pair &p) { is >> p.first >> p.second; return is; } template ostream &operator<<(ostream &os, const vector &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; } template istream &operator>>(istream &is, vector &v) { for (auto &x : v) is >> x; return is; } istream &operator>>(istream &is, __int128_t &x) { string S; is >> S; x = 0; int flag = 0; for (auto &c : S) { if (c == '-') { flag = true; continue; } x *= 10; x += c - '0'; } if (flag) x = -x; return is; } istream &operator>>(istream &is, __uint128_t &x) { string S; is >> S; x = 0; for (auto &c : S) { x *= 10; x += c - '0'; } return is; } ostream &operator<<(ostream &os, __int128_t x) { if (x == 0) return os << 0; if (x < 0) os << '-', x = -x; string S; while (x) S.push_back('0' + x % 10), x /= 10; reverse(begin(S), end(S)); return os << S; } ostream &operator<<(ostream &os, __uint128_t x) { if (x == 0) return os << 0; string S; while (x) S.push_back('0' + x % 10), x /= 10; reverse(begin(S), end(S)); return os << S; } void in() {} template void in(T &t, U &...u) { cin >> t; in(u...); } void out() { cout << "\n"; } template void out(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; out(u...); } struct IoSetupNya { IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(7); } } iosetupnya; } // namespace Nyaan // debug #ifdef NyaanDebug #define trc(...) (void(0)) #else #define trc(...) (void(0)) #endif #ifdef NyaanLocal #define trc2(...) (void(0)) #else #define trc2(...) (void(0)) #endif // macro #define each(x, v) for (auto&& x : v) #define each2(x, y, v) for (auto&& [x, y] : v) #define all(v) (v).begin(), (v).end() #define rep(i, N) for (long long i = 0; i < (long long)(N); i++) #define repr(i, N) for (long long i = (long long)(N)-1; i >= 0; i--) #define rep1(i, N) for (long long i = 1; i <= (long long)(N); i++) #define repr1(i, N) for (long long i = (N); (long long)(i) > 0; i--) #define reg(i, a, b) for (long long i = (a); i < (b); i++) #define regr(i, a, b) for (long long i = (b)-1; i >= (a); i--) #define fi first #define se second #define ini(...) \ int __VA_ARGS__; \ in(__VA_ARGS__) #define inl(...) \ long long __VA_ARGS__; \ in(__VA_ARGS__) #define ins(...) \ string __VA_ARGS__; \ in(__VA_ARGS__) #define in2(s, t) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i]); \ } #define in3(s, t, u) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i], u[i]); \ } #define in4(s, t, u, v) \ for (int i = 0; i < (int)s.size(); i++) { \ in(s[i], t[i], u[i], v[i]); \ } #define die(...) \ do { \ Nyaan::out(__VA_ARGS__); \ return; \ } while (0) namespace Nyaan { void solve(); } int main() { Nyaan::solve(); } // template struct LiChaoTree { struct Line { T slope, intercept; Line(T slope, T intercept) : slope(slope), intercept(intercept) {} inline T get(T x) const { return slope * x + intercept; } inline bool over(const Line &other, const T &x) const { return get(x) < other.get(x); } }; // remind セグ木は0-indexedの実装 vector xset; vector seg; int _size; // 引数xにはx座標の集合を入れる LiChaoTree(const vector &x) : xset(x) { sort(xset.begin(), xset.end()); xset.erase(unique(xset.begin(), xset.end()), xset.end()); _size = 1; while (_size < (int)xset.size()) _size <<= 1; while ((int)xset.size() < _size) xset.push_back(xset.back() + 1); seg.assign(2 * _size, Line(0, INF)); } // 以上 xset[max]以下であることを仮定 int get_more_idx(T k) { return lower_bound(xset.begin(), xset.end(), k) - xset.begin(); } // 以下 xset[0]以上であることを仮定 int get_less_idx(T k) { int ret = upper_bound(xset.begin(), xset.end(), k) - xset.begin(); return max(0, ret - 1); } // 内部用 void inner_update(T a, T b, int left, int right, int seg_idx) { Line line(a, b); while (1) { int mid = (left + right) >> 1; bool l_over = line.over(seg[seg_idx], xset[left]); bool r_over = line.over(seg[seg_idx], xset[right - 1]); if (l_over == r_over) { if (l_over) swap(seg[seg_idx], line); return; } bool m_over = line.over(seg[seg_idx], xset[mid]); if (m_over) swap(seg[seg_idx], line); if (l_over != m_over) seg_idx = (seg_idx << 1), right = mid; else seg_idx = (seg_idx << 1) | 1, left = mid; } } // 内部用 void inner_update(T a, T b, int seg_idx) { int left, right; int upper_bit = 31 - __builtin_clz(seg_idx); left = (_size >> upper_bit) * (seg_idx - (1 << upper_bit)); right = left + (_size >> upper_bit); inner_update(a, b, left, right, seg_idx); } // y = ax + bなる直線を追加 void update(T a, T b) { inner_update(a, b, 0, _size, 1); } // 閉区間x in [left , right]に線分y = ax + bを追加するクエリ void update_segment(T a, T b, T low, T high) { int left = get_more_idx(low) + _size; int right = get_less_idx(high) + _size + 1; for (; left < right; left >>= 1, right >>= 1) { if (left & 1) inner_update(a, b, left++); if (right & 1) inner_update(a, b, --right); } } T inner_query(int x, int segidx) { T ret = seg[segidx].get(x); while (segidx > 1) { segidx = segidx >> 1; ret = min(ret, seg[segidx].get(x)); } return ret; } // x = xset[k]なる点における最小値クエリ T query_idx(int k) { const T x = xset[k]; k += _size; return inner_query(x, k); } // xにおける最小クエリ T query(T x) { return query_idx(get_more_idx(x)); } }; namespace atcoder { namespace internal { std::vector sa_naive(const std::vector& s) { int n = int(s.size()); std::vector sa(n); std::iota(sa.begin(), sa.end(), 0); std::sort(sa.begin(), sa.end(), [&](int l, int r) { if (l == r) return false; while (l < n && r < n) { if (s[l] != s[r]) return s[l] < s[r]; l++; r++; } return l == n; }); return sa; } std::vector sa_doubling(const std::vector& s) { int n = int(s.size()); std::vector sa(n), rnk = s, tmp(n); std::iota(sa.begin(), sa.end(), 0); for (int k = 1; k < n; k *= 2) { auto cmp = [&](int x, int y) { if (rnk[x] != rnk[y]) return rnk[x] < rnk[y]; int rx = x + k < n ? rnk[x + k] : -1; int ry = y + k < n ? rnk[y + k] : -1; return rx < ry; }; std::sort(sa.begin(), sa.end(), cmp); tmp[sa[0]] = 0; for (int i = 1; i < n; i++) { tmp[sa[i]] = tmp[sa[i - 1]] + (cmp(sa[i - 1], sa[i]) ? 1 : 0); } std::swap(tmp, rnk); } return sa; } // SA-IS, linear-time suffix array construction // Reference: // G. Nong, S. Zhang, and W. H. Chan, // Two Efficient Algorithms for Linear Time Suffix Array Construction template std::vector sa_is(const std::vector& s, int upper) { int n = int(s.size()); if (n == 0) return {}; if (n == 1) return {0}; if (n == 2) { if (s[0] < s[1]) { return {0, 1}; } else { return {1, 0}; } } if (n < THRESHOLD_NAIVE) { return sa_naive(s); } if (n < THRESHOLD_DOUBLING) { return sa_doubling(s); } std::vector sa(n); std::vector ls(n); for (int i = n - 2; i >= 0; i--) { ls[i] = (s[i] == s[i + 1]) ? ls[i + 1] : (s[i] < s[i + 1]); } std::vector sum_l(upper + 1), sum_s(upper + 1); for (int i = 0; i < n; i++) { if (!ls[i]) { sum_s[s[i]]++; } else { sum_l[s[i] + 1]++; } } for (int i = 0; i <= upper; i++) { sum_s[i] += sum_l[i]; if (i < upper) sum_l[i + 1] += sum_s[i]; } auto induce = [&](const std::vector& lms) { std::fill(sa.begin(), sa.end(), -1); std::vector buf(upper + 1); std::copy(sum_s.begin(), sum_s.end(), buf.begin()); for (auto d : lms) { if (d == n) continue; sa[buf[s[d]]++] = d; } std::copy(sum_l.begin(), sum_l.end(), buf.begin()); sa[buf[s[n - 1]]++] = n - 1; for (int i = 0; i < n; i++) { int v = sa[i]; if (v >= 1 && !ls[v - 1]) { sa[buf[s[v - 1]]++] = v - 1; } } std::copy(sum_l.begin(), sum_l.end(), buf.begin()); for (int i = n - 1; i >= 0; i--) { int v = sa[i]; if (v >= 1 && ls[v - 1]) { sa[--buf[s[v - 1] + 1]] = v - 1; } } }; std::vector lms_map(n + 1, -1); int m = 0; for (int i = 1; i < n; i++) { if (!ls[i - 1] && ls[i]) { lms_map[i] = m++; } } std::vector lms; lms.reserve(m); for (int i = 1; i < n; i++) { if (!ls[i - 1] && ls[i]) { lms.push_back(i); } } induce(lms); if (m) { std::vector sorted_lms; sorted_lms.reserve(m); for (int v : sa) { if (lms_map[v] != -1) sorted_lms.push_back(v); } std::vector rec_s(m); int rec_upper = 0; rec_s[lms_map[sorted_lms[0]]] = 0; for (int i = 1; i < m; i++) { int l = sorted_lms[i - 1], r = sorted_lms[i]; int end_l = (lms_map[l] + 1 < m) ? lms[lms_map[l] + 1] : n; int end_r = (lms_map[r] + 1 < m) ? lms[lms_map[r] + 1] : n; bool same = true; if (end_l - l != end_r - r) { same = false; } else { while (l < end_l) { if (s[l] != s[r]) { break; } l++; r++; } if (l == n || s[l] != s[r]) same = false; } if (!same) rec_upper++; rec_s[lms_map[sorted_lms[i]]] = rec_upper; } auto rec_sa = sa_is(rec_s, rec_upper); for (int i = 0; i < m; i++) { sorted_lms[i] = lms[rec_sa[i]]; } induce(sorted_lms); } return sa; } } // namespace internal std::vector suffix_array(const std::vector& s, int upper) { assert(0 <= upper); for (int d : s) { assert(0 <= d && d <= upper); } auto sa = internal::sa_is(s, upper); return sa; } template std::vector suffix_array(const std::vector& s) { int n = int(s.size()); std::vector idx(n); iota(idx.begin(), idx.end(), 0); sort(idx.begin(), idx.end(), [&](int l, int r) { return s[l] < s[r]; }); std::vector s2(n); int now = 0; for (int i = 0; i < n; i++) { if (i && s[idx[i - 1]] != s[idx[i]]) now++; s2[idx[i]] = now; } return internal::sa_is(s2, now); } std::vector suffix_array(const std::string& s) { int n = int(s.size()); std::vector s2(n); for (int i = 0; i < n; i++) { s2[i] = s[i]; } return internal::sa_is(s2, 255); } // Reference: // T. Kasai, G. Lee, H. Arimura, S. Arikawa, and K. Park, // Linear-Time Longest-Common-Prefix Computation in Suffix Arrays and Its // Applications template std::vector lcp_array(const std::vector& s, const std::vector& sa) { int n = int(s.size()); assert(n >= 1); std::vector rnk(n); for (int i = 0; i < n; i++) { rnk[sa[i]] = i; } std::vector lcp(n - 1); int h = 0; for (int i = 0; i < n; i++) { if (h > 0) h--; if (rnk[i] == 0) continue; int j = sa[rnk[i] - 1]; for (; j + h < n && i + h < n; h++) { if (s[j + h] != s[i + h]) break; } lcp[rnk[i] - 1] = h; } return lcp; } std::vector lcp_array(const std::string& s, const std::vector& sa) { int n = int(s.size()); std::vector s2(n); for (int i = 0; i < n; i++) { s2[i] = s[i]; } return lcp_array(s2, sa); } // Reference: // D. Gusfield, // Algorithms on Strings, Trees, and Sequences: Computer Science and // Computational Biology template std::vector z_algorithm(const std::vector& s) { int n = int(s.size()); if (n == 0) return {}; std::vector z(n); z[0] = 0; for (int i = 1, j = 0; i < n; i++) { int& k = z[i]; k = (j + z[j] <= i) ? 0 : std::min(j + z[j] - i, z[i - j]); while (i + k < n && s[k] == s[i + k]) k++; if (j + z[j] < i + z[i]) j = i; } z[0] = n; return z; } std::vector z_algorithm(const std::string& s) { int n = int(s.size()); std::vector s2(n); for (int i = 0; i < n; i++) { s2[i] = s[i]; } return z_algorithm(s2); } } // namespace atcoder using namespace std; template struct SparseTable { inline static constexpr T INF = numeric_limits::max() / 2; int N; vector > table; T f(T a, T b) { return min(a, b); } SparseTable() {} SparseTable(const vector &v) : N(v.size()) { int b = 1; while ((1 << b) <= N) ++b; table.push_back(v); for (int i = 1; i < b; i++) { table.push_back(vector(N, INF)); for (int j = 0; j + (1 << i) <= N; j++) { table[i][j] = f(table[i - 1][j], table[i - 1][j + (1 << (i - 1))]); } } } // [l, r) T query(int l, int r) { assert(0 <= l and l <= r and r <= N); if (l == r) return INF; int b = 31 - __builtin_clz(r - l); return f(table[b][l], table[b][r - (1 << b)]); } }; /** * @brief Sparse Table */ template struct StringSearch { const Container& S; int N; vector sa, la, invsa; SparseTable sparse; StringSearch(const Container& _s) : S(_s), N(S.size()) { sa = atcoder::suffix_array(S); la = atcoder::lcp_array(S, sa); invsa.resize(N); for (int i = 0; i < N; i++) invsa[sa[i]] = i; sparse = SparseTable{la}; } // lcp(s[i, N), s[j, N)) int lcp(int i, int j) { assert(0 <= min(i, j) and max(i, j) < N); if (i == j) return N - i; int x = min(invsa[i], invsa[j]); int y = max(invsa[i], invsa[j]); return sparse.query(x, y); } // lcp(s[a, b), s[c, d)) int lcp(int a, int b, int c, int d) { assert(0 <= a and a <= b and b <= N); assert(0 <= c and c <= d and d <= N); int l = lcp(a, c); return min({l, b - a, d - c}); } // lcp(s[a, b), s[c, d)) template int lcp(pair p, pair q) { return lcp(p.first, p.second, q.first, q.second); } // s[i, N) > s[j, N) : 1 // s[i, N) = s[j, N) : 0 // s[i, N) < s[j, N) : -1 int strcmp(int i, int j) { assert(0 <= min(i, j) and max(i, j) < N); if (i == j) return 0; return invsa[i] < invsa[j] ? -1 : 1; } // s[a, b) > s[c, d) : 1 // s[a, b) = s[c, d) : 0 // s[a, b) < s[c, d) : -1 int strcmp(int a, int b, int c, int d) { int l = lcp(a, b, c, d); return a + l == b ? (c + l == d ? 0 : -1) : c + l == d ? 1 : S[a + l] < S[c + l] ? -1 : 1; } // s[a, b) > s[c, d) : 1 // s[a, b) = s[c, d) : 0 // s[a, b) < s[c, d) : -1 template int strcmp(pair p, pair q) { return strcmp(p.first, p.second, q.first, q.second); } }; using namespace Nyaan; void q() { inl(N, M); vl A(N), B(M), C(M); in(A, B, C); vl S = A; rep(i, M) S.push_back(B[i]); StringSearch ss{S}; vl xs; rep(i, M + 1) xs.push_back(i); LiChaoTree lct(xs); vl dp(M + 1, infLL); dp[0] = 0; rep(i, M) { if (dp[i] == infLL) continue; int lcp = ss.lcp(0, N + i); lct.update_segment(C[i], dp[i] - C[i] * i, i, i + lcp); dp[i + 1] = lct.query(i + 1); } trc(dp); ll ans = dp[M]; if (ans > TEN(15)) ans = -1; out(ans); } void Nyaan::solve() { int t = 1; // in(t); while (t--) q(); }