solve: 호텔

src/main/kotlin/heejik/59week/호텔.kt

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+package heejik.`59week`
+
+import kotlin.math.max
+
+class 호텔 {
+
+    fun solve() {
+        val (c, n) = readln().split(' ').map { it.toInt() }
+        val dp = List(n) { MutableList(size = 100001) { 0 } }
+        val prices = mutableListOf<Int>()
+        val customers = mutableListOf<Int>()
+        repeat(n) { idx ->
+            val (price, customer) = readln().split(' ').map { it.toInt() }
+            dp[idx][price] = customer
+            prices.add(price)
+            customers.add(customer)
+        }
+        for (i in 0 until n) {
+            for (j in 1 until 100001) {
+                if (i == 0) {
+                    if (j - prices[i] >= 0) {
+                        dp[i][j] = dp[i][j - prices[i]] + customers[i]
+                    }
+                } else {
+                    if (j - prices[i] >= 0) {
+                        dp[i][j] = max(dp[i - 1][j], dp[i][j - prices[i]] + customers[i])
+                    } else {
+                        dp[i][j] = max(dp[i - 1][j], dp[i][j])
+                    }
+                }
+            }
+        }
+
+        print(dp[n - 1].indexOfFirst { it >= c })
+    }
+}
+
+fun main() {
+    호텔().solve()
+}