A knapsack optimizing problem
Difference between en1 and en2, changed 19 character(s)
You're given $n$ integers $a_1,a_2,\dots,a_n$, you need to count the number of ways to choose some of them (no duplicate) to make the sum equal to $S$,. Print the answer in modulo $10^9+7$. How to solve this problem in polynomial time?

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  Rev. Lang. By When Δ Comment
en3 English tzc___wk 2020-04-01 06:00:51 197
en2 English tzc___wk 2019-12-06 17:02:56 19 Tiny change: 'ual to $S$, in modulo' -> 'ual to $S$. Print the answer in modulo'
en1 English tzc___wk 2019-12-06 17:01:08 246 Initial revision (published)