AtCoder Regular Contest 124 C - LCM of GCDs (記憶化搜索)

題意:有兩個容器\(x\)和\(y\),\(n\)對數\(a[i]\)和\(b[i]\),每次選一對數將\(a[i]\)或者\(b[i]\)放入容器\(x\)或\(y\)中,全部放完后將\ ...