0_0_25488648_5864.cpp: In function 'int dfs(long long int)': 0_0_25488648_5864.cpp:19:25: error: too many arguments to function 'int dfs(long long int)' dfs(x*f[i],i); ^ 0_0_25488648_5864.cpp:11:5: note: declared here int dfs(LL x) ^