do : 2023-01-29 #24

src/main/kotlin/BOJ/greedy/13164.kt

@@ -0,0 +1,31 @@
+package BOJ.greedy
+
+import java.util.LinkedList
+import java.util.PriorityQueue
+import java.util.StringTokenizer
+import kotlin.time.Duration.Companion.seconds
+
+fun main(){
+    P13164().solution()
+}
+
+class P13164 {
+    fun solution() = with(System.`in`.bufferedReader()){
+        val st = StringTokenizer(readLine() , " ")
+        val N = st.nextToken().toInt()
+        val total = st.nextToken().toInt()
+        val group  = readLine().split(" ").map{it.toLong()}.toMutableList()
+        val gap = LongArray(N-1){0}
+        for(i in 0 until group.size-1){
+            gap[i]=(group[i+1]-group[i])
+        }
+        gap.sort()
+        var result = 0L
+
+        for(j in 0 until N-total){
+            result+=gap[j]
+        }
+        println(result)
+
+    }
+}