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d8ff16a | 1 2 3 4 5 6 7 8 9 | {
"name": "task_medium_decoder_logic",
"difficulty": "medium",
"description": "Fix the logic error in the 2-to-4 decoder. One output equation uses the wrong input polarity.",
"bug_type": "logic",
"hint": "Check which output should be active for a=0, b=1.",
"expected_sim_output": "a b | y3 y2 y1 y0\n-----------------\n0 0 | 0 0 0 1\n0 1 | 0 0 1 0\n1 0 | 0 1 0 0\n1 1 | 1 0 0 0"
}
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