feat: problem formatted.

pique-pega/problem.json

@@ -28,7 +28,7 @@
         "email": ""
     },
     "build": {
-        "run_generator": false,
+        "run_generator": true,
         "run_validator": true,
         "produce_outputs": true,
         "run_checker": true,
@@ -39,7 +39,7 @@
         "cpu_count": 1,
         "build_pdf": true,
         "pdf_format": "ds",
-        "io_samples": 0
+        "io_samples": 2
     },
     "solutions": {
         "main-ac": "ac.cpp",