In this problem([problem:1070L]), I used gaussian elimination (O(n^3)) but I have used bitset because I think it will be faster.↵
Finally, I got AC ([submission:44701036]) but I still don't understand all details of bitset's complexity.↵
Thanks for reading my blog
Finally, I got AC ([submission:44701036]) but I still don't understand all details of bitset's complexity.↵
Thanks for reading my blog
