Compilare: user.cpp: In function ‘int main()’: user.cpp:9:11: warning: unused variable ‘s’ [-Wunused-variable] int n,x,k,s,c1,c2,pp,q,i,j,l,minn,poz; ^ user.cpp:9:19: warning: variable ‘pp’ set but not used [-Wunused-but-set-variable] int n,x,k,s,c1,c2,pp,q,i,j,l,minn,poz; ^ user.cpp:9:30: warning: unused variable ‘minn’ [-Wunused-variable] int n,x,k,s,c1,c2,pp,q,i,j,l,minn,poz; ^ user.cpp:7:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen ("lapte.in","r",stdin); ^ user.cpp:8:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("lapte.out","w",stdout); ^ user.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:12:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].x,&v[i].y); ^