update sungkohan

storage/sungkohan/kt/completed/2025-div2-B.kt

@@ -0,0 +1,29 @@
+fun getMaximumEfficientModules(modules: List<Long>): List<Int> {
+    val sortedModules = modules.withIndex().sortedBy { it.value }
+
+    var maxEff = sortedModules[modules.size - 1].value * 3
+    var curEff = maxEff
+    var maxBound = modules.size - 1
+    for (i in modules.size - 2 downTo 0) {
+        val delta = 2 * sortedModules[i].value - sortedModules[i + 1].value
+        curEff += delta
+        if(curEff > maxEff) {
+            maxEff = curEff
+            maxBound = i
+        }
+
+    }
+    return sortedModules.slice(maxBound until sortedModules.size).map {
+        it.index + 1
+    }
+}
+
+fun main() = with(System.`in`.bufferedReader()) {
+    this.readLine()
+    val modules = this.readLine().split(" ").map { it.toLong() }
+
+    getMaximumEfficientModules(modules).run {
+        println(this.size)
+        println(this.joinToString(" "))
+    }
+}