git reimport

archive/2017.04/2017.04.05 - VK Cup 2017 - Wild Card Round 1/TaskI.java

@@ -0,0 +1,61 @@
+package chelper;
+
+import java.util.Arrays;
+
+import io.InputReader;
+import io.OutputWriter;
+
+public class TaskI {
+
+  public static final int MAGIC_KEK = 1000000;
+
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    int n = in.nextInt();
+    String[] strings = new String[n];
+
+    for (int i = 0; i < n; i++) {
+      strings[i] = in.nextString();
+    }
+
+    String e = in.nextString();
+
+    int m = e.length();
+
+    int[] dp = new int[m + 1];
+
+    Arrays.fill(dp, MAGIC_KEK);
+
+    dp[0] = 0;
+
+    for (int i = 0; i < n; i++) {
+      for (int j = 0; j < strings[i].length(); j++) {
+        int c = 0;
+        for (int k = 0; j + k < strings[i].length() && c < e.length(); k++) {
+          if (strings[i].charAt(j + k) == e.charAt(c)) {
+            c++;
+            dp[c] = Math.max(dp[c], 1);
+          }
+        }
+      }
+    }
+
+    for (int i = 0; i < m; i++) {
+      for (int j = 0; j < n; j++) {
+        int c = 0;
+        for (int k = 0; i + c < e.length() && k < strings[j].length(); k++) {
+          if (strings[j].charAt(k) == e.charAt(i + c)) {
+            c++;
+            dp[i + c] = Math.min(dp[i + c], dp[i] + 1);
+          }
+        }
+      }
+    }
+
+    if (dp[m] >= MAGIC_KEK) {
+      out.println(-1);
+    } else {
+
+      out.println(dp[m]);
+    }
+  }
+}