結果
問題 | No.1001 注文の多い順列 |
ユーザー | ミドリムシ |
提出日時 | 2020-02-28 21:55:11 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 177 ms / 2,000 ms |
コード長 | 3,253 bytes |
コンパイル時間 | 1,787 ms |
コンパイル使用メモリ | 176,176 KB |
実行使用メモリ | 91,008 KB |
最終ジャッジ日時 | 2024-10-13 17:20:26 |
合計ジャッジ時間 | 5,459 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 50 ms
90,624 KB |
testcase_01 | AC | 51 ms
90,560 KB |
testcase_02 | AC | 51 ms
90,624 KB |
testcase_03 | AC | 51 ms
90,540 KB |
testcase_04 | AC | 51 ms
90,624 KB |
testcase_05 | AC | 50 ms
90,588 KB |
testcase_06 | AC | 52 ms
90,580 KB |
testcase_07 | AC | 50 ms
90,624 KB |
testcase_08 | AC | 49 ms
90,604 KB |
testcase_09 | AC | 50 ms
90,624 KB |
testcase_10 | AC | 51 ms
90,404 KB |
testcase_11 | AC | 49 ms
90,516 KB |
testcase_12 | AC | 50 ms
90,624 KB |
testcase_13 | AC | 50 ms
90,624 KB |
testcase_14 | AC | 50 ms
90,496 KB |
testcase_15 | AC | 50 ms
90,624 KB |
testcase_16 | AC | 51 ms
90,624 KB |
testcase_17 | AC | 49 ms
90,644 KB |
testcase_18 | AC | 97 ms
90,880 KB |
testcase_19 | AC | 94 ms
90,880 KB |
testcase_20 | AC | 76 ms
90,844 KB |
testcase_21 | AC | 74 ms
90,752 KB |
testcase_22 | AC | 108 ms
90,880 KB |
testcase_23 | AC | 109 ms
90,852 KB |
testcase_24 | AC | 106 ms
91,008 KB |
testcase_25 | AC | 104 ms
90,972 KB |
testcase_26 | AC | 170 ms
90,880 KB |
testcase_27 | AC | 169 ms
90,880 KB |
testcase_28 | AC | 164 ms
90,916 KB |
testcase_29 | AC | 61 ms
90,880 KB |
testcase_30 | AC | 63 ms
90,760 KB |
testcase_31 | AC | 67 ms
90,860 KB |
testcase_32 | AC | 51 ms
90,880 KB |
testcase_33 | AC | 177 ms
90,880 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using lint = long long; const lint mod = 1e9 + 7; #define all(x) (x).begin(), (x).end() #define bitcount(n) __builtin_popcountl((lint)(n)) #define fcout cout << fixed << setprecision(15) #define highest(x) (63 - __builtin_clzl(x)) template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; } template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } template<class T = string, class U = char>int character_count(T text, U character){ int ans = 0; for(U i: text){ ans += (i == character); } return ans; } lint power(lint base, lint exponent, lint module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ lint root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }} struct position{ int y, x; }; position mv[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); } template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); } string to_string(string x){ return x; } template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++) ans += to_string(*i) + " "; if(!ans.empty()) ans.pop_back(); cout << ans << endl; } template<class itr> void cins(itr first, itr last){ for(auto i = first; i != last; i++){ cin >> (*i); } } template<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; } struct combination{ vector<lint> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } lint C(int p, int q) const{ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } }; template<class itr> bool next_sequence(itr first, itr last, int max_bound){ itr now = last; while(now != first){ now--; (*now)++; if((*now) == max_bound){ (*now) = 0; }else{ return true; } } return false; } combination table(1e6); int N; vector<pair<lint, int>> tX; lint dp[3030][3030]; lint permutation(int now, int cnt){ if(now == N){ return table.fact[N - cnt]; }else if(dp[now][cnt] != -1){ return dp[now][cnt]; } if(!tX[now].second){ return dp[now][cnt] = permutation(now + 1, cnt + 1) * (tX[now].first - cnt) % mod; } lint ans = permutation(now + 1, cnt); lint subtract = permutation(now + 1, cnt + 1) * (tX[now].first - cnt) % mod; return dp[now][cnt] = (ans - subtract + mod) % mod; } int main(){ cin >> N; for(int i = 0; i < N; i++){ int t; lint X; cin >> t >> X; if(t){ X--; } tX.push_back({X, t}); } sort(all(tX)); //array_output(all(tX)); memset(dp, -1, sizeof(dp)); cout << permutation(0, 0) << endl; }