結果
問題 | No.1199 お菓子配り-2 |
ユーザー |
![]() |
提出日時 | 2020-08-28 22:06:47 |
言語 | Go (1.23.4) |
結果 |
AC
|
実行時間 | 121 ms / 1,000 ms |
コード長 | 1,870 bytes |
コンパイル時間 | 11,908 ms |
コンパイル使用メモリ | 233,308 KB |
実行使用メモリ | 11,744 KB |
最終ジャッジ日時 | 2024-11-14 03:32:18 |
合計ジャッジ時間 | 19,052 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 45 |
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) {n := getNextInt(scanner)m := getNextInt(scanner)aa := makeGrid(n, m)ss := make([]int64, n)for i := 0; i < n; i++ {for j := 0; j < m; j++ {aa[i][j] = getNextInt64(scanner)ss[i] += aa[i][j]}}dp := makeGrid(n+1, 2)for i := 0; i < n; i++ {dp[i+1][0] = max(dp[i][0], dp[i][1]-ss[i])dp[i+1][1] = max(dp[i][1], dp[i][0]+ss[i])}fmt.Fprintln(writer, max(dp[n][0], dp[n][1]))}func max(a, b int64) int64 {if a < b {return b}return a}func makeGrid(h, w int) [][]int64 {index := make([][]int64, h, h)data := make([]int64, h*w, h*w)for i := 0; i < h; i++ {index[i] = data[i*w : (i+1)*w]}return index}