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Zengtudor 2024-10-08 18:38:04 +08:00
parent 4195226207
commit eb95caa631
1 changed files with 1 additions and 1 deletions
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src/P2822/P2822.cpp
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@ -14,7 +14,7 @@ static ull fact(const ull n)noexcept{
if(it != fact_map.end())return (*it).second; if(it != fact_map.end())return (*it).second;
ull ret {1}; ull ret {1};
for(ull i{2};i<=n;i++){ for(ull i{2};i<=n;i++){
ret=(ret*i)%k; ret=(ret%k*i%k);
} }
fact_map.insert({n,ret}); fact_map.insert({n,ret});
return ret; return ret;