Compilare: user.cpp: In function ‘void ReadValues()’: user.cpp:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void createNextStep(char)’: user.cpp:54: warning: operation on ‘Kommand’ may be undefined user.cpp: In function ‘void ReadSteps()’: user.cpp:70: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void ReadEnergyMatrix()’: user.cpp:150: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void Print()’: user.cpp:170: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int SearchBetweenSteps(int, int)’: user.cpp:107: warning: ‘mid’ may be used uninitialized in this function