{"task": {"agent_timeout": 3600, "task": "28", "verifier_timeout": 3600, "instruction": "Solve the following problem. Reason step by step, create the file /app/answer.txt, and put your final answer there. \n\nTask description: Please solve the problem with clear, rigorous, and logically sound steps. At the end of your response, state your answer in exactly this format: 'The answer is $C=X$', where X is your calculated numerical bound value. Example: 'The answer is $C=1$'.\n\nProblem: Let $a, b, c, d \\in \\mathbb{R}$ such that $a^2 + b^2 + c^2 + d^2 = 4$. Find the minimal constant $C$ such that the following inequality holds for all $a, b, c, d$ satisfying the given constraint:\n$$\na^3 + b^3 + c^3 + d^3 \\leq C.\n$$\n\nSolution:", "memory": "", "runnable": false, "difficulty": "difficult", "language": "", "cpus": "", "instruction_truncated": false, "category": "math reasoning", "compose": false, "has_solution": true, "oracle": null, "docker_image": "", "taskset": "ineqmath", "tags": ["IneqMath", "multiple-choice", "bound"]}, "runs": []}