// clang-format off #include<bits/stdc++.h> using namespace std; using LL=long long; #define FOR(i,l,r) for(auto i=(l);i<=(r);++i) #define REP(i,n) FOR(i,0,(n)-1) #define ssize(x) int(x.size()) template<class A,class B>auto&operator<<(ostream&o,pair<A,B>p){return o<<"("<<p.first<<", "<<p.second<<")";} template<class T>auto operator<<(ostream&o,T x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<(", ")+2*!i++<<e;return o<<"}";} #ifdef DEBUG #define debug(x...) cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...);}(x),cerr<<'\n' #else #define debug(...) {} #endif // clang-format on // Global variables int nA, nB; vector<int> A, B; using it_t = decltype(A)::iterator; int f(array<it_t, 2> begin, array<it_t, 2> end); int main() { cin.tie(0)->sync_with_stdio(0); cin >> nA >> nB; A.resize(nA); B.resize(nB); for (auto& x : A) cin >> x; for (auto& x : B) cin >> x; const int MOD = 1000000007; vector<int> ans(nA + nB); FOR (a_begin, A.begin(), A.end() - 1) { FOR (a_end, a_begin + 1, A.end()) { FOR (b_begin, B.begin(), B.end() - 1) { FOR (b_end, b_begin + 1, B.end()) { int x = f({a_begin, b_begin}, {a_end, b_end}) - 1; if (++ans[x] == MOD) ans[x] = 0; } } } } // Output for (const auto& x : ans) cout << x << " "; cout << "\n"; return 0; } int f(array<it_t, 2> begin, array<it_t, 2> end) { int n[2] = {static_cast<int>(end[0] - begin[0]), static_cast<int>(end[1] - begin[1])}; int best = n[0] + n[1]; vector<int> perm(n[0] + n[1], 1); REP (i, n[0]) perm[i] = 0; do { int max_run = 1; bool up = false; auto it = begin; int last = *(it[perm[0]]++), run = 1; FOR (i, 1, ssize(perm) - 1) { const int& v = *(it[perm[i]]++); if ((v > last) == up) ++run; else run = 2, up = !up; last = v; if (run > max_run) { max_run = run; if (max_run > best) break; } } best = min(best, max_run); } while (next_permutation(perm.begin(), perm.end())); debug(best, vector<int>(begin[0], end[0]), vector<int>(begin[1], end[1])); return best; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | // clang-format off #include<bits/stdc++.h> using namespace std; using LL=long long; #define FOR(i,l,r) for(auto i=(l);i<=(r);++i) #define REP(i,n) FOR(i,0,(n)-1) #define ssize(x) int(x.size()) template<class A,class B>auto&operator<<(ostream&o,pair<A,B>p){return o<<"("<<p.first<<", "<<p.second<<")";} template<class T>auto operator<<(ostream&o,T x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<(", ")+2*!i++<<e;return o<<"}";} #ifdef DEBUG #define debug(x...) cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...);}(x),cerr<<'\n' #else #define debug(...) {} #endif // clang-format on // Global variables int nA, nB; vector<int> A, B; using it_t = decltype(A)::iterator; int f(array<it_t, 2> begin, array<it_t, 2> end); int main() { cin.tie(0)->sync_with_stdio(0); cin >> nA >> nB; A.resize(nA); B.resize(nB); for (auto& x : A) cin >> x; for (auto& x : B) cin >> x; const int MOD = 1000000007; vector<int> ans(nA + nB); FOR (a_begin, A.begin(), A.end() - 1) { FOR (a_end, a_begin + 1, A.end()) { FOR (b_begin, B.begin(), B.end() - 1) { FOR (b_end, b_begin + 1, B.end()) { int x = f({a_begin, b_begin}, {a_end, b_end}) - 1; if (++ans[x] == MOD) ans[x] = 0; } } } } // Output for (const auto& x : ans) cout << x << " "; cout << "\n"; return 0; } int f(array<it_t, 2> begin, array<it_t, 2> end) { int n[2] = {static_cast<int>(end[0] - begin[0]), static_cast<int>(end[1] - begin[1])}; int best = n[0] + n[1]; vector<int> perm(n[0] + n[1], 1); REP (i, n[0]) perm[i] = 0; do { int max_run = 1; bool up = false; auto it = begin; int last = *(it[perm[0]]++), run = 1; FOR (i, 1, ssize(perm) - 1) { const int& v = *(it[perm[i]]++); if ((v > last) == up) ++run; else run = 2, up = !up; last = v; if (run > max_run) { max_run = run; if (max_run > best) break; } } best = min(best, max_run); } while (next_permutation(perm.begin(), perm.end())); debug(best, vector<int>(begin[0], end[0]), vector<int>(begin[1], end[1])); return best; } |