結果
問題 | No.16 累乗の加算 |
ユーザー |
![]() |
提出日時 | 2020-07-17 16:47:41 |
言語 | Go (1.23.4) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 2,228 bytes |
コンパイル時間 | 15,402 ms |
コンパイル使用メモリ | 222,116 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-28 23:54:35 |
合計ジャッジ時間 | 16,129 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 14 |
ソースコード
package mainimport ("bufio""fmt""os""strconv")func configure(scanner *bufio.Scanner) {scanner.Split(bufio.ScanWords)scanner.Buffer(make([]byte, 1000005), 1000005)}func getNextString(scanner *bufio.Scanner) string {scanned := scanner.Scan()if !scanned {panic("scan failed")}return scanner.Text()}func getNextInt(scanner *bufio.Scanner) int {i, _ := strconv.Atoi(getNextString(scanner))return i}func getNextInt64(scanner *bufio.Scanner) int64 {i, _ := strconv.ParseInt(getNextString(scanner), 10, 64)return i}func getNextFloat64(scanner *bufio.Scanner) float64 {i, _ := strconv.ParseFloat(getNextString(scanner), 64)return i}func main() {fp := os.Stdinwfp := os.Stdoutextra := 0if os.Getenv("I") == "IronMan" {fp, _ = os.Open(os.Getenv("END_GAME"))extra = 100}scanner := bufio.NewScanner(fp)configure(scanner)writer := bufio.NewWriter(wfp)defer func() {r := recover()if r != nil {fmt.Fprintln(writer, r)}writer.Flush()}()solve(scanner, writer)for i := 0; i < extra; i++ {fmt.Fprintln(writer, "-----------------------------------")solve(scanner, writer)}}func solve(scanner *bufio.Scanner, writer *bufio.Writer) {x := mint(getNextInt(scanner))n := getNextInt(scanner)var ans mintfor i := 0; i < n; i++ {a := mint(getNextInt(scanner))ans.addAs(x.pow(a))}fmt.Fprintln(writer, ans)}type mint int64func (mt mint) mod() mint {m := mint(1e6 + 3)mt %= mif mt < 0 {return mt + m}return mt}func (mt mint) inv() mint {return mt.pow(mint(0).sub(2))}func (mt mint) pow(n mint) mint {p := mint(1)for n > 0 {if n&1 == 1 {p.mulAs(mt)}mt.mulAs(mt)n >>= 1}return p}func (mt mint) add(x mint) mint {return (mt + x).mod()}func (mt mint) sub(x mint) mint {return (mt - x).mod()}func (mt mint) mul(x mint) mint {return (mt * x).mod()}func (mt mint) div(x mint) mint {return mt.mul(x.inv())}func (mt *mint) addAs(x mint) *mint {*mt = mt.add(x)return mt}func (mt *mint) subAs(x mint) *mint {*mt = mt.sub(x)return mt}func (mt *mint) mulAs(x mint) *mint {*mt = mt.mul(x)return mt}func (mt *mint) divAs(x mint) *mint {*mt = mt.div(x)return mt}