백준/단계별: 설탕 배달 문제풀이 (#18)

sieunnnn · Sep 22, 2023 · 82bdc90 · 82bdc90
1 parent 11ecf99
commit 82bdc90
Showing 1 changed file with 30 additions and 0 deletions.
diff --git a/src/baekjoon/step/bruteForce/PROB2839.java b/src/baekjoon/step/bruteForce/PROB2839.java
@@ -0,0 +1,30 @@
+package baekjoon.step.bruteForce;
+
+import java.util.Scanner;
+
+public class PROB2839 {
+
+    static Scanner sc = new Scanner(System.in);
+    static int N;
+    static int cnt = 0;
+
+    public static void main(String[] args) {
+        N = sc.nextInt();
+
+        while (true) {
+            if (N % 5 == 0) {
+                cnt += (N / 5);
+                break;
+
+            } else if (N < 0) {
+                cnt = -1;
+                break;
+            }
+
+            N -= 3;
+            cnt ++;
+        }
+
+        System.out.println(cnt);
+    }
+}