結果
問題 | No.895 MESE |
ユーザー | hotman78 |
提出日時 | 2019-09-27 22:52:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 291 ms / 2,000 ms |
コード長 | 6,031 bytes |
コンパイル時間 | 2,684 ms |
コンパイル使用メモリ | 194,856 KB |
実行使用メモリ | 18,988 KB |
最終ジャッジ日時 | 2024-09-25 00:24:48 |
合計ジャッジ時間 | 10,354 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 176 ms
18,680 KB |
testcase_01 | AC | 174 ms
18,808 KB |
testcase_02 | AC | 175 ms
18,812 KB |
testcase_03 | AC | 177 ms
18,912 KB |
testcase_04 | AC | 176 ms
18,840 KB |
testcase_05 | AC | 173 ms
18,880 KB |
testcase_06 | AC | 171 ms
18,804 KB |
testcase_07 | AC | 167 ms
18,904 KB |
testcase_08 | AC | 174 ms
18,752 KB |
testcase_09 | AC | 172 ms
18,876 KB |
testcase_10 | AC | 171 ms
18,876 KB |
testcase_11 | AC | 177 ms
18,872 KB |
testcase_12 | AC | 170 ms
18,916 KB |
testcase_13 | AC | 241 ms
18,836 KB |
testcase_14 | AC | 224 ms
18,956 KB |
testcase_15 | AC | 258 ms
18,900 KB |
testcase_16 | AC | 250 ms
18,988 KB |
testcase_17 | AC | 214 ms
18,868 KB |
testcase_18 | AC | 284 ms
18,952 KB |
testcase_19 | AC | 286 ms
18,804 KB |
testcase_20 | AC | 284 ms
18,848 KB |
testcase_21 | AC | 283 ms
18,812 KB |
testcase_22 | AC | 285 ms
18,884 KB |
testcase_23 | AC | 281 ms
18,884 KB |
testcase_24 | AC | 290 ms
18,812 KB |
testcase_25 | AC | 291 ms
18,812 KB |
testcase_26 | AC | 287 ms
18,852 KB |
testcase_27 | AC | 287 ms
18,972 KB |
testcase_28 | AC | 286 ms
18,748 KB |
コンパイルメッセージ
main.cpp:62:19: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 62 | inline bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} | ^~~~ main.cpp:62:33: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 62 | inline bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} | ^~~~ main.cpp:63:19: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 63 | inline bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;} | ^~~~ main.cpp:63:33: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 63 | inline bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;} | ^~~~
ソースコード
#pragma GCC optimize("Ofast") #include<bits/stdc++.h> using namespace::std; struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init; // #include <boost/multiprecision/cpp_dec_float.hpp> // #include <boost/multiprecision/cpp_int.hpp> // #include <boost/numeric/interval.hpp> // #include <boost/numeric/interval/io.hpp> // #include <boost/intrusive/rbtree.hpp> // #include <boost/geometry.hpp> // #include <boost/geometry/geometries/linestring.hpp> // #include <boost/geometry/geometries/polygon.hpp> // #include <boost/geometry/geometries/point_xy.hpp> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // namespace mp = boost::multiprecision; // typedef mp::number<mp::cpp_dec_float<0>> cfloat; // typedef mp::cpp_int cint; typedef long long lint; typedef long long ll; typedef long double ldouble; typedef vector<lint> vec; typedef vector<vector<lint>> mat; typedef vector<vector<vector<lint>>> mat3; typedef vector<double> dvec; typedef vector<vector<double>> dmat; typedef vector<vector<vector<double>>> dmat3; typedef vector<string> svec; typedef vector<vector<string>> smat; typedef vector<vector<vector<string>>> smat3; typedef vector<pair<lint,lint>> pvec; typedef vector<vector<pair<lint,lint>>> pmat; typedef vector<vector<vector<pair<lint,lint>>>> pmat3; #define rep(i, n) for(lint i = 0; i < (lint)(n); i++) #define irep(i) for(lint i = 0;; i++) #define irep1(i) for(lint i = 1;; i++) #define irep2(i) for(lint i = 2;; i++) #define rrep(i, n) for(lint i = (lint)(n-1); i >-1; i--) #define rrepi(i,a,b) for(lint i = (lint)(b-1); i >a-1; i--) #define repi(i,a,b) for(lint i=lint(a);i<lint(b);i++) #define rep2(i,a,b,c) for(lint i=lint(a);i>lint(b);i+=c) #define all(x) (x).begin(),(x).end() #define PI 3.141592653589793 #define dist(x1,y1,x2,y2) (pow(pow(x2-x1,2)+pow(y2-y1,2),0.5)) #define output(v) do{bool f=0;for(auto i:v){cout<<(f?" ":"");if(i>INF/2)cout<<"INF";else cout<<i;f=1;}cout<<"\n";}while(0) #define output2(v) for(auto j:v)output(j); #define _output(v) do{bool f=0;rep(i,v.size()){cout<<(f?" ":"");if(v[i]>INF/2)cout<<"INF";else cout<<v[i];f=1;}cout<<"\n";}while(0) #define _output2(v) rep(j,v.size()){_output(v[j]);} #define input(a,n) lint n;cin>>n;vector<lint>a(n);rep(i,n)cin>>a[i]; #define SUM(v) accumulate(all(v),0LL) #define INF (1LL<<60) #define IINF (1<<30) #define EPS (1e-10) #define LINF 9223372036854775807 #define MOD 1000000007 #define endl "\n" template<typename T=lint>T in(){return *istream_iterator<T>(cin);} inline lint gcd(lint a,lint b){return b?gcd(b,a%b):a;} inline lint lcm(lint a,lint b){return a*b/gcd(a,b);} inline bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} inline bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;} vector<lint> dx={-1,1,0,0,1,1,-1,-1}; vector<lint> dy={0,0,-1,1,1,-1,1,-1}; class mint { using u64 = std::uint_fast64_t; public: u64 a; constexpr mint(const u64 x = 0) noexcept : a(x % MOD) {} constexpr u64 &value() noexcept { return a; } constexpr const u64 &value() const noexcept { return a; } constexpr mint operator+(const mint rhs) const noexcept { return mint(*this) += rhs; } constexpr mint operator-(const mint rhs) const noexcept { return mint(*this) -= rhs; } constexpr mint operator*(const mint rhs) const noexcept { return mint(*this) *= rhs; } constexpr mint operator/(const mint rhs) const noexcept { return mint(*this) /= rhs; } constexpr mint &operator+=(const mint rhs) noexcept { a += rhs.a; if (a >= MOD) { a -= MOD; } return *this; } constexpr mint &operator-=(const mint rhs) noexcept { if (a < rhs.a) { a += MOD; } a -= rhs.a; return *this; } constexpr mint &operator*=(const mint rhs) noexcept { a = a * rhs.a % MOD; return *this; } constexpr mint operator++(int n) const noexcept { return mint(*this) +=1; } constexpr mint operator--(int n) const noexcept { return mint(*this) -=1; } constexpr mint &operator/=(mint rhs) noexcept { u64 exp = MOD - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } }; ostream& operator<<(ostream& lhs, const mint& rhs) noexcept { lhs << rhs.a; return lhs; } istream& operator>>(istream& lhs, const mint& rhs) noexcept { lhs >> rhs.a; return lhs; } inline mint pow(mint m,lint n){ if(n==0)return 1; else if(n%2==0){ mint x=pow(m,n/2); return x*x; }else{ return m*pow(m,n-1); } } inline mint fact(lint a){ return a?fact(a-1)*a:1; } class Comb{ public: vector<lint> fac,ifac; Comb(){ fac.resize(1000001); ifac.resize(1000001); fac[0] = 1; ifac[0] = 1; rep(i,1000001){ fac[i+1] = fac[i]*(i+1) % MOD; ifac[i+1] = ifac[i]*mpow(i+1, MOD-2) % MOD; } } lint mpow(lint x, lint n){ lint ans = 1; while(n != 0){ if(n&1) ans = ans*x % MOD; x = x*x % MOD; n = n >> 1; } return ans; } lint comb(lint a, lint b){ if(a == 0 && b == 0)return 1; if(a < b || a < 0)return 0; lint tmp = ifac[a-b]* ifac[b] % MOD; return tmp * fac[a] % MOD; } }; int main(){ lint a,b,c; cin>>a>>b>>c; Comb comb=Comb(); mint ans=0; repi(i,2,a+b+1){ mint tmp=0; tmp+=pow(mint(2),a+b+c-i-1)*comb.comb(a+b+c-i-1,c-1); if(c!=1)tmp+=(pow(mint(2),a+b+c-i-1)-1)*comb.comb(a+b+c-i-2,c-2); if(a-i>=0)tmp*=mint(comb.comb(a+b-1,a-1))-mint(comb.comb(a+b-i,a-i)); else tmp*=comb.comb(a+b-1,a-1); ans+=tmp; } cout<<ans; }