#563876 (C++17) No.1250 汝は倍数なりや?

• 問題: No.1250 汝は倍数なりや?
• ユーザー: LayCurse
• 提出日時: 2020-10-09 21:21:27
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 38 ms / 1,000 ms
• コード長: 1,824 bytes
• コンパイル時間: 2,475 ms
• コンパイル使用メモリ: 209,672 KB
• 最終ジャッジ日時: 2025-01-15 03:45:05
• ジャッジサーバーID （参考情報）: judge2 / judge1

ファイルパターン	結果
sample	AC * 3
other	AC * 49

ソースコード

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#pragma GCC optimize ("Ofast")
#include<bits/stdc++.h>
using namespace std;
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;
  }
}
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(const char c[]){
  int i=0;
  for(i=0;c[i]!='\0';i++){
    my_putchar_unlocked(c[i]);
  }
}
template<class T, class U> inline T GCD_L(T a, U b){
  T r;
  while(b){
    r=a;
    a=b;
    b=r%a;
  }
  return a;
}
int N;
int H;
int A;
int main(){
  int Lj4PdHRW;
  rd(N);
  rd(H);
  for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){
    rd(A);
    H = H /GCD_L(H, A);
  }
  if(H==1){
    wt_L("YES");
    wt_L('\n');
  }
  else{
    wt_L("NO");
    wt_L('\n');
  }
  return 0;
}
// cLay varsion 20201003-1
// --- original code ---
// int N, H, A;
// {
//   rd(N,H);
//   rep(N){
//     rd(A);
//     H = H / gcd(H, A);
//   }
//   wt(if[H==1, "YES", "NO"]);
// }
 
 
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