#438738 (C++17) No.1005 BOT対策

• 問題: No.1005 BOT対策
• ユーザー: LayCurse
• 提出日時: 2020-03-06 21:22:24
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 23 ms / 2,000 ms
• コード長: 2,260 bytes
• コンパイル時間: 3,439 ms
• コンパイル使用メモリ: 213,568 KB
• 最終ジャッジ日時: 2025-01-09 04:43:17
• ジャッジサーバーID （参考情報）: judge3 / judge1

ファイルパターン	結果
sample	AC * 3
other	AC * 28

ソースコード

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#pragma GCC optimize ("Ofast")
#include<bits/stdc++.h>
using namespace std;
void *wmem;
char memarr[96000000];
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 int rd(char c[]){
  int i;
  int sz = 0;
  for(;;){
    i = my_getchar_unlocked();
    if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF){
      break;
    }
  }
  c[sz++] = i;
  for(;;){
    i = my_getchar_unlocked();
    if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF){
      break;
    }
    c[sz++] = i;
  }
  c[sz]='\0';
  return sz;
}
inline void rd(string &x){
  char *buf = (char *)wmem;
  rd(buf);
  x = buf;
}
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(int x){
  int s=0;
  int m=0;
  char f[10];
  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');
  }
}
string S;
string T;
int main(){
  int i;
  wmem = memarr;
  int res = 0;
  rd(S);
  rd(T);
  for(i=(0);i<(S.size());i++){
    if(S.substr(i,T.size()) == T){
      if(T.size()==1){
        wt_L(-1);
        wt_L('\n');
        return 0;
      }
      S = S.substr(0,i+T.size()-1) + "." + S.substr(i+T.size()-1);
      res++;
      i = -1;
    }
  }
  wt_L(res);
  wt_L('\n');
  return 0;
}
// cLay varsion 20200303-1 [beta]
// --- original code ---
// string S, T;
// {
//   int res = 0;
//   rd(S,T);
//   rep(i,S.size()) if(S.substr(i,T.size()) == T){
//     if(T.size()==1) wt(-1), return 0;
//     S = S.substr(0,i+T.size()-1) + "." + S.substr(i+T.size()-1);
//     res++;
//     i = -1;
//   }
//   wt(res);
// }
 
 
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