Add Cf 255

Author: junk0612

Codeforces/Round254/A/A.java Codeforces/Round254/A.java

@@ -0,0 +1,20 @@
+import java.util.*;
+
+public class A {
+	public static void main(String[] args) {
+		Scanner sc = new Scanner(System.in);
+		int p = sc.nextInt(), n = sc.nextInt();
+		int[] table = new int[p];
+		Arrays.fill(table, -1);
+		for (int i = 0; i < n; i++) {
+			int t = sc.nextInt();
+			if (table[t % p] == -1) {
+				table[t % p] = t;
+				continue;
+			}
+			System.out.println(i + 1);
+			return;
+		}
+		System.out.println(-1);
+	}
+}

Codeforces/Round255/A.java

@@ -0,0 +1,22 @@
+import java.util.*;
+
+public class B {
+	public static void main(String[] args) {
+		Scanner sc = new Scanner(System.in);
+		String s = sc.next();
+		int k = sc.nextInt();
+		int[] table = new int[26];
+		int max = 0;
+		for (int i = 0; i < table.length; i++) {
+			table[i] = sc.nextInt();
+			max = Math.max(table[i], max);
+		}
+		int result = 0;
+		for (int i = 0; i < s.length(); i++)
+			result += table[s.charAt(i) - 'a'] * (i + 1);
+		for (int i = s.length(); i < s.length() + k; i++)
+			result += max * (i + 1);
+		System.out.println(result);
+		sc.close();
+	}
+}