limbaj.cpp: In function 'int main()': limbaj.cpp:63: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result limbaj.cpp:64: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result limbaj.cpp:67: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result limbaj.cpp:68: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result limbaj.cpp:71: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result limbaj.cpp: In function 'int execute(int, int)': limbaj.cpp:60: warning: control reaches end of non-void function