Submission #64083871

Source Code Expand

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fun main() {
    val N = readln().toInt()
    val A = readln().split( " ").map { it.toInt() }
    val countMap = mutableMapOf<Int, Int>()
    for (i in 0 until N) {
        val num = A[i]
        if (countMap[num] == null) {
            countMap[num] = i + 1
        } else if (countMap[num]!! > 0) {
            countMap[num] = -1
        }
    }
    // {持っている数: 持っている人の番号}
    var kazu = -1
    var bangou = -1
    var ans = -1
    for ((key, value) in countMap) {
        if (key > kazu && value > 0) {
            ans = value
 
 
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fun main() {
    val N = readln().toInt()
    val A = readln().split( " ").map { it.toInt() }
    val countMap = mutableMapOf<Int, Int>()

    for (i in 0 until N) {
        val num = A[i]
        if (countMap[num] == null) {
            countMap[num] = i + 1
        } else if (countMap[num]!! > 0) {
            countMap[num] = -1
        }
    }

    // {持っている数: 持っている人の番号}
    var kazu = -1
    var bangou = -1
    var ans = -1
    for ((key, value) in countMap) {
        if (key > kazu && value > 0) {
            ans = value
            kazu = key
        }
    }

    println(ans)
}

Submission Info

Compile Error

Main.kt:17:9: warning: variable 'bangou' is never used
    var bangou = -1
        ^

Judge Result