Compilare: user.cpp: In function ‘int algorithm(int)’: user.cpp:13:9: warning: variable ‘auxiliaryColor’ set but not used [-Wunused-but-set-variable] int auxiliaryColor = 0, currentColor, position3, position; ^ user.cpp: In function ‘int main()’: user.cpp:72:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("starcity.in" ,"r", stdin ); ^ user.cpp:73:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("starcity.out","w", stdout); ^ user.cpp:75:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &N); ^ user.cpp:78:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &vector1[i]); ^ user.cpp:85:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &vector2[i]); ^ user.cpp: In function ‘int algorithm(int)’: user.cpp:21:50: warning: ‘position’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (vector1[position] == vector2[position]) { ^