結果
| 問題 | No.2686 商品券の使い道 |
| ユーザー |
👑  seekworser
|
| 提出日時 | 2024-03-20 22:57:16 |
| 言語 | Nim (2.0.2) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 11,592 bytes |
| コンパイル時間 | 6,274 ms |
| コンパイル使用メモリ | 93,952 KB |
| 実行使用メモリ | 19,200 KB |
| 最終ジャッジ日時 | 2024-09-30 09:05:03 |
| 合計ジャッジ時間 | 8,013 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge4 |
（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
5,248 KB |
| testcase_01 | AC | 1 ms
5,248 KB |
| testcase_02 | WA | - |
| testcase_03 | WA | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | WA | - |
| testcase_07 | WA | - |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | AC | 20 ms
7,808 KB |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | AC | 21 ms
7,808 KB |
| testcase_17 | WA | - |
| testcase_18 | AC | 20 ms
7,680 KB |
| testcase_19 | WA | - |
| testcase_20 | AC | 20 ms
7,808 KB |
| testcase_21 | AC | 19 ms
7,680 KB |
| testcase_22 | WA | - |
| testcase_23 | WA | - |
| testcase_24 | WA | - |
| testcase_25 | WA | - |
| testcase_26 | WA | - |
| testcase_27 | AC | 19 ms
7,680 KB |
| testcase_28 | WA | - |
| testcase_29 | WA | - |
| testcase_30 | AC | 66 ms
19,000 KB |
| testcase_31 | WA | - |
| testcase_32 | AC | 65 ms
19,072 KB |
| testcase_33 | AC | 65 ms
18,944 KB |
| testcase_34 | WA | - |
| testcase_35 | AC | 63 ms
18,944 KB |
| testcase_36 | AC | 63 ms
18,944 KB |
| testcase_37 | AC | 64 ms
18,944 KB |
| testcase_38 | AC | 62 ms
18,944 KB |
| testcase_39 | AC | 65 ms
18,944 KB |
| testcase_40 | WA | - |
| testcase_41 | AC | 62 ms
19,060 KB |
| testcase_42 | WA | - |
| testcase_43 | AC | 64 ms
19,072 KB |
| testcase_44 | AC | 64 ms
19,012 KB |
| testcase_45 | WA | - |
| testcase_46 | WA | - |
| evil_random20_1.txt | WA | - |
| evil_random20_2.txt | WA | - |
| evil_random20_3.txt | WA | - |
ソースコード
import macros;macro ImportExpand(s:untyped):untyped = parseStmt($s[2])
{.checks: off.}
ImportExpand "cplib/tmpl/citrus.nim" <=== "when not declared CPLIB_TMPL_CITRUS:\n const CPLIB_TMPL_CITRUS* = 1\n {.warning[UnusedImport]: off.}\n {.hint[XDeclaredButNotUsed]: off.}\n import os\n import algorithm\n import sequtils\n import tables\n import macros\n import std/math\n import sets\n import strutils\n import strformat\n import sugar\n import streams\n import deques\n import bitops\n import heapqueue\n import options\n import hashes\n const MODINT998244353* = 998244353\n const MODINT1000000007* = 1000000007\n const INF* = 100100111\n const INFL* = int(3300300300300300491)\n type double* = float64\n let readNext = iterator(getsChar: bool = false): string {.closure.} =\n while true:\n var si: string\n try: si = stdin.readLine\n except EOFError: yield \"\"\n for s in si.split:\n if getsChar:\n for i in 0..<s.len():\n yield s[i..i]\n else:\n if s.isEmptyOrWhitespace: continue\n yield s\n proc input*(t: typedesc[string]): string = readNext()\n proc input*(t: typedesc[char]): char = readNext(true)[0]\n proc input*(t: typedesc[int]): int = readNext().parseInt\n proc input*(t: typedesc[float]): float = readNext().parseFloat\n macro input*(t: typedesc, n: varargs[int]): untyped =\n var repStr = \"\"\n for arg in n:\n repStr &= &\"({arg.repr}).newSeqWith \"\n parseExpr(&\"{repStr}input({t})\")\n macro input*(ts: varargs[auto]): untyped =\n var tupStr = \"\"\n for t in ts:\n tupStr &= &\"input({t.repr}),\"\n parseExpr(&\"({tupStr})\")\n macro input*(n: int, ts: varargs[auto]): untyped =\n for typ in ts:\n if typ.typeKind != ntyAnything:\n error(\"Expected typedesc, got \" & typ.repr, typ)\n parseExpr(&\"({n.repr}).newSeqWith input({ts.repr})\")\n proc `fmtprint`*(x: int or string or char or bool): string = return $x\n proc `fmtprint`*(x: float or float32 or float64): string = return &\"{x:.16f}\"\n proc `fmtprint`*[T](x: seq[T] or Deque[T] or HashSet[T] or set[T]): string = return x.toSeq.join(\" \")\n proc `fmtprint`*[T, N](x: array[T, N]): string = return x.toSeq.join(\" \")\n proc `fmtprint`*[T](x: HeapQueue[T]): string =\n var q = x\n while q.len != 0:\n result &= &\"{q.pop()}\"\n if q.len != 0: result &= \" \"\n proc `fmtprint`*[T](x: CountTable[T]): string =\n result = x.pairs.toSeq.mapIt(&\"{it[0]}: {it[1]}\").join(\" \")\n proc `fmtprint`*[K, V](x: Table[K, V]): string =\n result = x.pairs.toSeq.mapIt(&\"{it[0]}: {it[1]}\").join(\" \")\n proc print*(prop: tuple[f: File, sepc: string, endc: string, flush: bool], args: varargs[string, `fmtprint`]) =\n for i in 0..<len(args):\n prop.f.write(&\"{args[i]}\")\n if i != len(args) - 1: prop.f.write(prop.sepc) else: prop.f.write(prop.endc)\n if prop.flush: prop.f.flushFile()\n proc print*(args: varargs[string, `fmtprint`]) = print((f: stdout, sepc: \" \", endc: \"\\n\", flush: false), args)\n const LOCAL_DEBUG{.booldefine.} = false\n macro getSymbolName(x: typed): string = x.toStrLit\n macro debug*(args: varargs[untyped]): untyped =\n when LOCAL_DEBUG:\n result = newNimNode(nnkStmtList, args)\n template prop(e: string = \"\"): untyped = (f: stderr, sepc: \"\", endc: e, flush: true)\n for i, arg in args:\n if arg.kind == nnkStrLit:\n result.add(quote do: print(prop(), \"\\\"\", `arg`, \"\\\"\"))\n else:\n result.add(quote do: print(prop(\": \"), getSymbolName(`arg`)))\n result.add(quote do: print(prop(), `arg`))\n if i != args.len - 1: result.add(quote do: print(prop(), \", \"))\n else: result.add(quote do: print(prop(), \"\\n\"))\n else:\n return (quote do: discard)\n proc `%`*(x: SomeInteger, y: SomeInteger): int =\n result = x mod y\n if y > 0 and result < 0: result += y\n if y < 0 and result > 0: result += y\n proc `//`*(x: SomeInteger, y: SomeInteger): int =\n result = x div y\n if y > 0 and result * y > x: result -= 1\n if y < 0 and result * y < x: result -= 1\n proc `^`*(x: SomeInteger, y: SomeInteger): int = x xor y\n proc `&`*(x: SomeInteger, y: SomeInteger): int = x and y\n proc `|`*(x: SomeInteger, y: SomeInteger): int = x or y\n proc `>>`*(x: SomeInteger, y: SomeInteger): int = x shr y\n proc `<<`*(x: SomeInteger, y: SomeInteger): int = x shl y\n proc `%=`*(x: var SomeInteger, y: SomeInteger): void = x = x % y\n proc `//=`*(x: var SomeInteger, y: SomeInteger): void = x = x // y\n proc `^=`*(x: var SomeInteger, y: SomeInteger): void = x = x ^ y\n proc `&=`*(x: var SomeInteger, y: SomeInteger): void = x = x & y\n proc `|=`*(x: var SomeInteger, y: SomeInteger): void = x = x | y\n proc `>>=`*(x: var SomeInteger, y: SomeInteger): void = x = x >> y\n proc `<<=`*(x: var SomeInteger, y: SomeInteger): void = x = x << y\n proc `[]`*(x, n: int): bool = (x and (1 shl n)) != 0\n proc `[]=`*(x: var int, n: int, i: bool) =\n if i: x = x or (1 << n)\n else: (if x[n]: x = x xor (1 << n))\n proc pow*(a, n: int, m = INFL): int =\n var\n rev = 1\n a = a\n n = n\n while n > 0:\n if n % 2 != 0: rev = (rev * a) mod m\n if n > 1: a = (a * a) mod m\n n >>= 1\n return rev\n #[ include cplib/math/isqrt ]#\n when not declared CPLIB_MATH_ISQRT:\n const CPLIB_MATH_ISQRT* = 1\n proc isqrt*(n: int): int =\n var x = n\n var y = (x + 1) shr 1\n while y < x:\n x = y\n y = (x + n div x) shr 1\n return x\n proc chmax*[T](x: var T, y: T): bool {.discardable.} = (if x < y: (x = y; return true; ) return false)\n proc chmin*[T](x: var T, y: T): bool {.discardable.} = (if x > y: (x = y; return true; ) return false)\n proc `max=`*[T](x: var T, y: T) = x = max(x, y)\n proc `min=`*[T](x: var T, y: T) = x = min(x, y)\n proc at*(x: char, a = '0'): int = int(x) - int(a)\n proc Yes*(b: bool = true): void = print(if b: \"Yes\" else: \"No\")\n proc No*(b: bool = true): void = Yes(not b)\n proc YES_upper*(b: bool = true): void = print(if b: \"YES\" else: \"NO\")\n proc NO_upper*(b: bool = true): void = Yes_upper(not b)\n const DXY* = [(0, -1), (0, 1), (-1, 0), (1, 0)]\n const DDXY* = [(1, -1), (1, 0), (1, 1), (0, -1), (0, 1), (-1, -1), (-1, 0), (-1, 1)]\n macro exit*(statement: untyped): untyped = (quote do: (`statement`; quit()))\n"
ImportExpand "cplib/collections/segtree.nim" <=== "when not declared CPLIB_COLLECTIONS_SEGTREE:\n const CPLIB_COLLECTIONS_SEGTREE* = 1\n import algorithm\n type SegmentTree*[T] = ref object\n default: T\n merge: proc(x: T, y: T): T\n arr*: seq[T]\n lastnode: int\n length: int\n proc initSegmentTree*[T](v: seq[T], merge: proc(x: T, y: T): T, default: T): SegmentTree[T] =\n ## セグメントツリーを生成します。\n ## vに元となるリスト、mergeに二つの区間をマージする関数、デフォルトに単位元を与えてください。\n var lastnode = 1\n while lastnode < len(v):\n lastnode*=2\n var arr = newSeq[T](2*lastnode)\n arr.fill(default)\n var self = SegmentTree[T](default: default, merge: merge, arr: arr, lastnode: lastnode, length: len(v))\n #1-indexedで作成する\n for i in 0..<len(v):\n self.arr[self.lastnode+i] = v[i]\n for i in countdown(lastnode-1, 1):\n self.arr[i] = self.merge(self.arr[2*i], self.arr[2*i+1])\n return self\n\n proc update*[T](self: SegmentTree[T], x: Natural, val: T) =\n ## xの要素をvalに変更します。\n assert x < self.length\n var x = x\n x += self.lastnode\n self.arr[x] = val\n while x > 1:\n x = x shr 1\n self.arr[x] = self.merge(self.arr[2*x], self.arr[2*x+1])\n proc get*[T](self: SegmentTree[T], q_left: Natural, q_right: Natural): T =\n ## 半解区間[q_left,q_right)についての演算結果を返します。\n assert q_left <= q_right and 0 <= q_left and q_right <= self.length\n var q_left = q_left\n var q_right = q_right\n q_left += self.lastnode\n q_right += self.lastnode\n var (lres, rres) = (self.default, self.default)\n while q_left < q_right:\n if (q_left and 1) > 0:\n lres = self.merge(lres, self.arr[q_left])\n q_left += 1\n if (q_right and 1) > 0:\n q_right -= 1\n rres = self.merge(self.arr[q_right], rres)\n q_left = q_left shr 1\n q_right = q_right shr 1\n return self.merge(lres, rres)\n proc get*[T](self: SegmentTree[T], segment: HSlice[int, int]): T =\n assert segment.a <= segment.b + 1 and 0 <= segment.a and segment.b+1 <= self.length\n return self.get(segment.a, segment.b+1)\n proc `[]`*[T](self: SegmentTree[T], index: Natural): T =\n assert index < self.length\n return self.arr[index+self.lastnode]\n proc `[]=`*[T](self: SegmentTree[T], index: Natural, val: T) =\n assert index < self.length\n self.update(index, val)\n proc get_all*[T](self: SegmentTree[T]): T =\n ## [0,len(self))区間の演算結果をO(1)で返す\n return self.arr[1]\n proc len*[T](self: SegmentTree[T]): int =\n return self.length\n\n template newSegWith*(V, merge, default: untyped): untyped =\n initSegmentTree(V, (l, r{.inject.}: typeof(default)) => merge, default)\n\n"
var n, m, q = input(int)
var a, b = newSeq[int](n)
for i in 0..<n: (a[i], b[i]) = input(int, int)
proc dp(a, b: seq[int]): Table[(int, int), int] =
var n = a.len
var dp = initTable[(int, int), int](0)
dp[(0, 0)] = 0
for i in 0..<n:
var dpn = dp
for t, v in dp:
var (x, y) = t
if (x + a[i], y) in dpn: dpn[(x + a[i], y)].max = v + b[i]
else: dpn[(x + a[i], y)] = v + b[i]
if (x, y + a[i]) in dpn: dpn[(x, y + a[i])].max = v + b[i]
else: dpn[(x, y + a[i])] = v + b[i]
swap(dp, dpn)
return dp
var dp1 = dp(a[0..<(n//2)], b[0..<(n//2)])
var dp2 = dp(a[(n//2)..<n], b[(n//2)..<n])
# debug(dp1)
# debug(dp2)
var c = dp2.keys.toSeq.mapIt(it[0]).sorted.deduplicate(true)
var add = newSeqWith(c.len, newSeq[(int, int)](0))
for k, v in dp2:
var (x, y) = k
add[c.lowerBound(x)].add((y, v))
var seg = newSegWith(newSeqWith(c.len, -INFL), max(l, r), -INFL)
var qi = dp1.pairs.toseq.mapIt((it[0][0], it[0][1], it[1])).sortedByIt(-it[0])
# debug(c)
var ans = 0
var pos = 0
for (x, y, v) in qi:
# debug(x, y, v)
while pos < c.len and m - x >= c[pos]:
for (yn, vn) in add[pos]:
seg[c.lowerBound(yn)] = max(seg[c.lowerBound(yn)], vn)
pos += 1
var r = c.upperBound(y)
ans.max= seg.get(0..<r) + v
# var d = (0..<c.len).toseq.mapIt(seg[it])
# debug(d)
print(ans)