create dev channel

zeta/kt/completed/33093.kt

@@ -0,0 +1,56 @@
+import java.io.*
+
+class GoldenTicketSolver(
+        val n: Int,
+        val m: Int,
+        val k: Int,
+        val teams: List<Pair<String, String>>
+) {
+
+    fun solve(): List<String> {
+        val goldenticked = mutableListOf<String>()
+        val inst_goldenticked = mutableMapOf<String, Int>()
+        var kcnt = 0
+        for ((index, teaminst) in this.teams.withIndex()) {
+            if (index < this.m) {
+                inst_goldenticked[teaminst.second] = 1
+            } else {
+                if (kcnt >= this.k) {
+                    break
+                }
+                val tmp = inst_goldenticked.getOrDefault(teaminst.second, 0)
+                if (tmp == 0) {
+                    inst_goldenticked[teaminst.second] = 2
+                    goldenticked.add(teaminst.first)
+                    kcnt += 1
+                } else if (tmp == 1) {
+                    continue
+                } else if (tmp == 2) {
+                    continue
+                }
+            }
+        }
+        return goldenticked
+    }
+}
+
+fun main() {
+    val tknz = StreamTokenizer(System.`in`.bufferedReader())
+
+    fun StreamTokenizer.nextInt(): Int {
+        nextToken()
+        return nval.toInt()
+    }
+    fun StreamTokenizer.nextString(): String {
+        nextToken()
+        return sval
+    }
+
+    val (n, m, k) = (1..3).map { tknz.nextInt() }
+    val tms = (1..n).map { Pair(tknz.nextString(), tknz.nextString()) }
+    val solver = GoldenTicketSolver(n, m, k, tms)
+
+    val solved = solver.solve()
+    println(solved.size)
+    solved.forEach { i -> println(i) }
+}