結果

問題 No.1419 Power Moves
ユーザー LayCurse
提出日時 2021-03-05 21:47:25
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 22 ms / 2,000 ms
コード長 7,108 bytes
コンパイル時間 2,661 ms
コンパイル使用メモリ 214,084 KB
最終ジャッジ日時 2025-01-19 10:52:07
ジャッジサーバーID
(参考情報)
judge4 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 31
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 #
プレゼンテーションモードにする

#pragma GCC optimize ("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define MD (1000000007U)
struct Modint{
unsigned val;
Modint(){
val=0;
}
Modint(int a){
val = ord(a);
}
Modint(unsigned a){
val = ord(a);
}
Modint(long long a){
val = ord(a);
}
Modint(unsigned long long a){
val = ord(a);
}
inline unsigned ord(unsigned a){
return a%MD;
}
inline unsigned ord(int a){
a %= (int)MD;
if(a < 0){
a += MD;
}
return a;
}
inline unsigned ord(unsigned long long a){
return a%MD;
}
inline unsigned ord(long long a){
a %= (int)MD;
if(a < 0){
a += MD;
}
return a;
}
inline unsigned get(){
return val;
}
inline Modint &operator++(){
val++;
if(val >= MD){
val -= MD;
}
return *this;
}
inline Modint &operator--(){
if(val == 0){
val = MD - 1;
}
else{
--val;
}
return *this;
}
inline Modint operator++(int a){
Modint res(*this);
val++;
if(val >= MD){
val -= MD;
}
return res;
}
inline Modint operator--(int a){
Modint res(*this);
if(val == 0){
val = MD - 1;
}
else{
--val;
}
return res;
}
inline Modint &operator+=(Modint a){
val += a.val;
if(val >= MD){
val -= MD;
}
return *this;
}
inline Modint &operator-=(Modint a){
if(val < a.val){
val = val + MD - a.val;
}
else{
val -= a.val;
}
return *this;
}
inline Modint &operator*=(Modint a){
val = ((unsigned long long)val*a.val)%MD;
return *this;
}
inline Modint &operator/=(Modint a){
return *this *= a.inverse();
}
inline Modint operator+(Modint a){
return Modint(*this)+=a;
}
inline Modint operator-(Modint a){
return Modint(*this)-=a;
}
inline Modint operator*(Modint a){
return Modint(*this)*=a;
}
inline Modint operator/(Modint a){
return Modint(*this)/=a;
}
inline Modint operator+(int a){
return Modint(*this)+=Modint(a);
}
inline Modint operator-(int a){
return Modint(*this)-=Modint(a);
}
inline Modint operator*(int a){
return Modint(*this)*=Modint(a);
}
inline Modint operator/(int a){
return Modint(*this)/=Modint(a);
}
inline Modint operator+(long long a){
return Modint(*this)+=Modint(a);
}
inline Modint operator-(long long a){
return Modint(*this)-=Modint(a);
}
inline Modint operator*(long long a){
return Modint(*this)*=Modint(a);
}
inline Modint operator/(long long a){
return Modint(*this)/=Modint(a);
}
inline Modint operator-(void){
Modint res;
if(val){
res.val=MD-val;
}
else{
res.val=0;
}
return res;
}
inline operator bool(void){
return val!=0;
}
inline operator int(void){
return get();
}
inline operator long long(void){
return get();
}
inline Modint inverse(){
int a = val;
int b = MD;
int u = 1;
int v = 0;
int t;
Modint res;
while(b){
t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
if(u < 0){
u += MD;
}
res.val = u;
return res;
}
inline Modint pw(unsigned long long b){
Modint a(*this);
Modint res;
res.val = 1;
while(b){
if(b&1){
res *= a;
}
b >>= 1;
a *= a;
}
return res;
}
inline bool operator==(int a){
return ord(a)==val;
}
inline bool operator!=(int a){
return ord(a)!=val;
}
}
;
inline Modint operator+(int a, Modint b){
return Modint(a)+=b;
}
inline Modint operator-(int a, Modint b){
return Modint(a)-=b;
}
inline Modint operator*(int a, Modint b){
return Modint(a)*=b;
}
inline Modint operator/(int a, Modint b){
return Modint(a)/=b;
}
inline Modint operator+(long long a, Modint b){
return Modint(a)+=b;
}
inline Modint operator-(long long a, Modint b){
return Modint(a)-=b;
}
inline Modint operator*(long long a, Modint b){
return Modint(a)*=b;
}
inline Modint operator/(long long a, Modint b){
return Modint(a)/=b;
}
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(Modint x){
int i;
i = (int)x;
wt_L(i);
}
template<class T, class S> inline T pow_L(T a, S b){
T res = 1;
res = 1;
for(;;){
if(b&1){
res *= a;
}
b >>= 1;
if(b==0){
break;
}
a *= a;
}
return res;
}
inline double pow_L(double a, double b){
return pow(a,b);
}
unsigned long long powmod(unsigned long long a, unsigned long long b, unsigned long long m){
unsigned long long r = 1;
while(b){
if(b&1){
r = r * a % m;
}
b>>=1;
a = a * a % m;
}
return r;
}
template<class S, class T> inline S moddw_L(S a, const T b){
a %= b;
if(a < 0){
a += b;
}
return a;
}
Modint res[100000];
Modint t = 2;
Modint it = 1 / t;
Modint d;
int main(){
int i;
int N;
rd(N);
int K;
rd(K);
int m;
m = powmod(2, K-1, N);
d = (((pow_L(t,(K-1)))) - m) / N;
for(i=(0);i<(N);i++){
auto Q5VJL1cS = (d);
res[(moddw_L((1+2*i),N))]+=Q5VJL1cS;
res[(moddw_L((-1-2*i),N))]+=Q5VJL1cS;
}
for(i=(0);i<(m);i++){
auto RZTsC2BF = (1);
res[(moddw_L((1+2*i),N))]+=RZTsC2BF;
res[(moddw_L((-1-2*i),N))]+=RZTsC2BF;
}
for(i=(0);i<(N);i++){
res[i] *= ((pow_L(it,K)));
}
{
int WYIGIcGE;
for(WYIGIcGE=(0);WYIGIcGE<(N);WYIGIcGE++){
wt_L(res[WYIGIcGE]);
wt_L('\n');
}
}
return 0;
}
// cLay version 20210227-1
// --- original code ---
// Modint res[1d5], t = 2, it = 1 / t, d;
// {
// int @N, @K, m;
// m = powmod(2, K-1, N);
// d = ((t ** (K-1)) - m) / N;
// rep(i,N) (res[(1+2*i) %% N], res[(-1-2*i)%%N]) += d;
// rep(i,m) (res[(1+2*i) %% N], res[(-1-2*i)%%N]) += 1;
// rep(i,N) res[i] *= (it ** K);
// wtLn(res(N));
// }
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