Compilare: user.cpp: In function ‘int main()’: user.cpp:29:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,x,rad,l; ^ user.cpp:29:15: warning: unused variable ‘x’ [-Wunused-variable] int n,i,j,x,rad,l; ^ user.cpp:29:17: warning: unused variable ‘rad’ [-Wunused-variable] int n,i,j,x,rad,l; ^ user.cpp:29:21: warning: unused variable ‘l’ [-Wunused-variable] int n,i,j,x,rad,l; ^ user.cpp:27:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("curatenie.in","r",stdin); ^ user.cpp:28:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("curatenie.out","w",stdout); ^ user.cpp:30:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:33:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v0[i]); ^ user.cpp:38:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v1[i]); ^