Compilare: user.cpp: In function ‘void solve()’: user.cpp:51:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, jmax, x, maxd = 0, imd; ^ user.cpp:51:15: warning: unused variable ‘jmax’ [-Wunused-variable] int i, j, jmax, x, maxd = 0, imd; ^ user.cpp: In function ‘void read()’: user.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:16:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp: In function ‘int main()’: user.cpp:84:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scmax.in","r",stdin); ^ user.cpp:85:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scmax.out","w",stdout); ^ user.cpp: In function ‘void solve()’: user.cpp:77:14: warning: ‘imd’ may be used uninitialized in this function [-Wmaybe-uninitialized] afis(imd); ^