結果

問題 No.1170 Never Want to Walk
コンテスト
ユーザー LayCurse
提出日時 2020-08-14 21:42:46
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 168 ms / 2,000 ms
コード長 10,155 bytes
コンパイル時間 3,147 ms
コンパイル使用メモリ 224,628 KB
最終ジャッジ日時 2025-01-12 23:28:25
ジャッジサーバーID
（参考情報） 		judge3 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 37
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 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);
}
template<class T1> void sortA_L(int N, T1 a[], void *mem = wmem){
  sort(a, a+N);
}
template<class T1, class T2> void sortA_L(int N, T1 a[], T2 b[], void *mem = wmem){
  int i;
  pair<T1, T2> *arr;
  walloc1d(&arr, N, &mem);
  for(i=(0);i<(N);i++){
    arr[i].first = a[i];
    arr[i].second = b[i];
  }
  sort(arr, arr+N);
  for(i=(0);i<(N);i++){
    a[i] = arr[i].first;
    b[i] = arr[i].second;
  }
}
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(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');
  }
}
inline void wt_L(unsigned x){
  int s=0;
  char f[10];
  while(x){
    f[s++]=x%10;
    x/=10;
  }
  if(!s){
    f[s++]=0;
  }
  while(s--){
    my_putchar_unlocked(f[s]+'0');
  }
}
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');
  }
}
inline void wt_L(unsigned long long x){
  int s=0;
  char f[21];
  while(x){
    f[s++]=x%10;
    x/=10;
  }
  if(!s){
    f[s++]=0;
  }
  while(s--){
    my_putchar_unlocked(f[s]+'0');
  }
}
int WRITER_DOUBLE_DIGIT = 15;
inline int writerDigit_double(){
  return WRITER_DOUBLE_DIGIT;
}
inline void writerDigit_double(int d){
  WRITER_DOUBLE_DIGIT = d;
}
inline void wt_L(double x){
  const int d = WRITER_DOUBLE_DIGIT;
  int k;
  int r;
  double v;
  if(x!=x || (x==x+1 && x==2*x)){
    my_putchar_unlocked('E');
    my_putchar_unlocked('r');
    my_putchar_unlocked('r');
    return;
  }
  if(x < 0){
    my_putchar_unlocked('-');
    x = -x;
  }
  x += 0.5 * pow(0.1, d);
  r = 0;
  v = 1;
  while(x >= 10*v){
    v *= 10;
    r++;
  }
  while(r >= 0){
    r--;
    k = floor(x / v);
    if(k >= 10){
      k = 9;
    }
    if(k <= -1){
      k = 0;
    }
    x -= k * v;
    v *= 0.1;
    my_putchar_unlocked(k + '0');
  }
  if(d > 0){
    my_putchar_unlocked('.');
    v = 1;
    for(r=(0);r<(d);r++){
      v *= 0.1;
      k = floor(x / v);
      if(k >= 10){
        k = 9;
      }
      if(k <= -1){
        k = 0;
      }
      x -= k * v;
      my_putchar_unlocked(k + '0');
    }
  }
}
inline void wt_L(const char c[]){
  int i=0;
  for(i=0;c[i]!='\0';i++){
    my_putchar_unlocked(c[i]);
  }
}
inline void wt_L(string &x){
  int i=0;
  for(i=0;x[i]!='\0';i++){
    my_putchar_unlocked(x[i]);
  }
}
template<class S> inline void arrInsert(const int k, int &sz, S a[], const S aval){
  int i;
  sz++;
  for(i=sz-1;i>k;i--){
    a[i] = a[i-1];
  }
  a[k] = aval;
}
template<class S, class T> inline void arrInsert(const int k, int &sz, S a[], const S aval, T b[], const T bval){
  int i;
  sz++;
  for(i=sz-1;i>k;i--){
    a[i] = a[i-1];
  }
  for(i=sz-1;i>k;i--){
    b[i] = b[i-1];
  }
  a[k] = aval;
  b[k] = bval;
}
template<class S, class T, class U> inline void arrInsert(const int k, int &sz, S a[], const S aval, T b[], const T bval, U c[], const U cval){
  int i;
  sz++;
  for(i=sz-1;i>k;i--){
    a[i] = a[i-1];
  }
  for(i=sz-1;i>k;i--){
    b[i] = b[i-1];
  }
  for(i=sz-1;i>k;i--){
    c[i] = c[i-1];
  }
  a[k] = aval;
  b[k] = bval;
  c[k] = cval;
}
template<class S, class T, class U, class V> inline void arrInsert(const int k, int &sz, S a[], const S aval, T b[], const T bval, U c[], const U cval, V d[], const V dval){
  int i;
  sz++;
  for(i=sz-1;i>k;i--){
    a[i] = a[i-1];
  }
  for(i=sz-1;i>k;i--){
    b[i] = b[i-1];
  }
  for(i=sz-1;i>k;i--){
    c[i] = c[i-1];
  }
  for(i=sz-1;i>k;i--){
    d[i] = d[i-1];
  }
  a[k] = aval;
  b[k] = bval;
  c[k] = cval;
  d[k] = dval;
}
struct unionFind{
  int *d;
  int N;
  int M;
  inline void malloc(const int n){
    d = (int*)std::malloc(n*sizeof(int));
    M = n;
  }
  inline void malloc(const int n, const int fg){
    d = (int*)std::malloc(n*sizeof(int));
    M = n;
    if(fg){
      init(n);
    }
  }
  inline void free(void){
    std::free(d);
  }
  inline void walloc(const int n, void **mem=&wmem){
    walloc1d(&d, n, mem);
    M = n;
  }
  inline void walloc(const int n, const int fg, void **mem=&wmem){
    walloc1d(&d, n, mem);
    M = n;
    if(fg){
      init(n);
    }
  }
  inline void init(const int n){
    int i;
    N = n;
    for(i=(0);i<(n);i++){
      d[i] = -1;
    }
  }
  inline void init(void){
    init(M);
  }
  inline int get(int a){
    int t = a;
    int k;
    while(d[t]>=0){
      t=d[t];
    }
    while(d[a]>=0){
      k=d[a];
      d[a]=t;
      a=k;
    }
    return a;
  }
  inline int connect(int a, int b){
    if(d[a]>=0){
      a=get(a);
    }
    if(d[b]>=0){
      b=get(b);
    }
    if(a==b){
      return 0;
    }
    if(d[a] < d[b]){
      d[a] += d[b];
      d[b] = a;
    }
    else{
      d[b] += d[a];
      d[a] = b;
    }
    return 1;
  }
  inline int operator()(int a){
    return get(a);
  }
  inline int operator()(int a, int b){
    return connect(a,b);
  }
  inline int& operator[](const int a){
    return d[a];
  }
  inline int size(int a){
    a = get(a);
    return -d[a];
  }
  inline int sizeList(int res[]){
    int i;
    int sz=0;
    for(i=(0);i<(N);i++){
      if(d[i]<0){
        res[sz++] = -d[i];
      }
    }
    return sz;
  }
}
;
int N;
int A;
int B;
int X[200000];
int sz;
int l[400000];
int r[400000];
int main(){
  int i;
  wmem = memarr;
  int a;
  int b;
  unionFind uf;
  set<int> s;
  rd(N);
  rd(A);
  rd(B);
  {
    int Lj4PdHRW;
    for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){
      rd(X[Lj4PdHRW]);
    }
  }
  uf.malloc(N,1);
  for(i=(0);i<(N);i++){
    int RZTsC2BF;
    int FmcKpFmN;
    int xr20shxY;
    RZTsC2BF = 0;
    FmcKpFmN = N;
    while(RZTsC2BF < FmcKpFmN){
      if((RZTsC2BF + FmcKpFmN)%2==0){
        xr20shxY = (RZTsC2BF + FmcKpFmN) / 2;
      }
      else{
        xr20shxY = (RZTsC2BF + FmcKpFmN - 1) / 2;
      }
      if(X[xr20shxY] >= X[i]-B){
        FmcKpFmN = xr20shxY;
      }
      else{
        RZTsC2BF = xr20shxY + 1;
      }
    }
    a =FmcKpFmN;
    int KrdatlYV;
    int ao_dF3pO;
    int tU__gIr_;
    KrdatlYV = -1;
    ao_dF3pO = N-1;
    while(KrdatlYV < ao_dF3pO){
      if((KrdatlYV + ao_dF3pO)%2==0){
        tU__gIr_ = (KrdatlYV + ao_dF3pO) / 2;
      }
      else{
        tU__gIr_ = (KrdatlYV + ao_dF3pO + 1) / 2;
      }
      if(X[tU__gIr_] <= X[i]-A){
        KrdatlYV = tU__gIr_;
      }
      else{
        ao_dF3pO = tU__gIr_ - 1;
      }
    }
    b =ao_dF3pO;
    if(a <= b){
      arrInsert(sz, sz, l, a, r, b);
      uf(i, a);
    }
    int V9aVTaxx;
    int APIVbQlN;
    int YREPHmFM;
    V9aVTaxx = 0;
    APIVbQlN = N;
    while(V9aVTaxx < APIVbQlN){
      if((V9aVTaxx + APIVbQlN)%2==0){
        YREPHmFM = (V9aVTaxx + APIVbQlN) / 2;
      }
      else{
        YREPHmFM = (V9aVTaxx + APIVbQlN - 1) / 2;
      }
      if(X[YREPHmFM] >= X[i]+A){
        APIVbQlN = YREPHmFM;
      }
      else{
        V9aVTaxx = YREPHmFM + 1;
      }
    }
    a =APIVbQlN;
    int ZIeRIny5;
    int iMWUTgY_;
    int AlM5nNnR;
    ZIeRIny5 = -1;
    iMWUTgY_ = N-1;
    while(ZIeRIny5 < iMWUTgY_){
      if((ZIeRIny5 + iMWUTgY_)%2==0){
        AlM5nNnR = (ZIeRIny5 + iMWUTgY_) / 2;
      }
      else{
        AlM5nNnR = (ZIeRIny5 + iMWUTgY_ + 1) / 2;
      }
      if(X[AlM5nNnR] <= X[i]+B){
        ZIeRIny5 = AlM5nNnR;
      }
      else{
        iMWUTgY_ = AlM5nNnR - 1;
      }
    }
    b =iMWUTgY_;
    if(a <= b){
      arrInsert(sz, sz, l, a, r, b);
      uf(i, a);
    }
  }
  a = 0;
  sortA_L(sz, l, r);
  for(i=(0);i<(N);i++){
    if(s.size()){
      uf(i,i-1);
    }
    while(a < sz && l[a]==i){
      s.insert(r[a++]);
    }
    if(s.size() && *s.begin()==i){
      s.erase(s.begin());
    }
  }
  for(i=(0);i<(N);i++){
    wt_L(uf.size(i));
    wt_L('\n');
  }
  return 0;
}
// cLay varsion 20200813-1 [beta]

// --- original code ---
// int N, A, B, X[2d5];
// int sz, l[4d5], r[4d5];
// {
//   int a, b;
//   unionFind uf;
//   set<int> s;
//   rd(N,A,B,X(N));
//   uf.malloc(N,1);
// 
//   rep(i,N){
//     a = bsearch_min[int,k,0,N](X[k] >= X[i]-B);
//     b = bsearch_max[int,k,-1,N-1](X[k] <= X[i]-A);
//     if(a <= b){
//       arrInsert(sz, sz, l, a, r, b);
//       uf(i, a);
//     }
//     a = bsearch_min[int,k,0,N](X[k] >= X[i]+A);
//     b = bsearch_max[int,k,-1,N-1](X[k] <= X[i]+B);
//     if(a <= b){
//       arrInsert(sz, sz, l, a, r, b);
//       uf(i, a);
//     }
//   }
//   a = 0;
//   sortA(sz, l, r);
//   rep(i,N){
//     if(s.size()) uf(i,i-1);
//     while(a < sz && l[a]==i) s.insert(r[a++]);
//     if(s.size() && *s.begin()==i) s.erase(s.begin());
//   }
// 
//   rep(i,N) wt(uf.size(i));
// }
0