Java Algorithm

Author: par3k

.idea/workspace.xml

@@ -0,0 +1,35 @@
+package BOJ;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.StringTokenizer;
+
+public class BOJ_2858 {
+    private static int R, B;
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+
+        R = Integer.parseInt(st.nextToken());
+        B = Integer.parseInt(st.nextToken());
+
+        for (int i = 3; i < 2000; i++) {
+            for (int j = 3; j < i + 1; j++) {
+                int tmp = (i * 2) + ((j - 2) * 2);
+                if ((tmp == R) && ((i * j) - tmp) == B) {
+                    System.out.println(i + " " + j);
+                }
+            }
+        }
+        br.close();
+    }
+
+
+    /*
+    10 2 >> 4 3
+    12 3 >> 5 3
+    14 4 >> 6 3
+    16 9 >> 5 5
+     */
+}

BOJ_JAVA/out/production/BOJ_JAVA/BOJ/BOJ_2798_2.class

@@ -0,0 +1,40 @@
+package BOJ;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+
+public class BOJ_3040 {
+
+    private static int[] tmp, arr, ans;
+    private static void Combination(int depth, int start, int sum) {
+        if (depth == 7 && sum == 100) {
+            ans = tmp.clone();
+            return;
+        } else if (depth == 7) return;
+
+        for (int i = start; i < 9; i++) {
+            tmp[depth] = arr[i];
+            Combination(depth + 1, i + 1, sum + arr[i]);
+        }
+
+    }
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        arr = new int[9];
+        tmp = new int[7];
+        ans = new int[7];
+
+        for (int i = 0; i  < 9; i++) {
+            arr[i] = Integer.parseInt(br.readLine());
+        }
+
+        Combination(0, 0, 0);
+        for (int i : ans) {
+            System.out.println(i);
+        }
+        br.close();
+
+    }
+}