[전현수] 그룹 단어 체커, 수리공 항승, 트럭

src/main/kotlin/hyunsoo/12week/그룹 단어 체커.kt

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+package hyunsoo.`12week`
+
+
+/**
+ * <문제>
+ * [그룹 단어 체커](https://www.acmicpc.net/problem/1316)
+ *
+ * 문자열을 순차탐색하며 등장한 문자들을 list에 담는다.
+ * 이전의 단어와 현재의 단어가 다를 때 바뀐단어가 기존에 등장했다면 그룹단어가 아님!!
+ */
+fun main() {
+
+    val wordCnt = readln().toInt()
+    var groupWordCnt = 0
+
+    repeat(wordCnt) {
+
+        val existedWordList = mutableListOf<Char>()
+        val targetWord = readln()
+        var lastChar = targetWord.first().apply {
+            existedWordList.add(this)
+        }
+
+        targetWord.drop(1).forEach { curChar ->
+            if (lastChar != curChar) {
+                if (curChar in existedWordList) {
+                    return@repeat
+                } else {
+                    existedWordList.add(curChar)
+                    lastChar = curChar
+                }
+            }
+        }
+        groupWordCnt++
+    }
+
+    println(groupWordCnt)
+}

src/main/kotlin/hyunsoo/12week/수리공 항승.kt

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+package hyunsoo.`12week`
+
+/**
+ * <문제>
+ * [수리공 항승](https://www.acmicpc.net/problem/1449)
+ *
+ * 물새는 곳을 하나씩 막아보자앗..!!
+ */
+fun main() {
+
+    val (_, tapeLength) = readln().split(" ").map { it.toInt() }
+    val leakPositionList = readln().split(" ")
+        .map { it.toInt() }
+        .sorted()
+
+    var lastTapedPosition = leakPositionList.first() + tapeLength - 0.5f
+    var tapedCnt = 1
+
+    leakPositionList.drop(1).forEach { leakPosition ->
+        if (lastTapedPosition < leakPosition) {
+            lastTapedPosition = leakPosition + tapeLength - 0.5f
+            tapedCnt++
+        }
+    }
+
+    println(tapedCnt)
+}

src/main/kotlin/hyunsoo/12week/트럭.kt

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+package hyunsoo.`12week`
+
+import java.util.ArrayDeque
+import java.util.Queue
+
+/**
+ * <문제>
+ * [트럭](https://www.acmicpc.net/problem/13335)
+ *
+ *
+ */
+
+data class Truck(var weight: Int, var pos: Int = 1) {
+    fun move() {
+        this.pos++
+    }
+}
+
+fun main() {
+
+    val waitQueue: Queue<Truck> = ArrayDeque()
+    val processQueue: Queue<Truck> = ArrayDeque()
+    var usedTime = 1
+
+    val (_, bridgeLength, bridgeMaxWeight) = readln().split(" ").map { it.toInt() }
+
+    readln().split(" ")
+        .map { it.toInt() }
+        .forEach { weight ->
+            waitQueue.add(Truck(weight))
+        }
+
+    var isArrived = false
+    while (waitQueue.isNotEmpty() || processQueue.isNotEmpty()) {
+
+        usedTime++
+
+        // 최대 하중 무게만큼 트럭 올리기
+        if (waitQueue.isNotEmpty() &&
+            processQueue.sumOf { it.weight } + waitQueue.peek().weight <= bridgeMaxWeight
+        ) {
+            processQueue.add(waitQueue.poll())
+        }
+
+        // 트럭들 이동
+        processQueue.forEach { truck ->
+            truck.apply {
+                move()
+                if (bridgeLength < this.pos) isArrived = true
+            }
+        }
+
+        if (isArrived) {
+            processQueue.poll()
+            isArrived = false
+        }
+    }
+
+    println(usedTime)
+
+}