結果
問題 | No.1202 お菓子の食べ方 |
ユーザー | mugen_1337 |
提出日時 | 2020-08-29 13:43:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 541 ms / 2,000 ms |
コード長 | 5,103 bytes |
コンパイル時間 | 2,618 ms |
コンパイル使用メモリ | 212,468 KB |
実行使用メモリ | 101,208 KB |
最終ジャッジ日時 | 2024-11-14 06:06:23 |
合計ジャッジ時間 | 21,183 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(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 | 509 ms
101,128 KB |
testcase_01 | AC | 519 ms
101,128 KB |
testcase_02 | AC | 511 ms
101,188 KB |
testcase_03 | AC | 508 ms
101,196 KB |
testcase_04 | AC | 498 ms
101,040 KB |
testcase_05 | AC | 504 ms
101,208 KB |
testcase_06 | AC | 499 ms
101,168 KB |
testcase_07 | AC | 510 ms
101,164 KB |
testcase_08 | AC | 493 ms
101,136 KB |
testcase_09 | AC | 541 ms
101,136 KB |
testcase_10 | AC | 157 ms
97,236 KB |
testcase_11 | AC | 204 ms
97,804 KB |
testcase_12 | AC | 326 ms
99,268 KB |
testcase_13 | AC | 186 ms
97,304 KB |
testcase_14 | AC | 322 ms
99,192 KB |
testcase_15 | AC | 171 ms
97,296 KB |
testcase_16 | AC | 265 ms
98,456 KB |
testcase_17 | AC | 215 ms
97,888 KB |
testcase_18 | AC | 204 ms
97,624 KB |
testcase_19 | AC | 180 ms
97,240 KB |
testcase_20 | AC | 282 ms
98,748 KB |
testcase_21 | AC | 289 ms
98,708 KB |
testcase_22 | AC | 175 ms
97,420 KB |
testcase_23 | AC | 260 ms
98,200 KB |
testcase_24 | AC | 261 ms
98,296 KB |
testcase_25 | AC | 173 ms
97,360 KB |
testcase_26 | AC | 303 ms
98,960 KB |
testcase_27 | AC | 267 ms
98,528 KB |
testcase_28 | AC | 199 ms
97,612 KB |
testcase_29 | AC | 208 ms
97,868 KB |
testcase_30 | AC | 170 ms
97,252 KB |
testcase_31 | AC | 154 ms
97,192 KB |
testcase_32 | AC | 168 ms
97,204 KB |
testcase_33 | AC | 158 ms
97,112 KB |
testcase_34 | AC | 167 ms
97,212 KB |
testcase_35 | AC | 159 ms
97,180 KB |
testcase_36 | AC | 170 ms
97,116 KB |
testcase_37 | AC | 163 ms
97,200 KB |
testcase_38 | AC | 165 ms
97,116 KB |
testcase_39 | AC | 167 ms
97,184 KB |
testcase_40 | AC | 518 ms
101,140 KB |
testcase_41 | AC | 509 ms
101,148 KB |
testcase_42 | AC | 507 ms
101,152 KB |
testcase_43 | AC | 507 ms
101,124 KB |
testcase_44 | AC | 519 ms
101,128 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define ALL(x) x.begin(),x.end() #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl; #define mod 1000000007 using ll=long long; const int INF=1000000000; const ll LINF=1001002003004005006ll; int dx[]={1,0,-1,0},dy[]={0,1,0,-1}; // ll gcd(ll a,ll b){return b?gcd(b,a%b):a;} template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;} template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;} struct IOSetup{ IOSetup(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(12); } } iosetup; template<typename T1,typename T2> ostream &operator<<(ostream &os,const pair<T1,T2>&p){ os<<p.first<<" "<<p.second; return os; } template<typename T> ostream &operator<<(ostream &os,const vector<T>&v){ for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" "); return os; } template<typename T1,typename T2> istream &operator>>(istream &is,pair<T1,T2>&p){ is>>p.first>>p.second; return is; } template<typename T> istream &operator>>(istream &is,vector<T>&v){ for(T &x:v)is>>x; return is; } template<ll Mod> struct ModInt{ long long x; ModInt():x(0){} ModInt(long long y):x(y>=0?y%Mod:(Mod-(-y)%Mod)%Mod){} 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;} ModInt operator==(const ModInt &p)const{return x==p.x;} ModInt 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; swap(a-=t*b,b);swap(u-=t*v,v); } return ModInt(u); } ModInt pow(long long n)const{ ModInt ret(1),mul(x); while(n>0){ if(n&1) ret*=mul; mul*=mul;n>>=1; } return ret; } friend ostream &operator<<(ostream &os,const ModInt &p){return os<<p.x;} friend istream &operator>>(istream &is,ModInt &a){long long t;is>>t;a=ModInt<Mod>(t);return (is);} static int get_mod(){return Mod;} }; using mint=ModInt<mod>; template<int MAX> struct comcalc{ vector<mint> fact,finv,inv; comcalc():fact(MAX),finv(MAX),inv(MAX){ fact[0]=mint(1),fact[1]=mint(1),finv[0]=mint(1),finv[1]=mint(1),inv[1]=mint(1); for(int i=2;i<MAX;i++){ fact[i]=fact[i-1]*mint(i); inv[i]=mint(0)-inv[mod%i]*(mint(mod/i)); finv[i]=finv[i-1]*inv[i]; } } mint com(int n,int k){ if(n<k) return mint(0); if(n<0 or k<0) return mint(0); return fact[n]*(finv[k]*finv[n-k]); } mint fac(int n){ return fact[n]; } // 重複組み合わせ:n種類の物から重複を許し,k個選ぶ mint nHk(int n,int k){ return com(n+k-1,k); } // 玉n区別,箱k区別,各箱1個以上O(k) mint F12_dis_dis_one(int n,int k){ if(n<k)return mint(0); mint ret=0; for(int i=0;i<=k;i++){ mint add=com(k,i)*(mint(i).pow(n)); if((k-i)%2) ret-=add; else ret+=add; } return ret; } /* sum combination(n+x, x), x=l to r https://www.wolframalpha.com/input/?i=sum+combination%28n%2Bx+%2Cx%29%2C+x%3Dl+to+r&lang=ja check n+x < [COM_PRECALC_MAX] */ mint sum_of_comb(int n,int l,int r){ if(l>r)return mint(0); mint ret=mint(r+1)*com(n+r+1,r+1)-mint(l)*com(l+n,l); ret/=mint(n+1); return ret; } }; mint pow_mod(mint x,ll n){ return x.pow(n); } mint inv_mod(mint x){ return x.inverse(); } // O(n) mint fact_mod(ll n){ mint ret=1; for(int i=2;i<=n;i++) ret*=mint(i); return ret; } // O(r) mint comb_mod(ll n,ll r){ if(r>n-r) r=n-r; if(r==0) return 1; mint a=1,b=mint(fact_mod(r)).inverse(); for(int i=0;i<r;i++)a*=mint(n-i); return a*b; } const int COM_PRECALC_MAX=4010000; using cominit=comcalc<COM_PRECALC_MAX>; signed main(){ cominit F; int n,m;cin>>n>>m; vector<vector<int>> s(n+1,vector<int>(m+1)); rep(i,n)rep(j,m)cin>>s[i][j]; mint res=0; rep(i,n)rep(j,m)res+=F.com(s[i][j]-1+i+j,i+j)*F.com(i+j,i); rep(i,n)rep(j,m)res+=F.sum_of_comb(i+j,s[i+1][j],s[i][j]-1)*F.com(i+j,i); rep(i,n)rep(j,m)res+=F.sum_of_comb(i+j,s[i][j+1],s[i][j]-1)*F.com(i+j,i); cout<<res<<endl; return 0; }