import kotlin.math.max
import kotlin.math.min

class Test45 {
    class Solution {
        fun jump(nums: IntArray): Int {
            if (nums.size == 1){
                return 0
            }
            var i = 0
            var jump = 0
            while (i < nums.size -1){
                if (i+nums[i] >= nums.size-1){ // Jump to self's max is enough
                    return jump +1
                }
                // Perform next jump
                jump++
                // Find next max
                var maxJumpTo = 0 // Jump score = index+value
                var nextIdx = 0
                for (j in i+1 .. min(i+nums[i],nums.size-1)){
                    if (maxJumpTo < j+nums[j]){
                        maxJumpTo = j+nums[j]
                        nextIdx = j //Jump to idx at j
                    }
                }
                i = nextIdx
            }
            return jump
        }
    }

    fun test(): Unit {
        println(Solution().jump(intArrayOf(2,3,1,1,4)))
        println(Solution().jump(intArrayOf(2,3,0,1,4)))
        println(Solution().jump(intArrayOf(0)))
        println(Solution().jump(intArrayOf(3,4,3,2,5,4,3)))
        println(Solution().jump(intArrayOf(1,2)))
        println(Solution().jump(intArrayOf(1,1,1,1)))

    }
}