結果
問題 | No.1001 注文の多い順列 |
ユーザー | Chanyuh |
提出日時 | 2020-03-04 12:02:21 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 183 ms / 2,000 ms |
コード長 | 3,829 bytes |
コンパイル時間 | 1,626 ms |
コンパイル使用メモリ | 107,776 KB |
実行使用メモリ | 74,196 KB |
最終ジャッジ日時 | 2024-10-13 23:39:54 |
合計ジャッジ時間 | 4,464 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
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 | 21 ms
74,112 KB |
testcase_01 | AC | 20 ms
74,080 KB |
testcase_02 | AC | 19 ms
73,992 KB |
testcase_03 | AC | 19 ms
73,984 KB |
testcase_04 | AC | 19 ms
74,112 KB |
testcase_05 | AC | 20 ms
74,112 KB |
testcase_06 | AC | 21 ms
74,112 KB |
testcase_07 | AC | 20 ms
73,952 KB |
testcase_08 | AC | 20 ms
73,984 KB |
testcase_09 | AC | 19 ms
74,096 KB |
testcase_10 | AC | 21 ms
74,112 KB |
testcase_11 | AC | 19 ms
74,112 KB |
testcase_12 | AC | 18 ms
74,112 KB |
testcase_13 | AC | 19 ms
73,984 KB |
testcase_14 | AC | 19 ms
74,084 KB |
testcase_15 | AC | 20 ms
73,984 KB |
testcase_16 | AC | 19 ms
74,112 KB |
testcase_17 | AC | 20 ms
74,012 KB |
testcase_18 | AC | 151 ms
74,112 KB |
testcase_19 | AC | 144 ms
74,112 KB |
testcase_20 | AC | 94 ms
74,112 KB |
testcase_21 | AC | 85 ms
74,112 KB |
testcase_22 | AC | 183 ms
74,112 KB |
testcase_23 | AC | 181 ms
74,112 KB |
testcase_24 | AC | 181 ms
74,084 KB |
testcase_25 | AC | 177 ms
74,196 KB |
testcase_26 | AC | 21 ms
74,112 KB |
testcase_27 | AC | 29 ms
74,140 KB |
testcase_28 | AC | 41 ms
74,136 KB |
testcase_29 | AC | 43 ms
74,044 KB |
testcase_30 | AC | 49 ms
74,168 KB |
testcase_31 | AC | 60 ms
74,112 KB |
testcase_32 | AC | 21 ms
74,112 KB |
testcase_33 | AC | 20 ms
74,172 KB |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<tuple> using namespace std; typedef long long ll; typedef unsigned int ui; const ll mod = 1000000007; const ll INF = (ll)1000000007 * 1000000007; typedef pair<int, int> P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define Per(i,sta,n) for(int i=n-1;i>=sta;i--) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) typedef long double ld; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair<ll, ll> LP; template<int mod> struct ModInt { long long x; ModInt() : x(0) {} ModInt(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} explicit operator int() const {return x;} ModInt &operator+=(const ModInt &p) { if((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int)(1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const{ int a = x, b = mod, u = 1, v = 0, t; while(b > 0) { t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } ModInt power(long long p) const{ int a = x; if (p==0) return 1; if (p==1) return ModInt(a); if (p%2==1) return (ModInt(a)*ModInt(a)).power(p/2)*ModInt(a); else return (ModInt(a)*ModInt(a)).power(p/2); } ModInt power(const ModInt p) const{ return ((ModInt)x).power(p.x); } friend ostream &operator<<(ostream &os, const ModInt<mod> &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt<mod> &a) { long long x; is >> x; a = ModInt<mod>(x); return (is); } }; using modint = ModInt<mod>; int n; vector<int> x[2]; modint dp[3010][3010]; void solve(){ cin >> n; rep(i,n){ int t,s; cin >> t >> s; x[t].push_back(s-1); } sort(x[0].begin(),x[0].end()); sort(x[1].begin(),x[1].end()); int l=x[0].size(),m=x[1].size(); //cout << l << " " << m << endl; dp[0][0]=1; rep(i,l+1){ rep(j,m+1){ //cout << i << " " << j << " " << dp[i][j] << endl; if(i+1<=l){ int s=(x[0].end()-lower_bound(x[0].begin(),x[0].end(),i+j))-(l-i-1); //cout << s << endl; dp[i+1][j]+=(modint)max(s,0)*dp[i][j]; } if(j+1<=m){ int s=(upper_bound(x[1].begin(),x[1].end(),i+j)-x[1].begin())-j; //cout << s << endl; dp[i][j+1]+=(modint)max(s,0)*dp[i][j]; } } } cout << dp[l][m] << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(50); solve(); }