結果
| 問題 |
No.2600 Avator Height
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-01-12 22:06:09 |
| 言語 | Fortran (gFortran 14.2.0) |
| 結果 |
AC
|
| 実行時間 | 158 ms / 2,000 ms |
| コード長 | 9,717 bytes |
| コンパイル時間 | 630 ms |
| コンパイル使用メモリ | 36,608 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-09-27 22:22:48 |
| 合計ジャッジ時間 | 6,828 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 25 |
ソースコード
module modint_m
use, intrinsic :: iso_fortran_env
implicit none
private
integer(int64), parameter :: modulo = 998244353
public :: modint
public :: assignment(=), operator(+), operator(-), operator(*), operator(/), inv, operator(**), combination
type :: modint
integer(int64) :: val_
contains
procedure, pass :: to_i64 => to_i64_modint
end type modint
interface modint
module procedure :: init_modint_i32, init_modint_i64
end interface modint
interface assignment(=)
module procedure :: assign_m_from_m, assign_m_from_i32, assign_m_from_i64
end interface assignment(=)
interface operator(+)
module procedure :: add_m_m, add_i32_m, add_i64_m, add_m_i32, add_m_i64
end interface operator(+)
interface operator(-)
module procedure :: sub_m_m, sub_i32_m, sub_i64_m, sub_m_i32, sub_m_i64
end interface operator(-)
interface operator(*)
module procedure :: mul_m_m, mul_i32_m, mul_i64_m, mul_m_i32, mul_m_i64
end interface operator(*)
interface inv
module procedure :: inv_modint, inv_i32, inv_i64
end interface inv
interface operator(/)
module procedure :: div_m_m, div_i32_m, div_i64_m, div_m_i32, div_m_i64
end interface operator(/)
interface operator(**)
module procedure :: pow_m_i32, pow_m_i64
end interface operator(**)
interface combination
module procedure :: combination_m_m, combination_m_i32, combination_m_i64, combination_i32_m, combination_i64_m
end interface combination
contains
pure integer(int64) function to_i64_modint(mx) result(res)
class(modint), intent(in) :: mx
res = mx%val_
end function to_i64_modint
pure elemental type(modint) function init_modint_i32(x) result(res)
integer(int32), intent(in) :: x
res = modint(int(x, int64))
end function init_modint_i32
pure elemental type(modint) function init_modint_i64(x) result(res)
integer(int64), intent(in) :: x
res%val_ = mod(x, modulo)
if (res%val_ < 0) res%val_ = res%val_ + modulo
end function init_modint_i64
pure subroutine assign_m_from_m(this, x)
type(modint), intent(out) :: this
type(modint), intent(in) :: x
this%val_ = x%val_
end subroutine assign_m_from_m
pure subroutine assign_m_from_i32(this, x)
type(modint), intent(out) :: this
integer(int32), intent(in) :: x
this = modint(x)
end subroutine assign_m_from_i32
pure subroutine assign_m_from_i64(this, x)
type(modint), intent(out) :: this
integer(int64), intent(in) :: x
this = modint(x)
end subroutine assign_m_from_i64
pure type(modint) function add_m_m(mx, my) result(res)
type(modint), intent(in) :: mx, my
res%val_ = mod(mx%val_ + my%val_, modulo)
end function add_m_m
pure type(modint) function add_i32_m(x, my) result(res)
integer(int32), intent(in) :: x
type(modint), intent(in) :: my
res = int(x, int64) + my
end function add_i32_m
pure type(modint) function add_i64_m(x, my) result(res)
integer(int64), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) + my
end function add_i64_m
pure type(modint) function add_m_i32(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int32), intent(in) :: y
res = mx + modint(y)
end function add_m_i32
pure type(modint) function add_m_i64(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int64), intent(in) :: y
res = mx + modint(y)
end function add_m_i64
pure type(modint) function sub_m_m(mx, my) result(res)
type(modint), intent(in) :: mx, my
res%val_ = mod(mx%val_ - my%val_, modulo)
if (res%val_ < 0) res%val_ = res%val_ + modulo
end function sub_m_m
pure type(modint) function sub_i32_m(x, my) result(res)
integer(int32), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) - my
end function sub_i32_m
pure type(modint) function sub_i64_m(x, my) result(res)
integer(int64), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) - my
end function sub_i64_m
pure type(modint) function sub_m_i32(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int32), intent(in) :: y
res = mx - modint(y)
end function sub_m_i32
pure type(modint) function sub_m_i64(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int64), intent(in) :: y
res = mx - modint(y)
end function sub_m_i64
pure type(modint) function mul_m_m(mx, my) result(res)
type(modint), intent(in) :: mx, my
res%val_ = mod(mx%val_ * my%val_, modulo)
end function mul_m_m
pure type(modint) function mul_i32_m(x, my) result(res)
integer(int32), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) * my
end function mul_i32_m
pure type(modint) function mul_i64_m(x, my) result(res)
integer(int64), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) * my
end function mul_i64_m
pure type(modint) function mul_m_i32(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int32), intent(in) :: y
res = mx * modint(y)
end function mul_m_i32
pure type(modint) function mul_m_i64(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int64), intent(in) :: y
res = mx * modint(y)
end function mul_m_i64
pure type(modint) function inv_modint(mx) result(res)
type(modint), intent(in) :: mx
integer(int64) :: g, a_inv, y
call extend_euclid(mx%val_, modulo, g, a_inv, y)
!> if (g /= 1) error stop 1, something wrong...
!> g == 1.
res = modint(a_inv)
end function inv_modint
pure type(modint) function inv_i32(x) result(res)
integer(int32), intent(in) :: x
res = inv_modint(modint(x))
end function inv_i32
pure type(modint) function inv_i64(x) result(res)
integer(int64), intent(in) :: x
res = inv_modint(modint(x))
end function inv_i64
!> a*x + b*y == g
pure subroutine extend_euclid(a, b, g, x, y)
integer(int64), intent(in) :: a, b
integer(int64), intent(out) :: g, x, y
integer(int64) :: q
integer(int64) :: zs(0:1), xs(0:1), ys(0:1)
integer(int32) :: old, next
zs(0) = a; zs(1) = b
xs(0) = 1; xs(1) = 0
ys(0) = 0; ys(1) = 1
old = 1
do
next = ieor(old, 1)
if (zs(old) == 0) exit
q = zs(next) / zs(old)
zs(next) = zs(next) - q*zs(old)
xs(next) = xs(next) - q*xs(old)
ys(next) = ys(next) - q*ys(old)
old = next
end do
x = xs(next)
y = ys(next)
g = a*x + b*y
end subroutine extend_euclid
pure type(modint) function div_m_m(mx, my) result(res)
type(modint), intent(in) :: mx, my
res = mx * inv(my)
end function div_m_m
pure type(modint) function div_i32_m(x, my) result(res)
integer(int32), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) / my
end function div_i32_m
pure type(modint) function div_i64_m(x, my) result(res)
integer(int64), intent(in) :: x
type(modint), intent(in) :: my
res = modint(x) / my
end function div_i64_m
pure type(modint) function div_m_i32(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int32), intent(in) :: y
res = mx / modint(y)
end function div_m_i32
pure type(modint) function div_m_i64(mx, y) result(res)
type(modint), intent(in) :: mx
integer(int64), intent(in) :: y
res = mx / modint(y)
end function div_m_i64
pure type(modint) function pow_m_i32(mx, p) result(res)
type(modint), intent(in) :: mx
integer(int32), intent(in) :: p
res = mx ** int(p, int64)
end function pow_m_i32
pure type(modint) function pow_m_i64(mx, p) result(res)
type(modint), intent(in) :: mx
integer(int64), intent(in) :: p
type(modint) :: mv, mx_powered
integer(int64) :: pow
mv = 1
mx_powered = mx
pow = p
do while (pow /= 0)
if (iand(pow, b'1') == 1) then
mv = mv * mx_powered
end if
mx_powered = mx_powered * mx_powered
pow = ishft(pow, -1)
end do
res = mv
end function pow_m_i64
pure type(modint) function combination_m_m(mn, mr) result(res)
type(modint), intent(in) :: mn, mr
integer(int64) :: i
res = modint(1)
do i = 1, mr%to_i64()
res = res * (mn%to_i64()-i+1) / i
end do
end function combination_m_m
pure type(modint) function combination_m_i32(mn, r) result(res)
type(modint), intent(in) :: mn
integer(int32), intent(in) :: r
res = combination(mn, modint(r))
end function combination_m_i32
pure type(modint) function combination_m_i64(mn, r) result(res)
type(modint), intent(in) :: mn
integer(int64), intent(in) :: r
res = combination(mn, modint(r))
end function combination_m_i64
pure type(modint) function combination_i32_m(n, mr) result(res)
integer(int32), intent(in) :: n
type(modint), intent(in) :: mr
res = combination(modint(n), mr)
end function combination_i32_m
pure type(modint) function combination_i64_m(n, mr) result(res)
integer(int64), intent(in) :: n
type(modint), intent(in) :: mr
res = combination(modint(n), mr)
end function combination_i64_m
end module modint_m
program yukicoder_2600
use, intrinsic :: iso_fortran_env
use modint_m
implicit none
integer(int32), parameter :: maxi_val = 2 * 10**5
integer(int32) :: q, n
type(modint), allocatable :: rs(:), es(:)
integer(int32) :: i
read(input_unit, *) q
allocate(rs(maxi_val), es(maxi_val))
rs(1) = modint(1); rs(2) = modint(1)
es(1) = modint(1); es(2) = modint(3)
do i = 3, maxi_val
rs(i) = rs(i - 2) + rs(i - 1)
es(i) = es(i - 2) + es(i - 1)
end do
do i = 1, q
read(input_unit, *) n
write(output_unit, '(i0)') 5 * rs(n) ** 2 - es(n) ** 2
end do
end program yukicoder_2600