Compilare: user.cpp: In function ‘void Solve(int, int, int)’: user.cpp:108:44: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d %d\n", x * c / gcd, y * c / gcd); ^ user.cpp:108:44: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] user.cpp: In function ‘int main()’: user.cpp:150:8: warning: statement is a reference, not call, to function ‘Duxar’ [-Waddress] Duxar; ^ user.cpp:150:8: warning: statement has no effect [-Wunused-value] user.cpp:136:51: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen((file_input + ".in").c_str(), "r", stdin); ^ user.cpp:137:53: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen((file_input + ".out").c_str(), "w", stdout); ^