Compilare: user.cpp: In function ‘int main()’: user.cpp:11:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &n); ^ user.cpp:15:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &v[i]); ^ user.cpp:32:23: warning: ‘nmax’ may be used uninitialized in this function [-Wmaybe-uninitialized] nmax=(nmax+d[i][0])%MOD; ^