Compilare: user.cpp: In function ‘int main()’: user.cpp:40:19: warning: suggest parentheses around assignment used as truth value [-Wparentheses] v[++v[0]]=f[1]=num=1; ^ user.cpp:34:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,poz; ^ user.cpp:34:13: warning: unused variable ‘poz’ [-Wunused-variable] int i,j,poz; ^ user.cpp:35:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cablaj.in","r",stdin); ^ user.cpp:36:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cablaj.out","w",stdout); ^ user.cpp:37:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:39:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a[i].x,&a[i].y); ^