AtCoder Regular Contest 124 C - LCM of GCDs (记忆化搜索)

题意:有两个容器\(x\)和\(y\),\(n\)对数\(a[i]\)和\(b[i]\),每次选一对数将\(a[i]\)或者\(b[i]\)放入容器\(x\)或\(y\)中,全部放完后将\ ...