Compilare: user.cpp: In function ‘void read()’: user.cpp:9:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:11:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i]); ^ user.cpp: In function ‘void solve()’: user.cpp:41:20: warning: ‘maximi’ may be used uninitialized in this function [-Wmaybe-uninitialized] output(i,maxim); ^