Compilare: user.cpp: In function ‘int main()’: user.cpp:4:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("buline.in","r",stdin); ^ user.cpp:5:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("buline.out","w",stdout); ^ user.cpp:7:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:9:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i],&tip); ^ user.cpp:6:29: warning: ‘l’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,minim=-2000000001,p,l,sz,le,tip; ^ user.cpp:26:1: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (st[le]+1<p) ^