Compilare: user.cpp: In function ‘void impartire(int)’: user.cpp:72:15: warning: unused variable ‘x’ [-Wunused-variable] int i, j, x=1, y=1; sol[1]=1; ^ user.cpp:72:20: warning: unused variable ‘y’ [-Wunused-variable] int i, j, x=1, y=1; sol[1]=1; ^ user.cpp: In function ‘int main()’: user.cpp:98:12: warning: unused variable ‘i’ [-Wunused-variable] int n, i, x; ^ user.cpp:98:15: warning: unused variable ‘x’ [-Wunused-variable] int n, i, x; ^ user.cpp:99:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bombar.in","r",stdin); ^ user.cpp:100:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bombar.out","w",stdout); ^ user.cpp:101:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ciur(2*n); ^ user.cpp: In function ‘void inmultire(int)’: user.cpp:50:27: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] aux=c[i]; c[i]=c[j]; c[j]=aux; ^