Compilare: user.cpp: In function ‘int main()’: user.cpp:9:15: warning: unused variable ‘s’ [-Wunused-variable] int n,i,c,s,p,l,sc,stc,stmax,endmax,smax; ^ user.cpp:9:17: warning: unused variable ‘p’ [-Wunused-variable] int n,i,c,s,p,l,sc,stc,stmax,endmax,smax; ^ user.cpp:9:19: warning: unused variable ‘l’ [-Wunused-variable] int n,i,c,s,p,l,sc,stc,stmax,endmax,smax; ^ user.cpp:7:35: 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:8:37: 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:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:13:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i],&c); ^