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minimum_bribes.go
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/
minimum_bribes.go
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package main
import (
"bufio"
"fmt"
"os"
)
func minimumBribes(queue []int) {
var i, j int
var moves int
for i = range queue {
if queue[i]-i-1 > 2 {
fmt.Println("Too chaotic")
return
}
for j = max(queue[i]-2, 0); j < i; j++ {
if queue[j] > queue[i] {
moves++
}
}
}
fmt.Println(moves)
}
func max(lhs int, rhs int) int {
if lhs > rhs {
return lhs
}
return rhs
}
func main() {
stdin, err := os.Open(os.Getenv("INPUT_PATH"))
if err != nil {
stdin = os.Stdin
}
defer stdin.Close()
reader := bufio.NewReaderSize(stdin, 1024*1024)
var t, n int
_, err = fmt.Fscan(reader, &t)
checkError(err)
for ; t > 0; t-- {
_, err = fmt.Fscan(reader, &n)
checkError(err)
queue := make([]int, n)
for i := 0; i < n; i++ {
_, err = fmt.Fscan(reader, &queue[i])
checkError(err)
}
minimumBribes(queue)
}
}
func checkError(err error) {
if err != nil {
panic(err)
}
}