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I'm wondering this too. What is the proof this gives minimum number of swaps? it obviously passes all test cases, but how do you even come to the conclusion that this will give you minimum swaps? I'm just wondering in an interview, if the interviewer asked, how do you KNOW? What am I supposed to say?
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Minimum Swaps 2
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I'm wondering this too. What is the proof this gives minimum number of swaps? it obviously passes all test cases, but how do you even come to the conclusion that this will give you minimum swaps? I'm just wondering in an interview, if the interviewer asked, how do you KNOW? What am I supposed to say?