Compilare: user.cpp: In function ‘void upsup(int)’: user.cpp:53:11: warning: unused variable ‘i2’ [-Wunused-variable] int i,i2,j,aux[23][23]; ^ user.cpp:53:14: warning: unused variable ‘j’ [-Wunused-variable] int i,i2,j,aux[23][23]; ^ user.cpp: In function ‘int main()’: user.cpp:68:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pod.in","r",stdin); ^ user.cpp:69:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pod.out","w",stdout); ^ user.cpp:71:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&k); ^ user.cpp:72:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=m;i++) scanf("%d",&lipsa[i]); ^