Compilare: user.cpp: In function ‘int culoare(int)’: user.cpp:8:17: warning: unused variable ‘a’ [-Wunused-variable] int c=0,s=0,a,b; ^ user.cpp:8:19: warning: unused variable ‘b’ [-Wunused-variable] int c=0,s=0,a,b; ^ user.cpp: In function ‘int main()’: user.cpp:27:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aiacuhexagoane.in","r",stdin); ^ user.cpp:28:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aiacuhexagoane.out","w",stdout); ^ user.cpp:30:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:31:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:34:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&h1,&h2); ^