結果

問題 No.1262 グラフを作ろう!
ユーザー LayCurseLayCurse
提出日時 2020-10-16 22:42:36
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 751 ms / 3,000 ms
コード長 4,956 bytes
コンパイル時間 2,866 ms
コンパイル使用メモリ 216,764 KB
実行使用メモリ 16,640 KB
最終ジャッジ日時 2024-07-20 23:02:00
合計ジャッジ時間 68,834 ms
ジャッジサーバーID
(参考情報)
judge1 / 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 574 ms
16,384 KB
testcase_01 AC 746 ms
16,512 KB
testcase_02 AC 703 ms
16,512 KB
testcase_03 AC 635 ms
16,512 KB
testcase_04 AC 562 ms
15,872 KB
testcase_05 AC 567 ms
16,512 KB
testcase_06 AC 566 ms
15,616 KB
testcase_07 AC 555 ms
16,128 KB
testcase_08 AC 613 ms
16,512 KB
testcase_09 AC 728 ms
16,512 KB
testcase_10 AC 629 ms
16,384 KB
testcase_11 AC 673 ms
16,512 KB
testcase_12 AC 642 ms
16,512 KB
testcase_13 AC 608 ms
16,512 KB
testcase_14 AC 570 ms
16,512 KB
testcase_15 AC 600 ms
16,512 KB
testcase_16 AC 628 ms
16,512 KB
testcase_17 AC 583 ms
16,512 KB
testcase_18 AC 648 ms
16,384 KB
testcase_19 AC 579 ms
16,128 KB
testcase_20 AC 617 ms
16,512 KB
testcase_21 AC 706 ms
16,384 KB
testcase_22 AC 544 ms
15,616 KB
testcase_23 AC 581 ms
16,384 KB
testcase_24 AC 631 ms
16,640 KB
testcase_25 AC 546 ms
16,000 KB
testcase_26 AC 582 ms
16,512 KB
testcase_27 AC 601 ms
16,512 KB
testcase_28 AC 594 ms
16,512 KB
testcase_29 AC 596 ms
16,512 KB
testcase_30 AC 614 ms
16,512 KB
testcase_31 AC 687 ms
16,384 KB
testcase_32 AC 622 ms
16,512 KB
testcase_33 AC 580 ms
16,384 KB
testcase_34 AC 628 ms
16,512 KB
testcase_35 AC 650 ms
16,384 KB
testcase_36 AC 562 ms
16,384 KB
testcase_37 AC 667 ms
16,640 KB
testcase_38 AC 610 ms
16,512 KB
testcase_39 AC 665 ms
16,384 KB
testcase_40 AC 593 ms
16,512 KB
testcase_41 AC 592 ms
16,384 KB
testcase_42 AC 616 ms
16,512 KB
testcase_43 AC 597 ms
16,384 KB
testcase_44 AC 624 ms
16,512 KB
testcase_45 AC 614 ms
16,512 KB
testcase_46 AC 584 ms
16,384 KB
testcase_47 AC 591 ms
16,512 KB
testcase_48 AC 606 ms
16,512 KB
testcase_49 AC 594 ms
16,512 KB
testcase_50 AC 594 ms
16,512 KB
testcase_51 AC 751 ms
16,512 KB
testcase_52 AC 570 ms
16,384 KB
testcase_53 AC 564 ms
16,384 KB
testcase_54 AC 569 ms
16,512 KB
testcase_55 AC 596 ms
16,384 KB
testcase_56 AC 556 ms
16,512 KB
testcase_57 AC 570 ms
16,512 KB
testcase_58 AC 605 ms
16,384 KB
testcase_59 AC 561 ms
16,640 KB
testcase_60 AC 582 ms
16,384 KB
testcase_61 AC 572 ms
16,512 KB
testcase_62 AC 604 ms
16,384 KB
testcase_63 AC 600 ms
16,512 KB
testcase_64 AC 554 ms
16,384 KB
testcase_65 AC 547 ms
16,384 KB
testcase_66 AC 577 ms
16,384 KB
testcase_67 AC 596 ms
16,384 KB
testcase_68 AC 541 ms
16,384 KB
testcase_69 AC 561 ms
16,384 KB
testcase_70 AC 613 ms
16,384 KB
testcase_71 AC 552 ms
16,512 KB
testcase_72 AC 562 ms
16,512 KB
testcase_73 AC 593 ms
16,384 KB
testcase_74 AC 563 ms
16,384 KB
testcase_75 AC 562 ms
16,512 KB
testcase_76 AC 566 ms
16,512 KB
testcase_77 AC 557 ms
16,384 KB
testcase_78 AC 611 ms
16,512 KB
testcase_79 AC 576 ms
16,512 KB
testcase_80 AC 567 ms
16,512 KB
testcase_81 AC 593 ms
16,640 KB
testcase_82 AC 577 ms
16,512 KB
testcase_83 AC 561 ms
16,512 KB
testcase_84 AC 595 ms
16,512 KB
testcase_85 AC 558 ms
16,512 KB
testcase_86 AC 565 ms
16,512 KB
testcase_87 AC 585 ms
16,512 KB
testcase_88 AC 595 ms
16,384 KB
testcase_89 AC 575 ms
16,512 KB
testcase_90 AC 581 ms
16,512 KB
testcase_91 AC 606 ms
16,640 KB
testcase_92 AC 599 ms
16,512 KB
testcase_93 AC 589 ms
16,384 KB
testcase_94 AC 594 ms
16,512 KB
testcase_95 AC 578 ms
16,512 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 optimize ("Ofast")
#include<bits/stdc++.h>
using namespace std;
void*wmem;
char memarr[96000000];
template<class S, class T> inline S min_L(S a,T b){
  return a<=b?a:b;
}
template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){
  static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
  (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] );
  (*arr)=(T*)(*mem);
  (*mem)=((*arr)+x);
}
inline int my_getchar_unlocked(){
  static char buf[1048576];
  static int s = 1048576;
  static int e = 1048576;
  if(s == e && e == 1048576){
    e = fread_unlocked(buf, 1, 1048576, stdin);
    s = 0;
  }
  if(s == e){
    return EOF;
  }
  return buf[s++];
}
inline void rd(int &x){
  int k;
  int m=0;
  x=0;
  for(;;){
    k = my_getchar_unlocked();
    if(k=='-'){
      m=1;
      break;
    }
    if('0'<=k&&k<='9'){
      x=k-'0';
      break;
    }
  }
  for(;;){
    k = my_getchar_unlocked();
    if(k<'0'||k>'9'){
      break;
    }
    x=x*10+k-'0';
  }
  if(m){
    x=-x;
  }
}
inline int rd_int(void){
  int x;
  rd(x);
  return x;
}
struct MY_WRITER{
  char buf[1048576];
  int s;
  int e;
  MY_WRITER(){
    s = 0;
    e = 1048576;
  }
  ~MY_WRITER(){
    if(s){
      fwrite_unlocked(buf, 1, s, stdout);
    }
  }
}
;
MY_WRITER MY_WRITER_VAR;
void my_putchar_unlocked(int a){
  if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){
    fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout);
    MY_WRITER_VAR.s = 0;
  }
  MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a;
}
inline void wt_L(char a){
  my_putchar_unlocked(a);
}
inline void wt_L(long long x){
  int s=0;
  int m=0;
  char f[20];
  if(x<0){
    m=1;
    x=-x;
  }
  while(x){
    f[s++]=x%10;
    x/=10;
  }
  if(!s){
    f[s++]=0;
  }
  if(m){
    my_putchar_unlocked('-');
  }
  while(s--){
    my_putchar_unlocked(f[s]+'0');
  }
}
int Prime_L(int N, int res[], void *mem=wmem){
  int i;
  int a;
  int b;
  int sz = 1;
  const int r = 23000;
  bool*isprime;
  int*sf;
  int ss = 1;
  walloc1d(&isprime, r, &mem);
  walloc1d(&sf, r, &mem);
  isprime = (bool*)mem;
  sf = (int*)(isprime + r);
  N /= 2;
  res[0] = 2;
  b =min_L(r, N);
  for(i=(1);i<(b);i++){
    isprime[i] = 1;
  }
  for(i=(1);i<(b);i++){
    if(isprime[i]){
      res[sz++] = 2*i+1;
      sf[ss] = 2*i*(i+1);
      if(sf[ss] < N){
        while(sf[ss] < r){
          isprime[sf[ss]] = 0;
          sf[ss] += res[ss];
        }
        ss++;
      }
    }
  }
  for(a=r; a<N; a+=r){
    b =min_L(a + r, N);
    isprime -= r;
    for(i=(a);i<(b);i++){
      isprime[i] = 1;
    }
    for(i=(1);i<(ss);i++){
      while(sf[i] < b){
        isprime[sf[i]] = 0;
        sf[i] += res[i];
      }
    }
    for(i=(a);i<(b);i++){
      if(isprime[i]){
        res[sz++] = 2*i+1;
      }
    }
  }
  return sz;
}
template<class T> int Factor_L(T N, T fac[], int fs[]){
  T i;
  int sz = 0;
  if(N%2==0){
    fac[sz] = 2;
    fs[sz] = 1;
    N /= 2;
    while(N%2==0){
      N /= 2;
      fs[sz]++;
    }
    sz++;
  }
  for(i=3;i*i<=N;i+=2){
    if(N%i==0){
      fac[sz] = i;
      fs[sz] = 1;
      N /= i;
      while(N%i==0){
        N /= i;
        fs[sz]++;
      }
      sz++;
    }
  }
  if(N > 1){
    fac[sz] = N;
    fs[sz] = 1;
    sz++;
  }
  return sz;
}
template<class T> int Divisor_L(T N, T res[], void *mem = wmem){
  int i;
  int j;
  int k;
  int s;
  int sz = 0;
  T*fc;
  int*fs;
  int fsz;
  walloc1d(&fc, 100, &mem);
  walloc1d(&fs, 100, &mem);
  fsz =Factor_L(N, fc, fs);
  res[sz++] = 1;
  for(i=(0);i<(fsz);i++){
    s = sz;
    k = s * fs[i];
    for(j=(0);j<(k);j++){
      res[sz++] = res[j] * fc[i];
    }
  }
  sort(res, res+sz);
  return sz;
}
int N;
int A;
int ps;
int p[1000000];
int phi[1000000+1];
int ds;
int d[1000000];
long long ans[1000000+1];
int main(){
  int Q5VJL1cS, i, tU__gIr_;
  wmem = memarr;
  long long res = 0;
  ps =Prime_L(1000000, p);
  for(i=(0);i<(1000000+1);i++){
    phi[i] = i;
  }
  for(Q5VJL1cS=(0);Q5VJL1cS<(ps);Q5VJL1cS++){
    int j;
    auto &i = p[Q5VJL1cS];
    for(j=(i);j<(1000000+1);j+=(i)){
      phi[j] = phi[j] / i * (i-1);
    }
  }
  for(i=(1);i<(1000000+1);i++){
    int t_ynMSdg;
    ds =Divisor_L(i, d);
    for(t_ynMSdg=(0);t_ynMSdg<(ds);t_ynMSdg++){
      auto &j = d[t_ynMSdg];
      ans[i] += j * phi[i/j];
    }
  }
  rd(N);
  int a2conNHc = rd_int();
  for(tU__gIr_=(0);tU__gIr_<(a2conNHc);tU__gIr_++){
    rd(A);
    res += ans[A] - A;
  }
  wt_L(res);
  wt_L('\n');
  return 0;
}
// cLay varsion 20201003-1

// --- original code ---
// int N, A;
// int ps, p[1d6];
// int phi[1d6+1];
// int ds, d[1d6];
// ll ans[1d6+1];
// {
//   ll res = 0;
// 
//   ps = Prime(1d6, p);
//   rep(i,1d6+1) phi[i] = i;
//   rep[p](i,ps) rep(j,i,1d6+1,i) phi[j] = phi[j] / i * (i-1);
// 
//   rep(i,1,1d6+1){
//     ds = Divisor(i, d);
//     rep[d](j,ds) ans[i] += j * phi[i/j];
//   }
// 
//   rd(N);
//   REP(rd_int()){
//     rd(A);
//     res += ans[A] - A;
//   }
//   wt(res);
// }
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