Ifmmmis greater than zero, then print an extra line consisting ofmmmintegers — the vertices chosen in the operations in your solution. If there are multiple solutions with the minimum number of operations, prin
Codeforces.1043F.Make It One(DP 容斥) 题目链接 \(Description\) 给定\(n\)个数\(A_i\),求最少选出多少个数,使得它们的\(\gcd\)为\(1\)。 \(n,A_i\leq3\times10^5\)。 \(Solution\) 首先如果有解,答案不会超过\(7\)(\(7\)个质数的乘积就会大于\(300000\))(但是\(6\)个不会!
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Outputis an array that has aminimum count of each element of N. We need to make some changes in original array to get the output such that cost is minimized. LetC(x, y)becostof changing numberxto numbery, thenC(x, y) = |x-y|. Our task is to minimize the total cost of chang...