結果
問題 | No.1785 Inequality Signs |
ユーザー | blackyuki |
提出日時 | 2021-12-29 21:38:37 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 69 ms / 2,000 ms |
コード長 | 3,147 bytes |
コンパイル時間 | 1,982 ms |
コンパイル使用メモリ | 207,480 KB |
実行使用メモリ | 22,000 KB |
最終ジャッジ日時 | 2024-10-04 13:49:50 |
合計ジャッジ時間 | 4,967 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 12 ms
6,816 KB |
testcase_02 | AC | 45 ms
16,628 KB |
testcase_03 | AC | 60 ms
21,360 KB |
testcase_04 | AC | 3 ms
6,816 KB |
testcase_05 | AC | 27 ms
11,008 KB |
testcase_06 | AC | 54 ms
19,568 KB |
testcase_07 | AC | 4 ms
6,820 KB |
testcase_08 | AC | 54 ms
18,936 KB |
testcase_09 | AC | 12 ms
6,816 KB |
testcase_10 | AC | 40 ms
14,524 KB |
testcase_11 | AC | 12 ms
6,816 KB |
testcase_12 | AC | 23 ms
9,728 KB |
testcase_13 | AC | 11 ms
6,816 KB |
testcase_14 | AC | 30 ms
12,032 KB |
testcase_15 | AC | 24 ms
10,368 KB |
testcase_16 | AC | 18 ms
8,448 KB |
testcase_17 | AC | 38 ms
14,672 KB |
testcase_18 | AC | 37 ms
14,636 KB |
testcase_19 | AC | 32 ms
12,384 KB |
testcase_20 | AC | 36 ms
13,372 KB |
testcase_21 | AC | 31 ms
12,416 KB |
testcase_22 | AC | 12 ms
6,820 KB |
testcase_23 | AC | 17 ms
8,320 KB |
testcase_24 | AC | 59 ms
21,328 KB |
testcase_25 | AC | 25 ms
10,240 KB |
testcase_26 | AC | 23 ms
9,856 KB |
testcase_27 | AC | 69 ms
21,964 KB |
testcase_28 | AC | 59 ms
21,904 KB |
testcase_29 | AC | 59 ms
21,832 KB |
testcase_30 | AC | 66 ms
21,988 KB |
testcase_31 | AC | 63 ms
21,948 KB |
testcase_32 | AC | 63 ms
22,000 KB |
testcase_33 | AC | 2 ms
6,816 KB |
testcase_34 | AC | 5 ms
6,816 KB |
testcase_35 | AC | 11 ms
6,820 KB |
testcase_36 | AC | 53 ms
18,812 KB |
testcase_37 | AC | 61 ms
21,272 KB |
testcase_38 | AC | 51 ms
18,544 KB |
testcase_39 | AC | 17 ms
7,424 KB |
testcase_40 | AC | 22 ms
9,472 KB |
testcase_41 | AC | 34 ms
13,232 KB |
testcase_42 | AC | 59 ms
21,604 KB |
testcase_43 | AC | 58 ms
21,296 KB |
testcase_44 | AC | 52 ms
18,436 KB |
testcase_45 | AC | 21 ms
9,600 KB |
testcase_46 | AC | 48 ms
17,960 KB |
testcase_47 | AC | 30 ms
12,024 KB |
testcase_48 | AC | 37 ms
14,708 KB |
testcase_49 | AC | 4 ms
6,820 KB |
testcase_50 | AC | 47 ms
18,432 KB |
testcase_51 | AC | 7 ms
6,816 KB |
testcase_52 | AC | 5 ms
6,816 KB |
testcase_53 | AC | 9 ms
6,820 KB |
ソースコード
#include <bits/stdc++.h> #pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; #define rep(i, n) for(long long i=0;i<(long long)(n);i++) #define REP(i,k,n) for(long long i=k;i<(long long)(n);i++) #define pb emplace_back #define lb(v,k) (lower_bound(all(v),(k))-v.begin()) #define ub(v,k) (upper_bound(all(v),(k))-v.begin()) #define fi first #define se second #define pi M_PI #define PQ(T) priority_queue<T> #define SPQ(T) priority_queue<T,vector<T>,greater<T>> #define dame(a) {out(a);return 0;} #define decimal cout<<fixed<<setprecision(15); #define all(a) a.begin(),a.end() #define rsort(a) {sort(all(a));reverse(all(a));} #define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());} #define popcnt __builtin_popcountll typedef long long ll; typedef pair<ll,ll> P; typedef tuple<ll,ll,ll> PP; typedef tuple<ll,ll,ll,ll> PPP; using vi=vector<ll>; using vvi=vector<vi>; using vvvi=vector<vvi>; using vvvvi=vector<vvvi>; using vp=vector<P>; using vvp=vector<vp>; using vb=vector<bool>; using vvb=vector<vb>; const ll inf=1001001001001001001; const ll INF=1001001001; const ll mod=1000000007; const double eps=1e-10; template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;} template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;} template<class T> void out(T a){cout<<a<<'\n';} template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';} template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';} template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);} template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';} template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);} template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);} template<class T> void yesno(T b){if(b)out("yes");else out("no");} template<class T> void YesNo(T b){if(b)out("Yes");else out("No");} template<class T> void YESNO(T b){if(b)out("YES");else out("NO");} template<class T> void outset(T s){auto itr=s.begin();while(itr!=s.end()){if(itr!=s.begin())cout<<' ';cout<<*itr;itr++;}cout<<'\n';} void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);} ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);} ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;} vi fac,finv,inv; void init(ll n){ n*=3; fac=vi(n+5);finv=vi(n+5);inv=vi(n+5); fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; REP(i,2,n+5){ fac[i]=fac[i-1]*i%mod; inv[i]=mod-inv[mod%i]*(mod/i)%mod; finv[i]=finv[i-1]*inv[i]%mod; } } long long modcom(ll n, ll k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % mod) % mod; } int main(){ ll n,K;cin>>n>>K;init(n); vi fac2(n*3); fac2[0]=n+K; rep(i,n*3-1)fac2[i+1]=fac2[i]*(n+K-i-1)%mod; ll ans=0; ll tmp=1; rep(i,n)tmp=tmp*(K+i)%mod; rep(i,n){ ans+=modcom(n-1,i)*tmp%mod*finv[n]%mod; tmp=tmp*(K-i-1)%mod*modpow(n+K-1-i,mod-2)%mod; } out(ans%mod); }