結果

問題 No.1532 Different Products
ユーザー 👑 PCTprobabilityPCTprobability
提出日時 2021-05-02 17:06:49
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 485 ms / 4,000 ms
コード長 3,937 bytes
コンパイル時間 6,260 ms
コンパイル使用メモリ 305,168 KB
実行使用メモリ 7,168 KB
最終ジャッジ日時 2024-04-27 03:46:27
合計ジャッジ時間 24,090 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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 2 ms
6,816 KB
testcase_01 AC 69 ms
6,812 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 2 ms
6,944 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 4 ms
6,940 KB
testcase_09 AC 36 ms
6,944 KB
testcase_10 AC 98 ms
6,940 KB
testcase_11 AC 80 ms
6,940 KB
testcase_12 AC 229 ms
6,940 KB
testcase_13 AC 162 ms
6,948 KB
testcase_14 AC 386 ms
6,944 KB
testcase_15 AC 39 ms
6,944 KB
testcase_16 AC 75 ms
6,940 KB
testcase_17 AC 94 ms
6,940 KB
testcase_18 AC 84 ms
6,940 KB
testcase_19 AC 220 ms
6,944 KB
testcase_20 AC 392 ms
6,940 KB
testcase_21 AC 115 ms
6,940 KB
testcase_22 AC 151 ms
6,944 KB
testcase_23 AC 115 ms
6,944 KB
testcase_24 AC 358 ms
6,940 KB
testcase_25 AC 193 ms
6,940 KB
testcase_26 AC 25 ms
6,940 KB
testcase_27 AC 157 ms
6,940 KB
testcase_28 AC 125 ms
6,940 KB
testcase_29 AC 88 ms
6,944 KB
testcase_30 AC 217 ms
6,940 KB
testcase_31 AC 223 ms
6,940 KB
testcase_32 AC 264 ms
6,940 KB
testcase_33 AC 195 ms
6,940 KB
testcase_34 AC 332 ms
6,940 KB
testcase_35 AC 261 ms
6,940 KB
testcase_36 AC 319 ms
6,940 KB
testcase_37 AC 48 ms
6,944 KB
testcase_38 AC 346 ms
6,940 KB
testcase_39 AC 308 ms
6,940 KB
testcase_40 AC 312 ms
6,944 KB
testcase_41 AC 461 ms
7,168 KB
testcase_42 AC 405 ms
6,940 KB
testcase_43 AC 424 ms
6,940 KB
testcase_44 AC 464 ms
7,004 KB
testcase_45 AC 462 ms
7,144 KB
testcase_46 AC 457 ms
6,964 KB
testcase_47 AC 473 ms
7,168 KB
testcase_48 AC 468 ms
7,144 KB
testcase_49 AC 472 ms
7,040 KB
testcase_50 AC 468 ms
7,132 KB
testcase_51 AC 472 ms
7,168 KB
testcase_52 AC 467 ms
6,940 KB
testcase_53 AC 472 ms
7,168 KB
testcase_54 AC 463 ms
7,040 KB
testcase_55 AC 468 ms
7,140 KB
testcase_56 AC 453 ms
7,092 KB
testcase_57 AC 458 ms
7,040 KB
testcase_58 AC 468 ms
6,944 KB
testcase_59 AC 438 ms
6,996 KB
testcase_60 AC 485 ms
7,168 KB
testcase_61 AC 2 ms
6,940 KB
testcase_62 AC 2 ms
6,944 KB
testcase_63 AC 471 ms
7,144 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <unistd.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using ll = long long;
using ld = long double;
using ull = long long;
#define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i))
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(x) begin(x), end(x)
#define all(s) (s).begin(),(s).end()
//#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
//#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define rever(vec) reverse(vec.begin(), vec.end())
#define sor(vec) sort(vec.begin(), vec.end())
#define fi first
#define se second
#define pb push_back
#define pll pair<ll,ll>
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define in scanner.read_int()
const ll mod = 998244353;
//const ll mod = 1000000007;
const ll inf = 2000000000000000000ll;
static const long double pi = 3.141592653589793;
template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];}
template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;}
void YesNo(bool a){if(a){cout<<"Yes"<<endl;}else{cout<<"No"<<endl;}}
void YESNO(bool a){if(a){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;}}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } }
template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
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...));}
ll modPow(ll a, ll n, ll mod) { ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; }
const ll t0=1,t1=10,t2=100,t3=1000,t4=10000,t5=100000,t6=1000000,t7=10000000,t8=t7*10,t9=t8*10,t10=t9*10,t11=t10*10,t12=t11*10,t13=t12*10,t14=t13*10,t15=t14*10,t16=t15*10,t17=t16*10,t18=t17*10;
void gbjsmzmfuuvdf(){
  ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
  cout<< fixed << setprecision(20);
}
class Scanner {
    vector<char> buffer;
    ssize_t n_written;
    ssize_t n_read;

public:
    Scanner(): buffer(1024*1024) { do_read(); }

    int64_t read_int() {
        int64_t ret = 0, sgn = 1;
        int ch = current_char();
        while (isspace(ch)) { ch = next_char(); }
        if (ch == '-') { sgn = -1; ch = next_char(); }
        for (; isdigit(ch); ch = next_char())
            ret = (ret * 10) + (ch - '0');
        return sgn * ret;
    }

private:
    void do_read() {
        ssize_t r = read(0, &buffer[0], buffer.size());
        if (r < 0) {
            throw runtime_error(strerror(errno));
        }
        n_written = r;
        n_read = 0;
    }

    inline int next_char() {
        ++n_read;
        if (n_read == n_written) { do_read(); }
        return current_char();
    }

    inline int current_char() {
        return (n_read == n_written) ? EOF : buffer[n_read];
    }
};

//Scanner scanner;
//void vin(vector<ll> &n){for(int i=0;i<int(n.size());i++) n[i]=in;}
int main() {
  gbjsmzmfuuvdf();
  ll n,k;
  cin>>n>>k;
  if(k==1){
    cout<<1<<endl;
    return 0;
  }
  ll s=sqrt(k)+1;
  vector<ll> a(s+1,0),A(s+1,1);
  a[1]=1;
  for(int i=1;i<=n;i++){
    vector<ll> b(s+1),B(s+1);
    b=a;
    B=A;
    for(int j=1;j<=s;j++){
      if(i*j<=s){
        b[i*j]+=a[j];
      }
    }
    vector<ll> c=a;
    for(int j=1;j<c.size();j++) c[j]+=c[j-1];
    for(int j=1;j<=s;j++){
      if(i*j<=s){
        B[j]+=A[i*j];
      }
      else{
        B[j]+=c[k/(i*j)];
      }
    }
    a=b;
    A=B;
  }
  cout<<(A[1]-1)<<endl;
}
0