git reimport

archive/2017.04/2017.04.05 - VK Cup 2017 - Wild Card Round 1/I - Composing Of String.task

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+23 I - Composing Of String
+6 SINGLE
+8 STANDARD
+-1
+8 STANDARD
+-1
+4
+0
+13 3
+a
+aa
+a
+aaa
+
+2 2
+
+1
+1
+21 4
+ab
+aab
+aa
+bb
+baaab
+
+2 3
+
+1
+2
+18 2
+aaa
+bbb
+aaacbbb
+
+3 -1
+
+1
+3
+10 2
+ax
+xb
+ab
+1 2
+1
+11 src/chelper
+8 -Xmx256M
+4 Main
+13 chelper.TaskI
+39 net.egork.chelper.checkers.TokenChecker
+0 
+0
+10 2017.04.05
+31 VK Cup 2017 - Wild Card Round 1
+1
+14 io.InputReader
+15 io.OutputWriter
+0
+0

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

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+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]);
+    }
+  }
+}