Compilare: user.cpp: In function ‘void CicluEuler(int)’: user.cpp:26:13: warning: unused variable ‘vecin’ [-Wunused-variable] int vecin = it -> first ; ^ user.cpp: In function ‘int main()’: user.cpp:39:13: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp:42:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fotbal2.in","r",stdin); ^ user.cpp:43:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fotbal2.out","w",stdout); ^ user.cpp:45:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&NoNodes , &NoMuchii ); ^ user.cpp:49:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^