{ "name": "all_interval_n2__v0_h", "problem_type": "all_interval", "params": { "n": 2 }, "prompt": "Find an all-interval series of size 2. This is a permutation of 0 to 1 such that the absolute differences between consecutive elements are also a permutation of 1 to 1.\n\nReturn a list of 2 integers forming a valid permutation, or state \"UNSATISFIABLE\" if no solution exists.\n\nPartial assignment (fixed values that must be respected):\n- x[0]=0\n- d[0]=1\nReturn a complete solution consistent with these fixed assignments.", "satisfiable": true, "solution": { "x": [ 0, 1 ], "d": [ 1 ] }, "difficulty": { "solve_time_ms": 944.5, "search_space": 2, "num_variables": 3, "num_constraints": 2, "num_edges": -1, "backend": "pycsp", "solve_tier": "medium", "solve_pct_global": 62.22, "solve_pct_type": 4.17 }, "partial_assignment": { "x": { "0": 0 }, "d": { "0": 1 } } }