Compilare: user.cpp: In function ‘int main()’: user.cpp:8:21: warning: unused variable ‘y’ [-Wunused-variable] int n,t,k,i,j,p,y,x; ^ user.cpp:6:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("culori3.in","r",stdin); ^ user.cpp:7:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("culori3.out","w",stdout); ^ user.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:8:19: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,t,k,i,j,p,y,x; ^