change e testcase table UI and add CPP validator

judge/migrations/0102_fix_custom_validator.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.2.9 on 2020-03-17 05:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('judge', '0101_custom_validator'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='problemdata',
+            name='checker',
+            field=models.CharField(blank=True, choices=[('standard', 'Standard'), ('floats', 'Floats'), ('floatsabs', 'Floats (absolute)'), ('floatsrel', 'Floats (relative)'), ('rstripped', 'Non-trailing spaces'), ('sorted', 'Unordered'), ('identical', 'Byte identical'), ('linecount', 'Line-by-line'), ('custom', 'Custom checker'), ('customval', 'Custom Validator')], max_length=10, verbose_name='checker'),
+        ),
+        migrations.AlterField(
+            model_name='problemtestcase',
+            name='checker',
+            field=models.CharField(blank=True, choices=[('standard', 'Standard'), ('floats', 'Floats'), ('floatsabs', 'Floats (absolute)'), ('floatsrel', 'Floats (relative)'), ('rstripped', 'Non-trailing spaces'), ('sorted', 'Unordered'), ('identical', 'Byte identical'), ('linecount', 'Line-by-line'), ('custom', 'Custom checker'), ('customval', 'Custom Validator')], max_length=10, verbose_name='checker'),
+        ),
+    ]

judge/migrations/0103_fix_custom_validator.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.9 on 2020-03-17 05:17
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('judge', '0102_fix_custom_validator'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='problemdata',
+            old_name='custom_valid',
+            new_name='custom_validator',
+        ),
+    ]