結果
問題 | No.866 レベルKの正方形 |
ユーザー | ccppjsrb |
提出日時 | 2020-06-10 10:08:50 |
言語 | Go (1.22.1) |
結果 |
AC
|
実行時間 | 1,478 ms / 6,000 ms |
コード長 | 2,963 bytes |
コンパイル時間 | 14,652 ms |
コンパイル使用メモリ | 230,544 KB |
実行使用メモリ | 326,056 KB |
最終ジャッジ日時 | 2024-06-22 05:43:26 |
合計ジャッジ時間 | 36,028 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1,383 ms
324,192 KB |
testcase_09 | AC | 1,296 ms
326,048 KB |
testcase_10 | AC | 1,453 ms
326,052 KB |
testcase_11 | AC | 1,451 ms
326,052 KB |
testcase_12 | AC | 1,282 ms
326,056 KB |
testcase_13 | AC | 1,461 ms
326,052 KB |
testcase_14 | AC | 1,161 ms
326,056 KB |
testcase_15 | AC | 1,439 ms
326,056 KB |
testcase_16 | AC | 1,352 ms
326,052 KB |
testcase_17 | AC | 1,462 ms
326,056 KB |
testcase_18 | AC | 1,478 ms
326,052 KB |
testcase_19 | AC | 1,077 ms
326,052 KB |
testcase_20 | AC | 965 ms
326,052 KB |
testcase_21 | AC | 1,160 ms
326,052 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,944 KB |
ソースコード
package main import ( "bufio" "fmt" "math/bits" "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.Stdin wfp := os.Stdout extra := 0 if 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) { h := getNextInt(scanner) w := getNextInt(scanner) k := getNextInt(scanner) sq := makeGrid(h, w) for y := 0; y < h; y++ { s := getNextString(scanner) for x := 0; x < w; x++ { sq[y][x].b[0] = sq[y][x].b[0] | uint32(1<<uint(s[x]-'a')) } } for i := 1; i < 16; i++ { z := 1 << uint(i-1) for y := 0; y < h && y+1<<uint(i) <= h; y++ { for x := 0; x < w && x+1<<uint(i) <= w; x++ { sq[y][x].b[i] = sq[y][x].b[i] | sq[y][x].b[i-1] sq[y][x].b[i] = sq[y][x].b[i] | sq[y+z][x].b[i-1] sq[y][x].b[i] = sq[y][x].b[i] | sq[y][x+z].b[i-1] sq[y][x].b[i] = sq[y][x].b[i] | sq[y+z][x+z].b[i-1] } } } var ans int64 for i := 0; i < w; i++ { ans += rangek(0, i, h, w, k, sq) } for i := 1; i < h; i++ { ans += rangek(i, 0, h, w, k, sq) } fmt.Fprintln(writer, ans) } func rangek(y, x, h, w, k int, sq [][]square) int64 { var ans int64 mx := min(h-y, w-x) lowers := make([][2]int, mx+1, mx+1) for lw := 0; lw < 2; lw++ { l := 0 for r := 1; r < mx+1; r++ { for r > l { c := types(y+l, x+l, r-l, sq) if c < k+lw { break } l++ } lowers[r-1][lw] = l ans += int64(lowers[r-1][0] - lowers[r-1][lw]) } } return ans } func types(y, x, m int, sq [][]square) int { z := 32 - bits.LeadingZeros32(uint32(m)) zz := 1 << uint(z-1) b := sq[y][x].b[z-1] b = b | sq[y+m-zz][x].b[z-1] b = b | sq[y][x+m-zz].b[z-1] b = b | sq[y+m-zz][x+m-zz].b[z-1] c := bits.OnesCount32(b) return c } func min(a, b int) int { if a < b { return a } return b } type square struct { b [16]uint32 } func makeGrid(h, w int) [][]square { index := make([][]square, h, h) data := make([]square, h*w, h*w) for i := 0; i < h; i++ { index[i] = data[i*w : (i+1)*w] } return index }