DOMjudge · meisterT · Apr 6, 2025 · Mar 29, 2025
diff --git a/webapp/migrations/Version20250323190305.php b/webapp/migrations/Version20250323190305.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250323190305 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE problem ADD types INT NOT NULL COMMENT \'Bitset of problem types, default is pass-fail.\'');
+        $this->addSql('UPDATE problem SET types = 1');
+        $this->addSql('UPDATE problem SET types = 5 WHERE is_multipass_problem = 1');
+        $this->addSql('UPDATE problem SET types = 9 WHERE combined_run_compare = 1');
+        $this->addSql('UPDATE problem SET types = 13 WHERE combined_run_compare = 1 AND is_multipass_problem = 1');
+        $this->addSql('ALTER TABLE problem DROP combined_run_compare, DROP is_multipass_problem');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE problem ADD combined_run_compare TINYINT(1) DEFAULT 0 NOT NULL COMMENT \'Use the exit code of the run script to compute the verdict\', ADD is_multipass_problem TINYINT(1) DEFAULT 0 NOT NULL COMMENT \'Whether this problem is a multi-pass problem.\'');
+        $this->addSql('UPDATE problem SET combined_run_compare = 1 WHERE types = 9 OR types = 13');
+        $this->addSql('UPDATE problem SET is_multipass_problem = 1 WHERE types = 5 OR types = 13');
+        $this->addSql('ALTER TABLE problem DROP types');
+    }
+
+    public function isTransactional(): bool
+    {
+        return false;
+    }
+}
diff --git a/webapp/src/Controller/Jury/ContestController.php b/webapp/src/Controller/Jury/ContestController.php
@@ -714,7 +714,7 @@ public function prefetchAction(Request $request, int $contestId): Response
                 $runConfig = Utils::jsonEncode(
                     [
                         'hash' => $runExec->getHash(),
-                        'combined_run_compare' => $problem->getCombinedRunCompare(),
+                        'combined_run_compare' => $problem->isInteractiveProblem(),
                     ]
                 );
                 $judgeTask = new JudgeTask();

diff --git a/webapp/src/Controller/Jury/ProblemController.php b/webapp/src/Controller/Jury/ProblemController.php
@@ -204,17 +204,10 @@ public function indexAction(): Response
             $problemdata['badges'] = ['value' => $badges];
 
             // merge in the rest of the data
-            $type = '';
-            if ($p->getCombinedRunCompare()) {
-                $type .= ' interactive';
-            }
-            if ($p->isMultipassProblem()) {
-                $type .= ' multi-pass (max passes: ' . $p->getMultipassLimit() . ')';
-            }
             $problemdata = array_merge($problemdata, [
                 'num_contests' => ['value' => (int)($contestCounts[$p->getProbid()] ?? 0)],
                 'num_testcases' => ['value' => (int)$row['testdatacount']],
-                'type' => ['value' => $type],
+                'type' => ['value' => $p->getTypesAsString()],
             ]);
 
             $data_to_add = [
@@ -304,7 +297,7 @@ public function exportAction(int $problemId): StreamedResponse
         $yaml = ['name' => $problem->getName()];
         if (!empty($problem->getCompareExecutable())) {
             $yaml['validation'] = 'custom';
-        } elseif ($problem->getCombinedRunCompare() && !empty($problem->getRunExecutable())) {
+        } elseif ($problem->isInteractiveProblem() && !empty($problem->getRunExecutable())) {
             $yaml['validation'] = 'custom interactive';
         }
 
@@ -340,7 +333,7 @@ public function exportAction(int $problemId): StreamedResponse
         $compareExecutable = null;
         if ($problem->getCompareExecutable()) {
             $compareExecutable = $problem->getCompareExecutable();
-        } elseif ($problem->getCombinedRunCompare()) {
+        } elseif ($problem->isInteractiveProblem()) {
             $compareExecutable = $problem->getRunExecutable();
         }
         if ($compareExecutable) {
@@ -496,13 +489,6 @@ public function viewAction(Request $request, SubmissionService $submissionServic
             page: $request->query->getInt('page', 1),
         );
 
-        $type = '';
-        if ($problem->getCombinedRunCompare()) {
-            $type .= ' interactive';
-        }
-        if ($problem->isMultipassProblem()) {
-            $type .= ' multi-pass (max passes: ' . $problem->getMultipassLimit() . ')';
-        }
         $data = [
             'problem' => $problem,
             'problemAttachmentForm' => $problemAttachmentForm->createView(),
@@ -512,7 +498,7 @@ public function viewAction(Request $request, SubmissionService $submissionServic
             'defaultOutputLimit' => (int)$this->config->get('output_limit'),
             'defaultRunExecutable' => (string)$this->config->get('default_run'),
             'defaultCompareExecutable' => (string)$this->config->get('default_compare'),
-            'type' => $type,
+            'type' => $problem->getTypesAsString(),
             'showContest' => count($this->dj->getCurrentContests(honorCookie: true)) > 1,
             'showExternalResult' => $this->dj->shadowMode(),
             'lockedProblem' => $lockedProblem,

diff --git a/webapp/src/Controller/Jury/SubmissionController.php b/webapp/src/Controller/Jury/SubmissionController.php
@@ -577,7 +577,7 @@ public function viewAction(
             'unjudgableReasons' => $unjudgableReasons,
             'verificationRequired' => (bool)$this->config->get('verification_required'),
             'claimWarning' => $claimWarning,
-            'combinedRunCompare' => $submission->getProblem()->getCombinedRunCompare(),
+            'combinedRunCompare' => $submission->getProblem()->isInteractiveProblem(),
             'requestedOutputCount' => $requestedOutputCount,
             'version_warnings' => [],
             'isMultiPassProblem' => $submission->getProblem()->isMultipassProblem(),

diff --git a/webapp/src/Entity/Problem.php b/webapp/src/Entity/Problem.php
@@ -86,13 +86,6 @@ class Problem extends BaseApiEntity implements
     #[Serializer\Exclude]
     private ?string $special_compare_args = null;
 
-    #[ORM\Column(options: [
-        'comment' => 'Use the exit code of the run script to compute the verdict',
-        'default' => 0,
-    ])]
-    #[Serializer\Exclude]
-    private bool $combined_run_compare = false;
-
     #[Assert\File]
     #[Serializer\Exclude]
     private ?UploadedFile $problemstatementFile = null;
@@ -108,12 +101,24 @@ class Problem extends BaseApiEntity implements
     #[Serializer\Exclude]
     private ?string $problemstatement_type = null;
 
-    #[ORM\Column(options: [
-        'comment' => 'Whether this problem is a multi-pass problem.',
-        'default' => 0,
-    ])]
+    // These types are encoded as bitset - if you add a new type, use the next power of 2.
+    public const TYPE_PASS_FAIL = 1;
+    public const TYPE_SCORING = 2;
+    public const TYPE_MULTI_PASS = 4;
+    public const TYPE_INTERACTIVE = 8;
+    public const TYPE_SUBMIT_ANSWER = 16;
+
+    private array $typesToString = [
+        self::TYPE_PASS_FAIL => 'pass-fail',
+        self::TYPE_SCORING => 'scoring',
+        self::TYPE_MULTI_PASS => 'multi-pass',
+        self::TYPE_INTERACTIVE => 'interactive',
+        self::TYPE_SUBMIT_ANSWER => 'submit-answer',
+    ];
+
+    #[ORM\Column(options: ['comment' => 'Bitmask of problem types, default is pass-fail.'])]
     #[Serializer\Exclude]
-    private bool $isMultipassProblem = false;
+    private int $types = self::TYPE_PASS_FAIL;
 
     #[ORM\Column(
         nullable: true,
@@ -287,26 +292,84 @@ public function getSpecialCompareArgs(): ?string
         return $this->special_compare_args;
     }
 
-    public function setCombinedRunCompare(bool $combinedRunCompare): Problem
+    public function setTypesAsString(array $types): Problem
     {
-        $this->combined_run_compare = $combinedRunCompare;
+        $stringToTypes = array_flip($this->typesToString);
+        $typeConstants = [];
+        foreach ($types as $type) {
+            if (!isset($stringToTypes[$type])) {
+                throw new Exception("Unknown problem type: '$type', must be one of " . implode(', ', array_keys($stringToTypes)));
+            }
+            $typeConstants[$type] = $stringToTypes[$type];
+        }
+        $this->setTypes($typeConstants);
+
         return $this;
     }
 
-    public function getCombinedRunCompare(): bool
+    public function getTypesAsString(): string
+    {
+        $typeConstants = $this->getTypes();
+        $typeStrings = [];
+        foreach ($typeConstants as $type) {
+            if (!isset($this->typesToString[$type])) {
+                throw new Exception("Unknown problem type: '$type'");
+            }
+            $typeStrings[] = $this->typesToString[$type];
+        }
+        return implode(', ', $typeStrings);
+    }
+
+    public function getTypes(): array
     {
-        return $this->combined_run_compare;
+        $ret = [];
+        foreach (array_keys($this->typesToString) as $type) {
+            if ($this->types & $type) {
+                $ret[] = $type;
+            }
+        }
+        return $ret;
     }
 
-    public function setMultipassProblem(bool $isMultipassProblem): Problem
+    public function setTypes(array $types): Problem
     {
-        $this->isMultipassProblem = $isMultipassProblem;
+        $types = array_unique($types);
+        $this->types = 0;
+        foreach ($types as $type) {
+            $this->types |= $type;
+        }
+        if (!($this->types & self::TYPE_PASS_FAIL) xor ($this->types & self::TYPE_SCORING)) {
+            throw new Exception("Invalid problem type: must be exactly one of 'pass-fail' or 'scoring'.");
+        }
+        if ($this->types & self::TYPE_SUBMIT_ANSWER) {
+            if ($this->types & self::TYPE_MULTI_PASS) {
+                throw new Exception("Invalid problem type: 'submit-answer' and 'multi-pass' are mutually exclusive.");
+            }
+            if ($this->types & self::TYPE_INTERACTIVE) {
+                throw new Exception("Invalid problem type: 'submit-answer' and 'interactive' are mutually exclusive.");
+            }
+        }
         return $this;
     }
 
+    public function isInteractiveProblem(): bool
+    {
+        return (bool)($this->types & self::TYPE_INTERACTIVE);
+    }
+
     public function isMultipassProblem(): bool
     {
-        return $this->isMultipassProblem;
+        return (bool)($this->types & self::TYPE_MULTI_PASS);
+    }
+
+    public function isPassFailProblem(): bool
+    {
+        return (bool)($this->types & self::TYPE_PASS_FAIL);
+    }
+
+    public function isScoringProblem(): bool
+    {
+        return (bool)($this->types & self::TYPE_SCORING);
     }
 
     public function setMultipassLimit(?int $multipassLimit): Problem
@@ -317,7 +380,7 @@ public function setMultipassLimit(?int $multipassLimit): Problem
 
     public function getMultipassLimit(): int
     {
-        if ($this->isMultipassProblem) {
+        if ($this->isMultipassProblem()) {
             return $this->multipassLimit ?? 2;
         }
         return 1;

diff --git a/webapp/src/Form/Type/ProblemType.php b/webapp/src/Form/Type/ProblemType.php
@@ -8,6 +8,7 @@
 use Doctrine\ORM\EntityRepository;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\FileType;
 use Symfony\Component\Form\Extension\Core\Type\IntegerType;
 use Symfony\Component\Form\Extension\Core\Type\NumberType;
@@ -78,13 +79,16 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
             'label' => 'Compare script arguments',
             'required' => false,
         ]);
-        $builder->add('combinedRunCompare', CheckboxType::class, [
-            'label' => 'Use run script as compare script.',
-            'required' => false,
-        ]);
-        $builder->add('multipassProblem', CheckboxType::class, [
-            'label' => 'Multi-pass problem',
-            'required' => false,
+        $builder->add('types', ChoiceType::class, [
+            'choices' => [
+                'pass-fail' => Problem::TYPE_PASS_FAIL,
+                'interactive' => Problem::TYPE_INTERACTIVE,
+                'multipass' => Problem::TYPE_MULTI_PASS,
+                'scoring' => Problem::TYPE_SCORING,
+                'submit-answer' => Problem::TYPE_SUBMIT_ANSWER,
+            ],
+            'multiple' => true,
+            'required' => true,
         ]);
         $builder->add('multipassLimit', IntegerType::class, [
             'label' => 'Multi-pass limit',

diff --git a/webapp/src/Service/DOMJudgeService.php b/webapp/src/Service/DOMJudgeService.php
@@ -791,7 +791,7 @@ public function printFile(
      */
     public function getSamplesZipContent(ContestProblem $contestProblem): string
     {
-        if ($contestProblem->getProblem()->getCombinedRunCompare()) {
+        if ($contestProblem->getProblem()->isInteractiveProblem()) {
             throw new NotFoundHttpException(sprintf('Problem p%d has no downloadable samples', $contestProblem->getProbid()));
         }
 
@@ -892,7 +892,7 @@ public function getSamplesZipForContest(Contest $contest): StreamedResponse
         /** @var ContestProblem $problem */
         foreach ($contest->getProblems() as $problem) {
             // We don't include the samples for interactive problems.
-            if (!$problem->getProblem()->getCombinedRunCompare()) {
+            if (!$problem->getProblem()->isInteractiveProblem()) {
                 $this->addSamplesToZip($zip, $problem, $problem->getShortname());
             }
 
@@ -1452,7 +1452,7 @@ public function getCompareConfig(ContestProblem $problem): string
                 'script_memory_limit' => $this->config->get('script_memory_limit'),
                 'script_filesize_limit' => $this->config->get('script_filesize_limit'),
                 'compare_args' => $problem->getProblem()->getSpecialCompareArgs(),
-                'combined_run_compare' => $problem->getProblem()->getCombinedRunCompare(),
+                'combined_run_compare' => $problem->getProblem()->isInteractiveProblem(),
                 'hash' => $compareExecutable->getHash(),
             ]
         );

diff --git a/webapp/src/Service/ImportProblemService.php b/webapp/src/Service/ImportProblemService.php
@@ -204,10 +204,10 @@ public function importZippedProblem(
         // The same holds for the timelimit of the problem.
         if ($problem->getProbid()) {
             $problem
+                ->setTypesAsString(['pass-fail'])
                 ->setCompareExecutable()
                 ->setSpecialCompareArgs('')
                 ->setRunExecutable()
-                ->setCombinedRunCompare(false)
                 ->setMemlimit(null)
                 ->setOutputlimit(null)
                 ->setProblemStatementContent(null)
@@ -277,6 +277,15 @@ public function importZippedProblem(
                         $yamlProblemProperties['name'] = $yamlData['name'];
                     }
                 }
+
+                if (isset($yamlData['type'])) {
+                    $types = explode(' ', $yamlData['type']);
+                    // Validation happens later when we set the properties.
+                    $yamlProblemProperties['typesAsString'] = $types;
+                } else {
+                    $yamlProblemProperties['typesAsString'] = ['pass-fail'];
+                }
+
                 if (isset($yamlData['validator_flags'])) {
                     $yamlProblemProperties['special_compare_args'] = $yamlData['validator_flags'];
                 }
@@ -290,7 +299,10 @@ public function importZippedProblem(
                     }
 
                     if ($yamlData['validation'] == 'custom multi-pass') {
-                        $problem->setMultipassProblem(true);
+                        $yamlProblemProperties['typesAsString'][] = 'multi-pass';
+                    }
+                    if ($yamlData['validation'] == 'custom interactive') {
+                        $yamlProblemProperties['typesAsString'][] = 'interactive';
                     }
                 }
 
@@ -307,7 +319,12 @@ public function importZippedProblem(
                 }
 
                 foreach ($yamlProblemProperties as $key => $value) {
-                    $propertyAccessor->setValue($problem, $key, $value);
+                    try {
+                        $propertyAccessor->setValue($problem, $key, $value);
+                    } catch (Exception $e) {
+                        $messages['danger'][] = sprintf('Error: problem.%s: %s', $key, $e->getMessage());
+                        return null;
+                    }
                 }
             }
         }
@@ -1020,7 +1037,6 @@ private function searchAndAddValidator(ZipArchive $zip, ?array &$messages, strin
                 $this->em->persist($executable);
 
                 if ($combinedRunCompare) {
-                    $problem->setCombinedRunCompare(true);
                     $problem->setRunExecutable($executable);
                 } else {
                     $problem->setCompareExecutable($executable);

diff --git a/webapp/templates/jury/problem.html.twig b/webapp/templates/jury/problem.html.twig
@@ -86,7 +86,7 @@
                         {% endif %}
                     </td>
                 </tr>
-                {% if problem.combinedRunCompare %}
+                {% if problem.isInteractiveProblem %}
                     <tr>
                         <th>Compare script</th>
                         <td>Run script combines run and compare script.</td>