結果

問題 No.1202 お菓子の食べ方
ユーザー hotman78hotman78
提出日時 2020-08-01 14:54:08
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 573 ms / 2,000 ms
コード長 7,698 bytes
コンパイル時間 6,451 ms
コンパイル使用メモリ 439,420 KB
実行使用メモリ 167,488 KB
最終ジャッジ日時 2024-11-14 22:50:38
合計ジャッジ時間 24,140 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ
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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 572 ms
167,316 KB
testcase_01 AC 537 ms
167,328 KB
testcase_02 AC 537 ms
167,384 KB
testcase_03 AC 538 ms
167,408 KB
testcase_04 AC 537 ms
167,308 KB
testcase_05 AC 540 ms
167,312 KB
testcase_06 AC 539 ms
167,356 KB
testcase_07 AC 544 ms
167,488 KB
testcase_08 AC 539 ms
167,388 KB
testcase_09 AC 573 ms
167,392 KB
testcase_10 AC 146 ms
159,768 KB
testcase_11 AC 190 ms
160,584 KB
testcase_12 AC 347 ms
163,656 KB
testcase_13 AC 152 ms
159,932 KB
testcase_14 AC 341 ms
163,452 KB
testcase_15 AC 142 ms
159,756 KB
testcase_16 AC 268 ms
162,120 KB
testcase_17 AC 198 ms
160,872 KB
testcase_18 AC 189 ms
160,560 KB
testcase_19 AC 148 ms
159,816 KB
testcase_20 AC 284 ms
162,420 KB
testcase_21 AC 289 ms
162,520 KB
testcase_22 AC 156 ms
159,996 KB
testcase_23 AC 248 ms
161,716 KB
testcase_24 AC 251 ms
161,780 KB
testcase_25 AC 152 ms
159,792 KB
testcase_26 AC 304 ms
162,852 KB
testcase_27 AC 270 ms
162,136 KB
testcase_28 AC 174 ms
160,252 KB
testcase_29 AC 201 ms
160,768 KB
testcase_30 AC 133 ms
159,472 KB
testcase_31 AC 134 ms
159,448 KB
testcase_32 AC 133 ms
159,452 KB
testcase_33 AC 135 ms
159,444 KB
testcase_34 AC 134 ms
159,512 KB
testcase_35 AC 134 ms
159,500 KB
testcase_36 AC 134 ms
159,504 KB
testcase_37 AC 134 ms
159,476 KB
testcase_38 AC 134 ms
159,504 KB
testcase_39 AC 136 ms
159,320 KB
testcase_40 AC 539 ms
167,312 KB
testcase_41 AC 569 ms
167,296 KB
testcase_42 AC 544 ms
167,340 KB
testcase_43 AC 572 ms
167,380 KB
testcase_44 AC 571 ms
167,304 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp:50:22: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   50 | inline auto reversed(auto v){reverse(v.begin(),v.end());return v;}
      |                      ^~~~
main.cpp:57:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   57 | bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;}
      |            ^~~~
main.cpp:57:26: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   57 | bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;}
      |                          ^~~~
main.cpp:58:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   58 | bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;}
      |            ^~~~
main.cpp:58:26: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   58 | bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;}
      |                          ^~~~

ソースコード

diff # 

#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC push_options
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#include<bits/stdc++.h>
#include <xmmintrin.h>
#include <immintrin.h>
using namespace::std;
__attribute__((constructor))void init(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/priority_queue.hpp>
#include<ext/pb_ds/tag_and_trait.hpp>
// #include <boost/multiprecision/cpp_dec_float.hpp>
// #include <boost/multiprecision/cpp_int.hpp>
// namespace mp = boost::multiprecision;
// typedef mp::number<mp::cpp_dec_float<0>> cdouble;
// typedef mp::cpp_int cint;
template<typename T>inline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i;f=1;}cout<<endl;}
template<typename T>inline void output2(T t){for(auto i:t)output(i);}
template<typename T>inline void debug(T t){bool f=0;for(auto i:t){cerr<<(f?" ":"")<<i;f=1;}cerr<<endl;}
template<typename T>inline void debug2(T t){for(auto i:t)debug(i);}
template<typename T>using pbds=__gnu_pbds::tree<T,__gnu_pbds::null_type,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>;
template<typename T>using pbds_map=__gnu_pbds::tree<T,T,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>;
template<typename T,typename E>using hash_map=__gnu_pbds::gp_hash_table<T,E>;
template<typename T>using pqueue =__gnu_pbds::priority_queue<T, greater<T>,__gnu_pbds::rc_binomial_heap_tag>;
typedef long long lint;
#define INF (1LL<<60)
#define IINF (1<<30)
#define LINF (9223372036854775807LL)
#define EPS (1e-10)
#define endl ('\n')
#define MOD 1000000007LL
//#define MOD 998244353LL
//#define MOD 1000000000039LL
typedef vector<lint> vec;
typedef vector<vector<lint>> mat;
typedef vector<vector<vector<lint>>> mat3;
typedef vector<string> svec;
typedef vector<vector<string>> smat;
#define rep(i,...) for(auto i:range(__VA_ARGS__)) 
#define rrep(i,...) for(auto i:reversed(range(__VA_ARGS__)))
#define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i)
#define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i)
#define irep(i) for(lint i=0;;++i)
inline vector<int64_t> range(int64_t n){vector<int64_t>v(n);iota(v.begin(),v.end(),0LL);return v;}
inline vector<int64_t> range(int64_t a,int64_t b){vector<int64_t>v(b-a);iota(v.begin(),v.end(),a);return v;}
inline vector<int64_t> range(int64_t a,int64_t b,int64_t c){vector<int64_t>v((b-a+c-1)/c);for(int i=0;i<(int)v.size();++i)v[i]=i?v[i-1]+c:a;return v;}
inline auto reversed(auto v){reverse(v.begin(),v.end());return v;}
#define all(n) begin(n),end(n)
#define dist(a,b,c,d) sqrt(pow(a-c,2)+pow(b-d,2))
//inline lint gcd(lint A,lint B){return B?gcd(B,A%B):A;}
//inline lint lcm(lint A,lint B){return A/gcd(A,B)*B;}
// inline cint cgcd(cint A,cint B){return B?cgcd(B,A%B):A;}
// inline cint clcm(cint A,cint B){return A/cgcd(A,B)*B;}
bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;}
bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;}
const vector<lint> dx={1,0,-1,0,1,1,-1,-1};
const vector<lint> dy={0,1,0,-1,1,-1,1,-1};
#define SUM(v) accumulate(all(v),0LL)
auto call=[](auto f,auto... args){return f(f,args...);};
template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else return vector(arg,make_vector<T>(x,args...));}
int msb(int x){return 32-__builtin_clz(x);}

class mint {
  using u64 = std::uint_fast64_t;
    public:
    u64 a;
    constexpr mint(const long long x = 0)noexcept:a(x>=0?x%get_mod():get_mod()-(-x)%get_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 >= get_mod())a -= get_mod();
        return *this;
    }
    constexpr mint &operator-=(const mint rhs) noexcept {
        if (a<rhs.a)a += get_mod();
        a -= rhs.a;
        return *this;
    }
    constexpr mint &operator*=(const mint rhs) noexcept {
        a = a * rhs.a % get_mod();
        return *this;
    }
    constexpr mint operator++(int n) noexcept {
        a += 1;
        if (a >= get_mod())a -= get_mod();
        return *this;
    }
    constexpr mint operator--(int n) noexcept {
        if (a<1)a += get_mod();
        a -= 1;
        return *this;
    }
    constexpr mint &operator/=(mint rhs) noexcept {
        u64 exp=get_mod()-2;
        while (exp) {
            if (exp % 2) {
                *this *= rhs;
            }
            rhs *= rhs;
            exp /= 2;
        }
        return *this;
    }
    constexpr bool operator==(mint x) noexcept {
        return a==x.a;
    }
    constexpr bool operator!=(mint x) noexcept {
        return a!=x.a;
    }
	constexpr bool operator<(mint x) noexcept {
        return a<x.a;
    }
	constexpr bool operator>(mint x) noexcept {
        return a>x.a;
    }
	constexpr bool operator<=(mint x) noexcept {
        return a<=x.a;
    }
	constexpr bool operator>=(mint x) noexcept {
        return a>=x.a;
    }
    constexpr static int root(){
        mint root = 2;
        while(root.pow((get_mod()-1)>>1).a==1)root++;
        return root.a;
    }
    constexpr mint pow(long long n){
        long long x=a;
        mint ret = 1;
        while(n>0) {
            if(n&1)(ret*=x);
            (x*=x)%=get_mod();
            n>>=1;
        }
        return ret;
    }
    constexpr mint inv(){
        return pow(get_mod()-2);
    }
    static vector<mint> fac,ifac;
    static bool init;
    constexpr static int mx=10000001;
    void build(){
        init=0;
        fac.resize(mx);
        ifac.resize(mx);
        fac[0]=1,ifac[0]=1;
        for(int i=1;i<mx;i++)fac[i]=fac[i-1]*i;
        ifac[mx-1]=fac[mx-1].inv();
        for(int i=mx-2;i>=0;i--)ifac[i]=ifac[i+1]*(i+1);
    }
    mint comb(lint b){
        if(init)build();
        if(a==0&&b==0)return 1;
        if((lint)a<b||a<0)return 0;
        return fac[a]*ifac[a-b]*ifac[b];
    }
    mint fact(){
        if(init)build();
        return fac[a];
    }
    mint fact_inv(){
        if(init)build();
        return ifac[a];
    }
    friend ostream& operator<<(ostream& lhs, const mint& rhs) noexcept {
        lhs << rhs.a;
        return lhs;
    }
    friend istream& operator>>(istream& lhs,mint& rhs) noexcept {
        lhs >> rhs.a;
        return lhs;
    }
    constexpr static u64 get_mod(){return MOD;}
};
vector<mint> mint::fac;
vector<mint> mint::ifac;
bool mint::init=1;

mat v;
lint n,m;
int main(){
    cin>>n>>m;
    v.resize(n,vec(m,0));
    assert(1<=n&&n<=1000);
    assert(1<=m&&m<=1000);
    rep(i,n)rep(j,m)cin>>v[i][j];
    rep(i,n)rep(j,m)assert(1<=v[i][j]&&v[i][j]<=1000000);
    mint ans=0;
    rep(i,n)rep(j,m){
        mint tmp=0;
        tmp+=mint(i+j+v[i][j]-1).comb(v[i][j]-1);
        if(i!=n-1)tmp+=(mint(i+j+v[i][j]).comb(i+j)*(v[i][j])-mint(i+j+v[i+1][j]).comb(i+j)*v[i+1][j])/(i+j+1);
        else tmp+=mint(i+j+v[i][j]).comb(i+j)*(v[i][j])/(i+j+1);

        if(j!=m-1)tmp+=(mint(i+j+v[i][j]).comb(i+j)*(v[i][j])-mint(i+j+v[i][j+1]).comb(i+j)*v[i][j+1])/(i+j+1);
        else tmp+=mint(i+j+v[i][j]).comb(i+j)*(v[i][j])/(i+j+1);
        ans+=tmp*mint(i+j).comb(i);
    }
    cout<<ans<<endl;
}
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