https://jasper-aa64.github.io/tags/xor/Recent content in Xor on JasperHugoen-usTue, 28 Apr 2026 00:00:00 +0800https://jasper-aa64.github.io/posts/matrix-3-linear-basis/Tue, 28 Apr 2026 00:00:00 +0800https://jasper-aa64.github.io/posts/matrix-3-linear-basis/XOR linear basis: full template with kth, range basis, normalisation; Nowcoder median example; CF 1101G prefix-XOR rank; gym 104768 C XOR-divisibility; Simplex LP solver.https://jasper-aa64.github.io/posts/combinatorics-0-common-formulae-conclusions/Mon, 20 Apr 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/combinatorics-0-common-formulae-conclusions/A compact toolkit of geometric sums, floor-sum transformations, XOR facts, Fibonacci identities, and perfect-square patterns.https://jasper-aa64.github.io/posts/combinatorics-1-counting-conclusions/Mon, 20 Apr 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/combinatorics-1-counting-conclusions/常见计数结论、Lucas 定理、不定方程解计数、平面分拆、DAG 路径计数、多项式平移、XOR 均匀性与若干竞赛常用结论。