#pragma GCC optimize ("O3") #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i <= (b); i++) #define per(i, a, b) for (int i = (b); i >= (a); i--) #define SZ(x) ((int)x.size()) #define all(x) x.begin(), x.end() #define pb push_back #define mp make_pair #define mt make_tuple #define st first #define nd second using ll = long long; using vi = vector<int>; using pii = pair<int, int>; using pll = pair<ll, ll>; auto &operator<<(auto &o, pair<auto, auto> p) { return o << "(" << p.st << ", " << p.nd << ")"; } auto operator<<(auto &o, auto x)->decltype(end(x), o) { o << "{"; int i=0; for(auto e: x) o << ", " + 2*!i++ << e; return o << "}"; } #define deb(x...) cerr << "[" #x "]: ", [](auto...$) { ((cerr<<$<<"; "),...) << endl; }(x) const int nax = 6e5 + 5; int a[nax]; int b[nax]; int tmpa[nax]; int tmpb[nax]; int n, m; vector<int> divs[nax]; void prep(){ rep(i, 1, nax - 1){ for(int j=i;j<nax;j+=i) divs[j].pb(i); } } const int mod = 1e9 + 7; int ans[nax + nax]; void add(int id, ll co){ ans[id] += co % mod; ans[id] %= mod; } int need[nax]; vector<int> record[nax]; void go(){ rep(i, 1, n){ fill(need, need + nax, 0); rep(j, 0, n) record[j].clear(); int cur = 0; int last = 0; rep(j, i + 1, n){ int rel = (a[j] > a[j - 1]); if(!rel) rel = -1; if(rel != last) cur = 1; else cur++; last = rel; for(int d : divs[cur - 1]){ need[d] += 1; record[need[d]].pb(j); } } rep(len, 1, m){ if(i + len > n) break; int ways = m + 1 - len; int lastNotDone = i + len; int ptr = 1; rep(j, 0, SZ(record[len + 1]) - 1){ int from = i + len; if(j > 0) from = record[len + 1][j - 1]; int to = record[len + 1][j] - 1; if(to >= from){ add(ptr, 1LL * ways * (to - from + 1)); } lastNotDone = record[len + 1][j]; ptr += 1; } if(lastNotDone <= n){ add(ptr, 1LL * ways * (n - lastNotDone + 1)); } } } } void solve(){ prep(); cin >> n >> m; rep(i, 1, n) cin >> a[i]; rep(i, 1, m) cin >> b[i]; rep(len, 1, min(n, m)){ int w1 = (n - len + 1); int w2 = (m - len + 1); add(1, 1LL * w1 * w2); } go(); rep(i, 1, n) tmpb[i] = a[i]; rep(i, 1, m) tmpa[i] = b[i]; swap(n, m); rep(i, 1, n) a[i] = tmpa[i]; rep(i, 1, m) b[i] = tmpb[i]; go(); rep(i, 1, n + m) cout << ans[i - 1] << " "; cout << "\n"; } int main() { ios::sync_with_stdio(0); cin.tie(0); int tt = 1; // cin >> tt; rep(te, 1, tt) solve(); return 0; }
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 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | #pragma GCC optimize ("O3") #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i <= (b); i++) #define per(i, a, b) for (int i = (b); i >= (a); i--) #define SZ(x) ((int)x.size()) #define all(x) x.begin(), x.end() #define pb push_back #define mp make_pair #define mt make_tuple #define st first #define nd second using ll = long long; using vi = vector<int>; using pii = pair<int, int>; using pll = pair<ll, ll>; auto &operator<<(auto &o, pair<auto, auto> p) { return o << "(" << p.st << ", " << p.nd << ")"; } auto operator<<(auto &o, auto x)->decltype(end(x), o) { o << "{"; int i=0; for(auto e: x) o << ", " + 2*!i++ << e; return o << "}"; } #define deb(x...) cerr << "[" #x "]: ", [](auto...$) { ((cerr<<$<<"; "),...) << endl; }(x) const int nax = 6e5 + 5; int a[nax]; int b[nax]; int tmpa[nax]; int tmpb[nax]; int n, m; vector<int> divs[nax]; void prep(){ rep(i, 1, nax - 1){ for(int j=i;j<nax;j+=i) divs[j].pb(i); } } const int mod = 1e9 + 7; int ans[nax + nax]; void add(int id, ll co){ ans[id] += co % mod; ans[id] %= mod; } int need[nax]; vector<int> record[nax]; void go(){ rep(i, 1, n){ fill(need, need + nax, 0); rep(j, 0, n) record[j].clear(); int cur = 0; int last = 0; rep(j, i + 1, n){ int rel = (a[j] > a[j - 1]); if(!rel) rel = -1; if(rel != last) cur = 1; else cur++; last = rel; for(int d : divs[cur - 1]){ need[d] += 1; record[need[d]].pb(j); } } rep(len, 1, m){ if(i + len > n) break; int ways = m + 1 - len; int lastNotDone = i + len; int ptr = 1; rep(j, 0, SZ(record[len + 1]) - 1){ int from = i + len; if(j > 0) from = record[len + 1][j - 1]; int to = record[len + 1][j] - 1; if(to >= from){ add(ptr, 1LL * ways * (to - from + 1)); } lastNotDone = record[len + 1][j]; ptr += 1; } if(lastNotDone <= n){ add(ptr, 1LL * ways * (n - lastNotDone + 1)); } } } } void solve(){ prep(); cin >> n >> m; rep(i, 1, n) cin >> a[i]; rep(i, 1, m) cin >> b[i]; rep(len, 1, min(n, m)){ int w1 = (n - len + 1); int w2 = (m - len + 1); add(1, 1LL * w1 * w2); } go(); rep(i, 1, n) tmpb[i] = a[i]; rep(i, 1, m) tmpa[i] = b[i]; swap(n, m); rep(i, 1, n) a[i] = tmpa[i]; rep(i, 1, m) b[i] = tmpb[i]; go(); rep(i, 1, n + m) cout << ans[i - 1] << " "; cout << "\n"; } int main() { ios::sync_with_stdio(0); cin.tie(0); int tt = 1; // cin >> tt; rep(te, 1, tt) solve(); return 0; } |