Eroare de compilare: user.cpp:8: error: expected initializer before ‘?’ token user.cpp: In function ‘void read()’: user.cpp:12: warning: unused variable ‘i’ user.cpp:15: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void solve()’: user.cpp:32: error: ‘DP’ was not declared in this scope user.cpp:32: error: ‘REZ’ was not declared in this scope user.cpp: In function ‘void write()’: user.cpp:39: error: ‘REZ’ was not declared in this scope user.cpp:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result