Eroare de compilare: user.cpp:8: error: expected ‘]’ before ‘i’ user.cpp: In function ‘void euler(int)’: user.cpp:14: error: ‘Viz’ was not declared in this scope user.cpp:20: error: ‘Viz’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result