0_0_29128123_23774.cpp: In function 'int main()':
0_0_29128123_23774.cpp:32:80: error: invalid operands of types '__gnu_cxx::__promote_2<int, long long int, double, double>::__type {aka double}' and 'const ll {aka const long long int}' to binary 'operator%'
for(int i=1;i<=5000;i++)fac[i]=fac[i-1]*i%mod,inv[i]=inv[i-1]*pow(i,mod-2)%mod;
^
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