結果

問題 No.1618 Convolution?
コンテスト
ユーザー LayCurse
提出日時 2021-07-22 22:12:49
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 42 ms / 2,000 ms
コード長 6,341 bytes
コンパイル時間 2,315 ms
コンパイル使用メモリ 221,792 KB
最終ジャッジ日時 2025-01-23 06:51:02
ジャッジサーバーID
（参考情報） 		judge5 / judge1
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 * 15
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")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("inline")
#include<bits/stdc++.h>
using namespace std;
template<class T> struct cLtraits_identity{
  using type = T;
}
;
template<class T> using cLtraits_try_make_signed =
  typename conditional<
    is_integral<T>::value,
    make_signed<T>,
    cLtraits_identity<T>
    >::type;
template <class S, class T> struct cLtraits_common_type{
  using tS = typename cLtraits_try_make_signed<S>::type;
  using tT = typename cLtraits_try_make_signed<T>::type;
  using type = typename common_type<tS,tT>::type;
}
;
void*wmem;
char memarr[96000000];
template<class S, class T> inline auto min_L(S a, T b)
-> typename cLtraits_common_type<S,T>::type{
  return (typename cLtraits_common_type<S,T>::type) a <= (typename cLtraits_common_type<S,T>::type) b ? a : b;
}
template<class S, class T> inline auto max_L(S a, T b)
-> typename cLtraits_common_type<S,T>::type{
  return (typename cLtraits_common_type<S,T>::type) a >= (typename cLtraits_common_type<S,T>::type) 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);
}
template<class T> inline void walloc1d(T **arr, int x1, int x2, void **mem = &wmem){
  walloc1d(arr, x2-x1, mem);
  (*arr) -= x1;
}
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 void rd(long long &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(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');
  }
}
template<class T> struct Arr1d{
  int n;
  int mem;
  T*d;
  T& operator[](int a){
    return d[a];
  }
  void sort(){
    reset();
    std::sort(d, d+n);
  }
  int set_cumulative_sum;
  int cumulative_sum_mem;
  T*cumulative_sum;
  void setSum(void){
    int i;
    set_cumulative_sum = 1;
    if(cumulative_sum_mem < n+1){
      delete[] cumulative_sum;
      cumulative_sum = new T[n+1];
      cumulative_sum_mem = n+1;
    }
    cumulative_sum[0] = 0;
    for(i=(0);i<(n);i++){
      cumulative_sum[i+1] = cumulative_sum[i] + d[i];
    }
  }
  T getSum(int i, int j){
    if(set_cumulative_sum==0){
      setSum();
    }
    return cumulative_sum[j+1] - cumulative_sum[i];
  }
  void reset(){
    set_cumulative_sum = 0;
  }
  void constructor(){
    n = mem = 0;
    d = NULL;
    set_cumulative_sum = 0;
    cumulative_sum_mem = 0;
    cumulative_sum = NULL;
  }
  void destructor(){
    delete[] d;
    d = NULL;
    mem = n = 0;
    set_cumulative_sum = 0;
    cumulative_sum_mem = 0;
    delete[] cumulative_sum;
    cumulative_sum = NULL;
  }
  void constructor(int nn){
    constructor();
    malloc(nn);
  }
  void memory_expand(int nn){
    if(mem < nn){
      delete[] d;
      d = new T[nn];
      mem = nn;
    }
  }
  void malloc(int nn){
    reset();
    memory_expand(nn);
    n = nn;
  }
  void setN(int nn){
    reset();
    memory_expand(nn);
    n = nn;
  }
  void setN(int nn, T val){
    int i;
    reset();
    memory_expand(nn);
    n = nn;
    for(i=(0);i<(n);i++){
      d[i] = val;
    }
  }
  void set(vector<T> &a){
    int i;
    int nn = a.size();
    setN(nn);
    for(i=(0);i<(nn);i++){
      d[i] = a[i];
    }
  }
  void set(int nn, T a[]){
    int i;
    setN(nn);
    for(i=(0);i<(nn);i++){
      d[i] = a[i];
    }
  }
  void free(){
    destructor();
  }
  Arr1d(){
    constructor();
  }
  Arr1d(int nn){
    constructor(nn);
  }
  ~Arr1d(){
    destructor();
  }
}
;
int N;
Arr1d<long long> A;
Arr1d<long long> B;
long long res[400000+1];
int main(){
  int i;
  wmem = memarr;
  int x;
  int y;
  rd(N);
  A.malloc(N);
  {
    int Lj4PdHRW;
    for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){
      rd(A[Lj4PdHRW]);
    }
  }
  B.malloc(N);
  {
    int e98WHCEY;
    for(e98WHCEY=(0);e98WHCEY<(N);e98WHCEY++){
      rd(B[e98WHCEY]);
    }
  }
  for(i=(1);i<(2*N);i++){
    x =max_L(0, i-N);
    y =min_L(N-1, i-1);
    res[i] = res[i-1];
    res[i] += A.getSum(x,y);
    res[i] += B.getSum(x,y);
    if(x){
      res[i] -= A[x-1] * N;
    }
    if(x){
      res[i] -= B[x-1] * N;
    }
  }
  {
    int KrdatlYV;
    if(2*N==0){
      wt_L('\n');
    }
    else{
      for(KrdatlYV=(0);KrdatlYV<(2*N-1);KrdatlYV++){
        wt_L(res[KrdatlYV]);
        wt_L(' ');
      }
      wt_L(res[KrdatlYV]);
      wt_L('\n');
    }
  }
  return 0;
}
// cLay version 20210717-1 [beta]

// --- original code ---
// int N;
// Arr1d<ll> A, B;
// ll res[4d5+1];
// 
// {
//   int x, y;
//   rd(N,A(N),B(N));
//   rep(i,1,2*N){
//     x = max(0, i-N); y = min(N-1, i-1);
//     res[i] = res[i-1];
//     res[i] += A.getSum(x,y);
//     res[i] += B.getSum(x,y);
//     if(x) res[i] -= A[x-1] * N;
//     if(x) res[i] -= B[x-1] * N;
//   }
// 
//   wt(res(2*N));
// }
0