31 lines
613 B
Go
31 lines
613 B
Go
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
)
|
|
|
|
func main() {
|
|
file, err := os.Open("./input.txt")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer file.Close()
|
|
scanner := bufio.NewScanner(file)
|
|
var sum int = 0
|
|
var first [2]int
|
|
var second [2]int
|
|
for scanner.Scan() {
|
|
fmt.Sscanf(scanner.Text(), "%d-%d,%d-%d", &first[0], &first[1], &second[0], &second[1])
|
|
if first[0] >= second[0] && first[0] <= second[1] ||
|
|
first[1] <= second[0] && first[1] >= second[1] ||
|
|
second[0] >= first[0] && second[0] <= first[1] ||
|
|
second[1] >= first[0] && second[1] <= first[1] {
|
|
sum++
|
|
}
|
|
}
|
|
fmt.Println(sum)
|
|
}
|