git reimport

archive/2018.09/2018.09.18 - unsorted/Task.java

@@ -0,0 +1,39 @@
+package chelper;
+
+import io.InputReader;
+import io.OutputWriter;
+import misc.SimpleSavingChelperSolution;
+
+
+public class Task extends SimpleSavingChelperSolution {
+
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    wrapSolve(testNumber, in, out);
+  }
+
+  @Override
+  public void solve(int testNumber) {
+    int s = in.nextInt();
+    int n = in.nextInt();
+    int[] a = in.nextIntArray(n);
+
+    boolean[][] dp = new boolean[2][s + 1];
+    dp[0][0]= true;
+    for (int i = 1; i < n + 1; i++) {
+      for (int j = 0; j < s + 1; j++) {
+        dp[i % 2][j] = dp[(i - 1) % 2][j];
+        if (j - a[i - 1] >= 0 && dp[(i - 1) % 2][j - a[i - 1]]) {
+          dp[i % 2][j] = true;
+        }
+      }
+    }
+
+    for (int i = s; i >= 0; i--) {
+      if (dp[n % 2][i]) {
+        out.println(i);
+        return;
+      }
+    }
+    out.println(0);
+  }
+}

archive/2018.09/2018.09.18 - unsorted/Task.json

@@ -0,0 +1,38 @@
+{
+  "name" : "Task",
+  "testType" : "SINGLE",
+  "input" : {
+    "type" : "STANDARD",
+    "fileName" : "knapsack.in"
+  },
+  "output" : {
+    "type" : "STANDARD",
+    "fileName" : "knapsack.out"
+  },
+  "tests" : [ {
+    "input" : "10 3\n1 4 8",
+    "output" : "9",
+    "index" : 0,
+    "active" : true
+  }, {
+    "input" : "20 4\n5 7 12 18",
+    "output" : "19",
+    "index" : 1,
+    "active" : true
+  } ],
+  "location" : "src/chelper",
+  "vmArgs" : "-Xmx256m -Xss64m",
+  "mainClass" : "Main",
+  "taskClass" : "chelper.Task",
+  "checkerClass" : "net.egork.chelper.checkers.TokenChecker",
+  "checkerParameters" : "",
+  "testClasses" : [ ],
+  "date" : "2018.09.18",
+  "contestName" : "",
+  "truncate" : true,
+  "inputClass" : "io.InputReader",
+  "outputClass" : "io.OutputWriter",
+  "includeLocale" : false,
+  "failOnOverflow" : false,
+  "interactive" : false
+}

archive/2018.09/2018.09.18 - unsorted/Task2.java

@@ -0,0 +1,50 @@
+package chelper;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import io.InputReader;
+import io.OutputWriter;
+import misc.SimpleSavingChelperSolution;
+
+
+public class Task2 extends SimpleSavingChelperSolution {
+
+  public void solve(int testNumber, InputReader in, OutputWriter out) {
+    wrapSolve(testNumber, in, out);
+  }
+
+  List<Integer> piramidSizes = new ArrayList<>();
+  int max = 300_001;
+  int[] dp = new int[max];
+
+  {
+    piramidSizes.add(0);
+    for (int i = 1; true; i++) {
+      piramidSizes.add(piramidSizes.get(i - 1) + (1 + i) * i / 2);
+      if (piramidSizes.get(i) >= max) {
+        break;
+      }
+    }
+
+    Arrays.fill(dp, max);
+    dp[0] = 0;
+    for (int i = 1; i < max; i++) {
+      for (int j : piramidSizes) {
+        if (j > i) {
+          break;
+        }
+        dp[i] = Math.min(dp[i], dp[i - j] + 1);
+      }
+    }
+  }
+
+  @Override
+  public void solve(int testNumber) {
+
+    int x = in.nextInt();
+    out.println(dp[x]);
+
+  }
+}

archive/2018.09/2018.09.18 - unsorted/Task2.json

@@ -0,0 +1,33 @@
+{
+  "name" : "Task2",
+  "testType" : "MULTI_NUMBER",
+  "input" : {
+    "type" : "STANDARD",
+    "fileName" : "input.txt"
+  },
+  "output" : {
+    "type" : "STANDARD",
+    "fileName" : "output.txt"
+  },
+  "tests" : [ {
+    "input" : "5\n1\n5\n9\n15\n91",
+    "output" : "1\n2\n3\n3\n2",
+    "index" : 0,
+    "active" : true
+  } ],
+  "location" : "src/chelper",
+  "vmArgs" : "-Xmx256m -Xss64m",
+  "mainClass" : "Main",
+  "taskClass" : "chelper.Task2",
+  "checkerClass" : "net.egork.chelper.checkers.TokenChecker",
+  "checkerParameters" : "",
+  "testClasses" : [ ],
+  "date" : "2018.09.18",
+  "contestName" : "",
+  "truncate" : true,
+  "inputClass" : "io.InputReader",
+  "outputClass" : "io.OutputWriter",
+  "includeLocale" : false,
+  "failOnOverflow" : false,
+  "interactive" : false
+}