Eroare de compilare: main.cpp: In function 'long long int f(int, int*, int, int)': main.cpp:10:41: error: 'long long int f(int, int*, int, int)' redeclared as different kind of symbol long long f(int x, int v[], int n, int k) ^ main.cpp:7:10: note: previous declaration 'std::ifstream f' ifstream f("pikachu.in"); ^ main.cpp: In function 'int main()': main.cpp:33:25: error: no match for call to '(std::ifstream {aka std::basic_ifstream<char>}) (int, int [100001], int&, int&)' if(f(m-1,v, n, k) > f(m+1,v, n, k)) ^ main.cpp:33:42: error: no match for call to '(std::ifstream {aka std::basic_ifstream<char>}) (int, int [100001], int&, int&)' if(f(m-1,v, n, k) > f(m+1,v, n, k)) ^ main.cpp:38:20: error: no match for call to '(std::ifstream {aka std::basic_ifstream<char>}) (int&, int [100001], int&, int&)' g<<f(st,v, n, k); ^ Non zero exit status: 1