結果
| 問題 |
No.42 貯金箱の溜息
|
| コンテスト | |
| ユーザー |
beet
|
| 提出日時 | 2019-12-18 10:41:37 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 10 ms / 5,000 ms |
| コード長 | 3,643 bytes |
| コンパイル時間 | 2,951 ms |
| コンパイル使用メモリ | 201,932 KB |
| 最終ジャッジ日時 | 2025-01-08 12:20:34 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 3 |
コンパイルメッセージ
main.cpp: In function ‘int ARC033_D()’:
main.cpp:127:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
127 | scanf("%d",&n);
| ~~~~~^~~~~~~~~
main.cpp:131:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
131 | for(int i=0;i<=n;i++) scanf("%d",&y[i].v);
| ~~~~~^~~~~~~~~~~~~~
main.cpp:134:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
134 | scanf("%d",&t);
| ~~~~~^~~~~~~~~
main.cpp: In function ‘int YUKI_042()’:
main.cpp:153:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
153 | scanf("%d",&T);
| ~~~~~^~~~~~~~~
main.cpp:157:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
157 | scanf("%lld",&m);
| ~~~~~^~~~~~~~~~~
ソースコード
#ifndef call_from_test
#include<bits/stdc++.h>
using namespace std;
#endif
//BEGIN CUT HERE
template<typename M>
M lagrange_interpolation(vector<M> &y,M t){
int n=y.size()-1;
if(t.v<=n) return y[t.v];
vector<M> dp(n+1,1),pd(n+1,1);
for(int i=0;i<n;i++) dp[i+1]=dp[i]*(t-M(i));
for(int i=n;i>0;i--) pd[i-1]=pd[i]*(t-M(i));
vector<M> fact(n+1,1),finv(n+1,1);
for(int i=1;i<=n;i++) fact[i]=fact[i-1]*M(i);
finv[n]=M(1)/fact[n];
for(int i=n;i>=1;i--) finv[i-1]=finv[i]*M(i);
M res(0);
for(int i=0;i<=n;i++){
M tmp=y[i]*dp[i]*pd[i]*finv[i]*finv[n-i];
if((n-i)&1) res-=tmp;
else res+=tmp;
}
return res;
}
//END CUT HERE
#ifndef call_from_test
#define call_from_test
#ifndef call_from_test
#include<bits/stdc++.h>
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T,T MOD = 1000000007>
struct Mint{
static constexpr T mod = MOD;
T v;
Mint():v(0){}
Mint(signed v):v(v){}
Mint(long long t){v=t%MOD;if(v<0) v+=MOD;}
Mint pow(long long k){
Mint res(1),tmp(v);
while(k){
if(k&1) res*=tmp;
tmp*=tmp;
k>>=1;
}
return res;
}
static Mint add_identity(){return Mint(0);}
static Mint mul_identity(){return Mint(1);}
Mint inv(){return pow(MOD-2);}
Mint& operator+=(Mint a){v+=a.v;if(v>=MOD)v-=MOD;return *this;}
Mint& operator-=(Mint a){v+=MOD-a.v;if(v>=MOD)v-=MOD;return *this;}
Mint& operator*=(Mint a){v=1LL*v*a.v%MOD;return *this;}
Mint& operator/=(Mint a){return (*this)*=a.inv();}
Mint operator+(Mint a) const{return Mint(v)+=a;}
Mint operator-(Mint a) const{return Mint(v)-=a;}
Mint operator*(Mint a) const{return Mint(v)*=a;}
Mint operator/(Mint a) const{return Mint(v)/=a;}
Mint operator-() const{return v?Mint(MOD-v):Mint(v);}
bool operator==(const Mint a)const{return v==a.v;}
bool operator!=(const Mint a)const{return v!=a.v;}
bool operator <(const Mint a)const{return v <a.v;}
static Mint comb(long long n,int k){
Mint num(1),dom(1);
for(int i=0;i<k;i++){
num*=Mint(n-i);
dom*=Mint(i+1);
}
return num/dom;
}
};
template<typename T,T MOD> constexpr T Mint<T, MOD>::mod;
template<typename T,T MOD>
ostream& operator<<(ostream &os,Mint<T, MOD> m){os<<m.v;return os;}
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed ABC127_E(){
cin.tie(0);
ios::sync_with_stdio(0);
int h,w,k;
cin>>h>>w>>k;
using M = Mint<int>;
M ans{0};
for(int d=1;d<h;d++)
ans+=M(d)*M(h-d)*M(w)*M(w);
for(int d=1;d<w;d++)
ans+=M(d)*M(w-d)*M(h)*M(h);
ans*=M::comb(h*w-2,k-2);
cout<<ans<<endl;
return 0;
}
/*
verified on 2019/06/12
https://atcoder.jp/contests/abc127/tasks/abc127_e
*/
signed main(){
//ABC127_E();
return 0;
}
#endif
#undef call_from_test
signed ARC033_D(){
int n;
scanf("%d",&n);
using M = Mint<int>;
vector<M> y(n+1);
for(int i=0;i<=n;i++) scanf("%d",&y[i].v);
int t;
scanf("%d",&t);
printf("%d\n",lagrange_interpolation(y,M(t)).v);
return 0;
}
/*
verified on 2019/12/17
https://atcoder.jp/contests/arc033/tasks/arc033_4
*/
signed YUKI_042(){
using M = Mint<int, int(1e9+9)>;
const int MAX = 666 * 6 + 10;
vector<M> dp(MAX,0);
dp[0]=M(1);
for(int x:{1,5,10,50,100,500})
for(int j=x;j<MAX;j++) dp[j]+=dp[j-x];
int T;
scanf("%d",&T);
while(T--){
using ll = long long;
ll m;
scanf("%lld",&m);
vector<M> y(6);
for(int i=0;i<6;i++) y[i]=dp[(m%500)+(i*500)];
printf("%d\n",lagrange_interpolation(y,M(m/500)).v);
}
return 0;
}
/*
verified on 2019/12/17
https://yukicoder.me/problems/no/42
*/
signed main(){
//ARC033_D();
YUKI_042();
return 0;
}
#endif
beet