adicionando soluções java e py

caching-offline/problem.json

@@ -2,7 +2,7 @@
     "version": "1.0",
     "problem": {
         "title": "Caching Offline",
-        "event": "",
+        "event": "DS Contest Tools",
         "time_limit": 1.0,
         "memory_limit_mb": 256,
         "input_file": "stdin",
@@ -22,7 +22,7 @@
         }
     },
     "author": {
-        "name": "",
+        "name": "Arthur Andrade D'Olival ",
         "affiliation": "",
         "country": "",
         "email": ""
@@ -36,7 +36,7 @@
         "run_specific_solution": "",
         "generate_io_only": false,
         "generate_pdf_only": false,
-        "cpu_count": 1,
+        "cpu_count": 0,
         "build_pdf": true,
         "pdf_format": "ds",
         "io_samples": 3