package main import ( "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.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) { n := getNextInt(scanner) m := getNextInt(scanner) aa := makeGrid(m+1, m+1) for i := 0; i < m; i++ { for j := 0; j < m; j++ { aa[i+1][j+1] = getNextInt64(scanner) } } for i := 0; i < m; i++ { for j := 0; j < m; j++ { aa[i+1][j+1] += aa[i+1][j] } } for j := 0; j < m; j++ { for i := 0; i < m; i++ { aa[i+1][j+1] += aa[i][j+1] } } var ans int for i := 0; i < n; i++ { x := getNextInt(scanner) - 1 y := getNextInt(scanner) - 1 ans = 0 for sx := 0; sx < x+1; sx++ { for sy := 0; sy < y+1; sy++ { for tx := x + 1; tx < m+1; tx++ { for ty := y + 1; ty < m+1; ty++ { if aa[tx][ty]+aa[sx][sy]-(aa[tx][sy]+aa[sx][ty]) == 0 { ans++ } } } } } fmt.Fprintln(writer, ans) } } 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 }