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What does &= mean for integers?

Правка en1, от thebigjuicyd, 2020-06-05 16:23:48

I just participated in the Div 2 Algo Muse Comp and on question 3, you could use &=. But the &= was not used with booleans. It was used with int, like a &= n — 1; What does the &= mean and do in this int context?

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en1 Английский thebigjuicyd 2020-06-05 16:23:48 249 Initial revision (published)