拉丁方阵 latin 方阵 源码 c++

以下为时间://(all__int64)tocomputethe7*7ittook191.344000seconds//(all__int64)andfindthecorrectanswer=61479419904000.//(all__int64)afterdeletetheprintforans%1000000275.672000seconds//actuallyonlyansisneededtobe__int64for7*7andthetimeneededis//115.735000seconds,thebestsince