結果
問題 | No.1748 Parking Lot |
ユーザー | Hima |
提出日時 | 2022-07-02 00:35:22 |
言語 | Go (1.22.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,915 bytes |
コンパイル時間 | 11,613 ms |
コンパイル使用メモリ | 222,072 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-26 08:53:28 |
合計ジャッジ時間 | 11,895 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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
6,820 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 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 1 ms
6,816 KB |
ソースコード
package main import ( "bufio" "errors" "fmt" "math" "os" "sort" "strconv" ) const Mod = 1000000007 var sc = bufio.NewScanner(os.Stdin) var out = bufio.NewWriter(os.Stdout) func main() { buf := make([]byte, 1024*1024) sc.Buffer(buf, bufio.MaxScanTokenSize) sc.Split(bufio.ScanWords) n, k := nextInt(), nextInt() var ans int if k > n-k { ans = (k + 1) / 2 } else { ans = n - k ans = k + (ans+1)/2 } PrintInt(ans) } func nextInt() int { sc.Scan() i, _ := strconv.Atoi(sc.Text()) return i } func nextIntSlice(n int) []int { s := make([]int, n) for i := range s { s[i] = nextInt() } return s } func nextFloat64() float64 { sc.Scan() f, _ := strconv.ParseFloat(sc.Text(), 64) return f } func nextString() string { sc.Scan() return sc.Text() } func PrintInt(x int) { defer out.Flush() fmt.Fprintln(out, x) } func PrintFloat64(x float64) { defer out.Flush() fmt.Fprintln(out, x) } func PrintString(x string) { defer out.Flush() fmt.Fprintln(out, x) } func PrintHorizonaly(x []int) { defer out.Flush() fmt.Fprintf(out, "%d", x[0]) for i := 1; i < len(x); i++ { fmt.Fprintf(out, " %d", x[i]) } fmt.Fprintln(out) } func PrintVertically(x []int) { defer out.Flush() for _, v := range x { fmt.Fprintln(out, v) } } func Abs(x int) int { if x < 0 { return -x } return x } func Min(x, y int) int { if x < y { return x } return y } func Max(x, y int) int { if x < y { return y } return x } func Floor(x, y int) int { return x / y } func Ceil(x, y int) int { return (x + y - 1) / y } func Sqrt(x int) int { x2 := int(math.Sqrt(float64(x))) - 1 for (x2+1)*(x2+1) <= x { x2++ } return x2 } func Gcd(x, y int) int { if x == 0 { return y } if y == 0 { return x } /* if x < y { x, y = y, x } */ return Gcd(y, x%y) } func Lcm(x, y int) int { // x*yのオーバーフロー対策のため先にGcdで割る // Gcd(x, y)はxの約数のため割り切れる ret := x / Gcd(x, y) ret *= y return ret } func Pow(x, y, p int) int { ret := 1 for y > 0 { if y%2 == 1 { ret = ret * x % p } y >>= 1 x = x * x % p } return ret } func Inv(x, p int) int { return Pow(x, p-2, p) } func Permutation(N, K int) int { v := 1 if 0 < K && K <= N { for i := 0; i < K; i++ { v *= (N - i) } } else if K > N { v = 0 } return v } func Factional(N int) int { return Permutation(N, N-1) } func Combination(N, K int) int { if K == 0 { return 1 } if K == 1 { return N } return Combination(N, K-1) * (N + 1 - K) / K } type Comb struct { n, p int fac []int // Factional(i) mod p finv []int // 1/Factional(i) mod p inv []int // 1/i mod p } func NewCombination(n, p int) *Comb { c := new(Comb) c.n = n c.p = p c.fac = make([]int, n+1) c.finv = make([]int, n+1) c.inv = make([]int, n+1) c.fac[0] = 1 c.fac[1] = 1 c.finv[0] = 1 c.finv[1] = 1 c.inv[1] = 1 for i := 2; i <= n; i++ { c.fac[i] = c.fac[i-1] * i % p c.inv[i] = p - c.inv[p%i]*(p/i)%p c.finv[i] = c.finv[i-1] * c.inv[i] % p } return c } func (c *Comb) Factional(x int) int { return c.fac[x] } func (c *Comb) Combination(n, k int) int { if n < k { return 0 } if n < 0 || k < 0 { return 0 } ret := c.fac[n] * c.finv[k] ret %= c.p ret *= c.finv[n-k] ret %= c.p return ret } //重複組み合わせ H func (c *Comb) DuplicateCombination(n, k int) int { return c.Combination(n+k-1, k) } func (c *Comb) Inv(x int) int { return c.inv[x] } func NextPermutation(x sort.Interface) bool { n := x.Len() - 1 if n < 1 { return false } j := n - 1 for ; !x.Less(j, j+1); j-- { if j == 0 { return false } } l := n for !x.Less(j, l) { l-- } x.Swap(j, l) for k, l := j+1, n; k < l; { x.Swap(k, l) k++ l-- } return true } func DivideSlice(A []int, K int) ([]int, []int, error) { if len(A) < K { return nil, nil, errors.New("") } return A[:K+1], A[K:], nil } type IntQueue struct { q []int } func NewIntQueue() *IntQueue { return new(IntQueue) } func (this *IntQueue) Push(v int) { this.q = append(this.q, v) } func (this *IntQueue) Pop() (int, error) { if this.Size() == 0 { return -1, errors.New("") } ret := this.q[0] this.q = this.q[1:] return ret, nil } func (this *IntQueue) Size() int { return len(this.q) } func (this *IntQueue) PrintQueue() { fmt.Println(this.q) } type Pos struct { X int Y int D int } type Queue struct { ps []Pos } func NewQueue() *Queue { return new(Queue) } func (this *Queue) Push(p Pos) { this.ps = append(this.ps, p) } func (this *Queue) Pop() *Pos { if len(this.ps) == 0 { return nil } p := this.ps[0] this.ps = this.ps[1:] return &p } func (this *Queue) Find(x, y int) bool { for _, v := range this.ps { if x == v.X && y == v.Y { return true } } return false } func (this *Queue) Size() int { return len(this.ps) } type UnionFind struct { par []int // parent numbers rank []int // height of tree size []int } func NewUnionFind(n int) *UnionFind { if n <= 0 { return nil } u := new(UnionFind) // for accessing index without minus 1 u.par = make([]int, n+1) u.rank = make([]int, n+1) u.size = make([]int, n+1) for i := 0; i <= n; i++ { u.par[i] = i u.rank[i] = 0 u.size[i] = 1 } return u } func (this *UnionFind) Find(x int) int { if this.par[x] == x { return x } else { // compress path // ex. Find(4) // 1 - 2 - 3 - 4 // 1 - 2 // L-3 // L 4 this.par[x] = this.Find(this.par[x]) return this.par[x] } } func (this *UnionFind) Size(x int) int { return this.size[this.Find(x)] } func (this *UnionFind) ExistSameUnion(x, y int) bool { return this.Find(x) == this.Find(y) } func (this *UnionFind) Unite(x, y int) { x = this.Find(x) y = this.Find(y) if x == y { return } // rank if this.rank[x] < this.rank[y] { //yがrootの木にxがrootの木を結合する this.par[x] = y this.size[y] += this.size[x] } else { // this.rank[x] >= this.rank[y] //xがrootの木にyがrootの木を結合する this.par[y] = x this.size[x] += this.size[y] if this.rank[x] == this.rank[y] { this.rank[x]++ } } } func PrintUnionFind(u *UnionFind) { // for debuging. not optimize. fmt.Println(u.par) fmt.Println(u.rank) fmt.Println(u.size) } type BinaryIndexedTree struct { n int nodes []int eval func(x1, x2 int) int } func NewBinaryIndexTree(n int, f func(x1, x2 int) int) *BinaryIndexedTree { bt := new(BinaryIndexedTree) // 1-indexed bt.n = n + 1 bt.nodes = make([]int, bt.n) bt.eval = f return bt } //i(0-indexed)をvに更新する func (bt *BinaryIndexedTree) Update(i, v int) { //bt内部では1-indexedなのでここでインクリメントする i++ for i < bt.n { bt.nodes[i] = bt.eval(bt.nodes[i], v) i += i & -1 } } //i(0-indexed)の値を取得する func (bt *BinaryIndexedTree) Query(i int) int { i++ res := 0 for i > 0 { res = bt.eval(bt.nodes[i], res) i -= i & -i } return res }