Eroare de compilare: user.cpp:9: error: ‘int64_t’ does not name a type user.cpp: In function ‘int main()’: user.cpp:16: error: ‘N’ was not declared in this scope user.cpp:17: error: ‘i’ was not declared in this scope user.cpp:19: error: ‘a’ was not declared in this scope user.cpp:20: error: ‘sol’ was not declared in this scope user.cpp:28: error: ‘s’ was not declared in this scope user.cpp:30: error: ‘rez’ was not declared in this scope user.cpp:14: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result