結果
問題 | No.2709 1975 Powers |
ユーザー | kemuniku |
提出日時 | 2024-03-31 15:59:44 |
言語 | Nim (2.0.2) |
結果 |
WA
|
実行時間 | - |
コード長 | 22,934 bytes |
コンパイル時間 | 3,030 ms |
コンパイル使用メモリ | 78,352 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-09-30 20:59:57 |
合計ジャッジ時間 | 20,388 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 11 ms
6,820 KB |
testcase_03 | AC | 776 ms
6,816 KB |
testcase_04 | AC | 1,428 ms
6,820 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 136 ms
6,820 KB |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 1,444 ms
6,820 KB |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 1,681 ms
6,820 KB |
testcase_26 | AC | 1,670 ms
6,816 KB |
ソースコード
#{.checks:off.} import macros;macro ImportExpand(s:untyped):untyped = parseStmt($s[2]) import macros ImportExpand "cplib/tmpl/sheep.nim" <=== "when not declared CPLIB_TMPL_SHEEP:\n const CPLIB_TMPL_SHEEP* = 1\n {.warning[UnusedImport]: off.}\n {.hint[XDeclaredButNotUsed]: off.}\n import algorithm\n import sequtils\n import tables\n import macros\n import math\n import sets\n import strutils\n import strformat\n import sugar\n import heapqueue\n import streams\n import deques\n import bitops\n import std/lenientops\n import options\n #入力系\n proc scanf(formatstr: cstring){.header: \"<stdio.h>\", varargs.}\n proc getchar(): char {.importc: \"getchar_unlocked\", header: \"<stdio.h>\", discardable.}\n proc ii(): int {.inline.} = scanf(\"%lld\\n\", addr result)\n proc lii(N: int): seq[int] {.inline.} = newSeqWith(N, ii())\n proc si(): string {.inline.} =\n result = \"\"\n var c: char\n while true:\n c = getchar()\n if c == ' ' or c == '\\n':\n break\n result &= c\n #chmin,chmax\n template `max=`(x, y) = x = max(x, y)\n template `min=`(x, y) = x = min(x, y)\n #bit演算\n proc `%`(x: int, y: int): int = (((x mod y)+y) mod y)\n proc `//`(x: int, y: int): int = (((x) - (x%y)) div (y))\n proc `%=`(x: var int, y: int): void = x = x%y\n proc `//=`(x: var int, y: int): void = x = x//y\n proc `**`(x: int, y: int): int = x^y\n proc `**=`(x: var int, y: int): void = x = x^y\n proc `^`(x: int, y: int): int = x xor y\n proc `|`(x: int, y: int): int = x or y\n proc `&`(x: int, y: int): int = x and y\n proc `>>`(x: int, y: int): int = x shr y\n proc `<<`(x: int, y: int): int = x shl y\n proc `~`(x: int): int = not x\n proc `^=`(x: var int, y: int): void = x = x ^ y\n proc `&=`(x: var int, y: int): void = x = x & y\n proc `|=`(x: var int, y: int): void = x = x | y\n proc `>>=`(x: var int, y: int): void = x = x >> y\n proc `<<=`(x: var int, y: int): void = x = x << y\n proc `[]`(x: int, n: int): bool = (x and (1 shl n)) != 0\n #便利な変換\n proc `!`(x: char, a = '0'): int = int(x)-int(a)\n #定数\n const INF = int(3300300300300300491)\n #converter\n\n #range\n iterator range(start: int, ends: int, step: int): int =\n var i = start\n if step < 0:\n while i > ends:\n yield i\n i += step\n elif step > 0:\n while i < ends:\n yield i\n i += step\n iterator range(ends: int): int = (for i in 0..<ends: yield i)\n iterator range(start: int, ends: int): int = (for i in\n start..<ends: yield i)\n" ImportExpand "cplib/math/powmod.nim" <=== "when not declared CPLIB_MATH_POWMOD:\n const CPLIB_MATH_POWMOD* = 1\n #[ import cplib/math/inner_math ]#\n when not declared CPLIB_MATH_INNER_MATH:\n const CPLIB_MATH_INNER_MATH* = 1\n proc add*(a, b, m: int): int {.importcpp: \"((__int128)(#) + (__int128)(#)) % (__int128)(#)\", nodecl.}\n proc mul*(a, b, m: int): int {.importcpp: \"(__int128)(#) * (__int128)(#) % (__int128)(#)\", nodecl.}\n proc powmod*(a, n, m: int): int =\n var\n rev = 1\n a = a\n n = n\n while n > 0:\n if n mod 2 != 0: rev = mul(rev, a, m)\n if n > 1: a = mul(a, a, m)\n n = n shr 1\n return rev\n" ImportExpand "atcoder/modint.nim" <=== "when not declared ATCODER_MODINT_HPP:\n const ATCODER_MODINT_HPP* = 1\n import std/macros\n #[ import atcoder/generate_definitions ]#\n when not declared ATCODER_GENERATE_DEFINITIONS_NIM:\n const ATCODER_GENERATE_DEFINITIONS_NIM* = 1\n import std/macros\n \n type hasInv* = concept x\n x.inv()\n \n template generateDefinitions*(name, l, r, typeObj, typeBase, body: untyped): untyped {.dirty.} =\n proc name*(l, r: typeObj): auto {.inline.} =\n type T = l.type\n body\n proc name*(l: typeBase; r: typeObj): auto {.inline.} =\n type T = r.type\n body\n proc name*(l: typeObj; r: typeBase): auto {.inline.} =\n type T = l.type\n body\n \n template generatePow*(name) {.dirty.} =\n proc pow*(m: name; p: SomeInteger): name {.inline.} =\n when name is hasInv:\n if p < 0: return pow(m.inv(), -p)\n else:\n doAssert p >= 0\n if (p.type)(0) <= p:\n var\n p = p.uint\n m = m\n result = m.unit()\n while p > 0'u:\n if (p and 1'u) != 0'u: result *= m\n m *= m\n p = p shr 1'u\n proc `^`*[T:name](m: T; p: SomeInteger): T {.inline.} = m.pow(p)\n \n macro generateConverter*(name, from_type, to_type) =\n let fname = ident(\"to\" & $`name` & \"OfGenerateConverter\")\n quote do:\n type `name`* = `to_type`\n converter `fname`*(a:`from_type`):`name` {.used.} =\n `name`.init(a)\n discard\n\n type\n StaticModInt*[M: static[int]] = object\n a:uint32\n DynamicModInt*[T: static[int]] = object\n a:uint32\n\n type ModInt* = StaticModInt or DynamicModInt\n# type ModInt* = concept x, type T\n# T is StaticModInt or T is DynamicModInt\n\n proc isStaticModInt*(T:typedesc[ModInt]):bool = T is StaticModInt\n proc isDynamicModInt*(T:typedesc[ModInt]):bool = T is DynamicModInt\n #proc isModInt*(T:typedesc):bool = T.isStaticModInt or T.isDynamicModInt\n proc isStatic*(T:typedesc[ModInt]):bool = T is StaticModInt\n proc getMod*[M:static[int]](t:typedesc[StaticModInt[M]]):int {.inline.} = M\n\n\n #[ import atcoder/internal_math ]#\n when not declared ATCODER_INTERNAL_MATH_HPP:\n const ATCODER_INTERNAL_MATH_HPP* = 1\n import std/math\n \n # Fast moduler by barrett reduction\n # Reference: https:#en.wikipedia.org/wiki/Barrett_reduction\n # NOTE: reconsider after Ice Lake\n type Barrett* = object\n m*, im*:uint\n \n # @param m `1 <= m`\n proc initBarrett*(m:uint):auto = Barrett(m:m, im:cast[uint](-1) div m + 1)\n \n # @return m\n proc umod*(self: Barrett):uint =\n self.m\n \n {.emit: \"\"\"\n #include<cstdio>\n inline unsigned long long calc_mul(const unsigned long long &a, const unsigned long long &b){\n return (unsigned long long)(((unsigned __int128)(a)*b) >> 64);\n }\n \"\"\".}\n proc calc_mul*(a,b:culonglong):culonglong {.importcpp: \"calc_mul(#,#)\", nodecl, inline.}\n # @param a `0 <= a < m`\n # @param b `0 <= b < m`\n # @return `a * b % m`\n proc quo*(self: Barrett, n:int | uint):int =\n let n = n.uint\n let x = calc_mul(n.culonglong, self.im.culonglong).uint\n let r = n - x * self.m\n return int(if self.m <= r: x - 1 else: x)\n proc rem*(self: Barrett, n:int | uint):int =\n let n = n.uint\n let x = calc_mul(n.culonglong, self.im.culonglong).uint\n let r = n - x * self.m\n return int(if self.m <= r: r + self.m else: r)\n proc quorem*(self: Barrett, n:int | uint):(int, int) =\n let n = n.uint\n let x = calc_mul(n.culonglong, self.im.culonglong).uint\n let r = n - x * self.m\n return if self.m <= r: (int(x - 1), int(r + self.m)) else: (int(x), int(r))\n \n proc pow*(self: Barrett, n:uint | int, p:int):int =\n var\n a = self.rem(n)\n r:uint = if self.m == 1: 0 else: 1\n p = p\n while p > 0:\n if (p and 1) != 0: r = self.mul(r, a.uint)\n a = self.mul(a.uint, a.uint).int\n p = p shr 1\n return int(r)\n \n proc mul*(self: Barrett, a:uint, b:uint):uint {.inline.} =\n # [1] m = 1\n # a = b = im = 0, so okay\n \n # [2] m >= 2\n # im = ceil(2^64 / m)\n # -> im * m = 2^64 + r (0 <= r < m)\n # let z = a*b = c*m + d (0 <= c, d < m)\n # a*b * im = (c*m + d) * im = c*(im*m) + d*im = c*2^64 + c*r + d*im\n # c*r + d*im < m * m + m * im < m * m + 2^64 + m <= 2^64 + m * (m + 1) < 2^64 * 2\n # ((ab * im) >> 64) == c or c + 1\n let z = a * b\n # #ifdef _MSC_VER\n # unsigned long long x;\n # _umul128(z, im, &x);\n # #else\n ##TODO\n # unsigned long long x =\n # (unsigned long long)(((unsigned __int128)(z)*im) >> 64);\n # #endif\n #let x = calc_mul(z.culonglong, self.im.culonglong).uint\n #result = z - x * self.m\n #if self.m <= result: result += self.m\n return self.rem(z).uint\n \n # @param n `0 <= n`\n # @param m `1 <= m`\n # @return `(x ** n) % m`\n proc pow_mod_constexpr*(x, n, m:int):int =\n if m == 1: return 0\n var\n r = 1\n y = floorMod(x, m)\n n = n\n while n != 0:\n if (n and 1) != 0: r = (r * y) mod m\n y = (y * y) mod m\n n = n shr 1\n return r.int\n \n # Reference:\n # M. Forisek and J. Jancina,\n # Fast Primality Testing for Integers That Fit into a Machine Word\n # @param n `0 <= n`\n proc is_prime_constexpr*(n:int):bool =\n if n <= 1: return false\n if n == 2 or n == 7 or n == 61: return true\n if n mod 2 == 0: return false\n var d = n - 1\n while d mod 2 == 0: d = d div 2\n for a in [2, 7, 61]:\n var\n t = d\n y = pow_mod_constexpr(a, t, n)\n while t != n - 1 and y != 1 and y != n - 1:\n y = y * y mod n\n t = t shl 1\n if y != n - 1 and t mod 2 == 0:\n return false\n return true\n proc is_prime*[n:static[int]]():bool = is_prime_constexpr(n)\n # \n # # @param b `1 <= b`\n # # @return pair(g, x) s.t. g = gcd(a, b), xa = g (mod b), 0 <= x < b/g\n proc inv_gcd*(a, b:int):(int,int) =\n var a = floorMod(a, b)\n if a == 0: return (b, 0)\n \n # Contracts:\n # [1] s - m0 * a = 0 (mod b)\n # [2] t - m1 * a = 0 (mod b)\n # [3] s * |m1| + t * |m0| <= b\n var\n s = b\n t = a\n m0 = 0\n m1 = 1\n \n while t != 0:\n var u = s div t\n s -= t * u;\n m0 -= m1 * u; # |m1 * u| <= |m1| * s <= b\n \n # [3]:\n # (s - t * u) * |m1| + t * |m0 - m1 * u|\n # <= s * |m1| - t * u * |m1| + t * (|m0| + |m1| * u)\n # = s * |m1| + t * |m0| <= b\n \n var tmp = s\n s = t;t = tmp;\n tmp = m0;m0 = m1;m1 = tmp;\n # by [3]: |m0| <= b/g\n # by g != b: |m0| < b/g\n if m0 < 0: m0 += b div s\n return (s, m0)\n \n # Compile time primitive root\n # @param m must be prime\n # @return primitive root (and minimum in now)\n proc primitive_root_constexpr*(m:int):int =\n if m == 2: return 1\n if m == 167772161: return 3\n if m == 469762049: return 3\n if m == 754974721: return 11\n if m == 998244353: return 3\n var divs:array[20, int]\n divs[0] = 2\n var cnt = 1\n var x = (m - 1) div 2\n while x mod 2 == 0: x = x div 2\n var i = 3\n while i * i <= x:\n if x mod i == 0:\n divs[cnt] = i\n cnt.inc\n while x mod i == 0:\n x = x div i\n i += 2\n if x > 1:\n divs[cnt] = x\n cnt.inc\n var g = 2\n while true:\n var ok = true\n for i in 0..<cnt:\n if pow_mod_constexpr(g, (m - 1) div divs[i], m) == 1:\n ok = false\n break\n if ok: return g\n g.inc\n proc primitive_root*[m:static[int]]():auto =\n primitive_root_constexpr(m)\n \n # @param n `n < 2^32`\n # @param m `1 <= m < 2^32`\n # @return sum_{i=0}^{n-1} floor((ai + b) / m) (mod 2^64)\n proc floor_sum_unsigned*(n, m, a, b:uint):uint =\n result = 0\n var (n, m, a, b) = (n, m, a, b)\n while true:\n if a >= m:\n result += n * (n - 1) div 2 * (a div m)\n a = a mod m\n if b >= m:\n result += n * (b div m)\n b = b mod m\n \n let y_max = a * n + b\n if y_max < m: break\n # y_max < m * (n + 1)\n # floor(y_max / m) <= n\n n = y_max div m\n b = y_max mod m\n swap(m, a)\n discard\n\n proc getBarrett*[T:static[int]](t:typedesc[DynamicModInt[T]]):ptr Barrett =\n var Barrett_of_DynamicModInt {.global.} = initBarrett(998244353.uint)\n return Barrett_of_DynamicModInt.addr\n \n proc getMod*[T:static[int]](t:typedesc[DynamicModInt[T]]):uint32 {.inline.} =\n (t.getBarrett)[].m.uint32\n proc setMod*[T:static[int]](t:typedesc[DynamicModInt[T]], M:SomeInteger){.inline.} =\n (t.getBarrett)[] = initBarrett(M.uint)\n\n proc val*(m: ModInt): int {.inline.} = int(m.a)\n\n proc `$`*(m: StaticModInt or DynamicModInt): string {.inline.} = $(m.val())\n\n template umod*[T:ModInt](self: typedesc[T] or T):uint32 =\n when T is typedesc:\n when T is StaticModInt:\n T.M.uint32\n elif T is DynamicModInt:\n T.getMod()\n else:\n static: assert false\n else: T.umod\n\n template `mod`*[T:ModInt](self:typedesc[T] or T):int = T.umod.int\n\n proc init*[T:ModInt](t:typedesc[T], v: SomeInteger or T): auto {.inline.} =\n when v is T: return v\n else:\n when v is SomeUnsignedInt:\n if v.uint < T.umod:\n return T(a:v.uint32)\n else:\n return T(a:(v.uint mod T.umod.uint).uint32)\n else:\n var v = v.int\n if 0 <= v:\n if v < T.mod: return T(a:v.uint32)\n else: return T(a:(v mod T.mod).uint32)\n else:\n v = v mod T.mod\n if v < 0: v += T.mod\n return T(a:v.uint32)\n proc unit*[T:ModInt](t:typedesc[T] or T):T = T.init(1)\n\n template initModInt*(v: SomeInteger or ModInt; M: static[int] = 1_000_000_007): auto =\n StaticModInt[M].init(v)\n\n# TODO\n# converter toModInt[M:static[int]](n:SomeInteger):StaticModInt[M] {.inline.} = initModInt(n, M)\n\n# proc initModIntRaw*(v: SomeInteger; M: static[int] = 1_000_000_007): auto {.inline.} =\n# ModInt[M](v.uint32)\n proc raw*[T:ModInt](t:typedesc[T], v:SomeInteger):auto = T(a:v)\n\n proc inv*[T:ModInt](v:T):T {.inline.} =\n var\n a = v.a.int\n b = T.mod\n u = 1\n v = 0\n while b > 0:\n let t = a div b\n a -= t * b;swap(a, b)\n u -= t * v;swap(u, v)\n return T.init(u)\n\n\n proc `-`*[T:ModInt](m: T): T {.inline.} =\n if int(m.a) == 0: return m\n else: return T(a:m.umod() - m.a)\n\n proc `+=`*[T:ModInt](m: var T; n: SomeInteger | T):T {.inline discardable.} =\n m.a += T.init(n).a\n if m.a >= T.umod: m.a -= T.umod\n return m\n\n proc `-=`*[T:ModInt](m: var T; n: SomeInteger | T):T {.inline discardable.} =\n m.a -= T.init(n).a\n if m.a >= T.umod: m.a += T.umod\n return m\n\n proc `*=`*[T:ModInt](m: var T; n: SomeInteger | T):T {.inline discardable.} =\n when T is StaticModInt:\n m.a = (m.a.uint * T.init(n).a.uint mod T.umod).uint32\n elif T is DynamicModInt:\n m.a = T.getBarrett[].mul(m.a.uint, T.init(n).a.uint).uint32\n else:\n static: assert false\n return m\n\n proc `/=`*[T:ModInt](m: var T; n: SomeInteger | T):T {.inline discardable.} =\n m.a = (m.a.uint * T.init(n).inv().a.uint mod T.umod).uint32\n return m\n\n generateDefinitions(`+`, m, n, ModInt, SomeInteger):\n result = T.init(m)\n result += n\n\n generateDefinitions(`-`, m, n, ModInt, SomeInteger):\n result = T.init(m)\n result -= n\n\n generateDefinitions(`*`, m, n, ModInt, SomeInteger):\n result = T.init(m)\n result *= n\n\n generateDefinitions(`/`, m, n, ModInt, SomeInteger):\n result = T.init(m)\n result /= n\n\n generateDefinitions(`==`, m, n, ModInt, SomeInteger):\n result = (T.init(m).val() == T.init(n).val())\n\n proc inc*(m: var ModInt):ModInt {.inline discardable.} =\n m.a.inc\n if m.a == m.umod.uint32:\n m.a = 0\n return m\n proc `++`*(m: var ModInt):ModInt {.inline discardable.} = m.inc\n\n proc dec*(m: var ModInt):ModInt {.inline discardable.} =\n if m.a == 0.uint32:\n m.a = m.umod - 1\n else:\n m.a.dec\n return m\n proc `--`*(m: var ModInt):ModInt {.inline discardable.} = m.dec\n\n generatePow(ModInt)\n \n # TODO: intのところはSomeIntegerに拡張したいがそうするとSystem.nimのuintのconverterとバッティングする。。。\n template useStaticModint*(name, M) =\n generateConverter(name, int, StaticModInt[M])\n template useDynamicModInt*(name, M) =\n generateConverter(name, int, DynamicModInt[M])\n\n # TODO: Nimのstatic[int]を使うconverterがバグっていて個々に宣言しないとconverterが使えない\n # したがって、下記以外のmodintを使う場合はuseStaticModIntあるいはuseDynamicModIntで宣言が必要\n useStaticModInt(modint998244353, 998244353)\n useStaticModInt(modint1000000007, 1000000007)\n useDynamicModInt(modint, -1)\n\n import std/math as math_lib_modint\n proc estimateRational*(a:ModInt, ub:int = int(sqrt(float(ModInt.mod))), output_stderr:static[bool] = false):string =\n var v:seq[tuple[s, n, d: int]]\n for d in 1 .. ub:\n var n = (a * d).val\n # n or mod - n\n if n * 2 > a.mod:\n n = - (a.mod - n)\n if gcd(n, d) > 1: continue\n v.add((n.abs + d, n, d))\n v.sort\n when output_stderr:\n stderr.write \"estimation result: \", v\n return $v[0].n & \"/\" & $v[0].d\n\n # TODO:\n # Modint -> intのconverterあるとmint(2) * 3みたいなのがintになっちゃう\n # converter toInt*(m: ModInt):int {.inline.} = m.val\n\n\n discard\n" # see https://github.com/zer0-star/Nim-ACL/tree/master/src/atcoder/mincostflow.nim ImportExpand "atcoder/maxflow.nim" <=== "when not declared ATCODER_MAXFLOW_HPP:\n const ATCODER_MAXFLOW_HPP* = 1\n \n #[ import atcoder/internal_queue ]#\n when not declared ATCODER_INTERNAL_QUEUE_HPP:\n const ATCODER_INTERNAL_QUEUE_HPP* = 1\n \n type simple_queue[T] = object\n payload:seq[T]\n pos:int\n proc init_simple_queue*[T]():auto = simple_queue[T](payload:newSeq[T](), pos:0)\n # TODO\n # void reserve(int n) { payload.reserve(n); }\n proc len*[T](self:simple_queue[T]):int = self.payload.len - self.pos\n proc empty*[T](self:simple_queue[T]):bool = self.pos == self.payload.len\n proc push*[T](self:var simple_queue[T], t:T) = self.payload.add(t)\n proc front*[T](self:simple_queue[T]):T = self.payload[self.pos]\n proc clear*[T](self:var simple_queue[T]) =\n self.payload.setLen(0)\n self.pos = 0;\n proc pop*[T](self:var simple_queue[T]) = self.pos.inc\n discard\n import std/algorithm\n\n type MFInternalEdge[Cap] = object\n dst, rev:int\n cap:Cap\n \n type MFGraph*[Cap] = object\n len*:int\n pos:seq[(int,int)]\n g:seq[seq[MFInternalEdge[Cap]]]\n \n proc init_mf_graph*[Cap](n:int):auto = MFGraph[Cap](len:n, g:newSeq[seq[MFInternalEdge[Cap]]](n))\n proc initMaxFlow*[Cap](n:int):auto = MFGraph[Cap](len:n, g:newSeq[seq[MFInternalEdge[Cap]]](n))\n \n proc add_edge*[Cap](self: var MFGraph[Cap], src, dst:int, cap:Cap):int {.discardable.}=\n assert src in 0..<self.len\n assert dst in 0..<self.len\n assert 0.Cap <= cap\n let m = self.pos.len\n self.pos.add((src, self.g[src].len))\n var src_id = self.g[src].len\n var dst_id = self.g[dst].len\n if src == dst: dst_id.inc\n self.g[src].add(MFInternalEdge[Cap](dst:dst, rev:dst_id, cap:cap))\n self.g[dst].add(MFInternalEdge[Cap](dst:src, rev:src_id, cap:0))\n return m\n \n type MFEdge*[Cap] = object\n src*, dst*:int\n cap*, flow*:Cap\n \n proc get_edge*[Cap](self: MFGraph[Cap], i:int):MFEdge[Cap] =\n let m = self.pos.len\n assert i in 0..<m\n let e = self.g[self.pos[i][0]][self.pos[i][1]]\n let re = self.g[e.dst][e.rev]\n return MFEdge[Cap](src:self.pos[i][0], dst:e.dst, cap:e.cap + re.cap, flow:re.cap)\n\n proc edges*[Cap](self: MFGraph[Cap]):seq[MFEdge[Cap]] =\n let m = self.pos.len\n result = newSeqOfCap[MFEdge[Cap]](m)\n for i in 0..<m:\n result.add(self.get_edge(i))\n\n proc change_edge*[Cap](self: var MFGraph[Cap], i:int, new_cap, new_flow:Cap) =\n let m = self.pos.len\n assert i in 0..<m\n assert new_flow in 0..new_cap\n var e = self.g[self.pos[i][0]][self.pos[i][1]].addr\n var re = self.g[e[].dst][e[].rev].addr\n e[].cap = new_cap - new_flow\n re[].cap = new_flow\n\n proc flow*[Cap](self: var MFGraph[Cap], s, t:int, flow_limit:Cap):Cap =\n assert s in 0..<self.len\n assert t in 0..<self.len\n assert s != t\n \n var level, iter = newSeq[int](self.len)\n var que = init_simple_queue[int]()\n# internal::simple_queue<int> que;\n \n proc bfs(self: MFGraph[Cap]) =\n level.fill(-1)\n level[s] = 0\n que.clear()\n que.push(s)\n while not que.empty():\n let v = que.front()\n que.pop()\n for e in self.g[v]:\n if e.cap == 0 or level[e.dst] >= 0: continue\n level[e.dst] = level[v] + 1\n if e.dst == t: return\n que.push(e.dst)\n proc dfs(self: var MFGraph[Cap], v:int, up:Cap):Cap =\n if v == s: return up\n result = Cap(0)\n let level_v = level[v]\n var i = iter[v].addr\n while i[] < self.g[v].len:\n let e = self.g[v][i[]].addr\n if level_v <= level[e[].dst] or self.g[e[].dst][e[].rev].cap == 0:\n i[].inc\n continue\n let d = self.dfs(e.dst, min(up - result, self.g[e[].dst][e[].rev].cap))\n if d <= 0:\n i[].inc\n continue\n self.g[v][i[]].cap += d\n self.g[e[].dst][e[].rev].cap -= d\n result += d\n if result == up: return\n i[].inc\n level[v] = self.len\n\n var flow = Cap(0)\n while flow < flow_limit:\n self.bfs()\n if level[t] == -1: break\n iter.fill(0)\n let f = self.dfs(t, flow_limit - flow)\n if f == Cap(0): break\n flow += f\n return flow\n\n proc flow*[Cap](self: var MFGraph[Cap], s,t:int):auto = self.flow(s, t, Cap.high)\n\n proc min_cut*[Cap](self:MFGraph[Cap], s:int):seq[bool] =\n var visited = newSeq[bool](self.len)\n var que = init_simple_queue[int]()\n que.push(s)\n while not que.empty():\n let p = que.front()\n que.pop()\n visited[p] = true\n for e in self.g[p]:\n if e.cap != Cap(0) and not visited[e.dst]:\n visited[e.dst] = true\n que.push(e.dst)\n return visited\n discard\n" var N,P,Q = ii() var A = lii(N) var I = A.mapit(powmod(10,it,P)) var J = A.mapit(powmod(9,it,P)) var K = A.mapit(powmod(7,it,P)) var L = A.mapit(powmod(5,it,P)) var ans = 0 for a in range(N): for b in range(a+1,N): for c in range(b+1,N): for d in range(c+1,N): if (I[a]+J[b]+K[c]+L[d])%P == Q: ans += 1 echo ans