Compilare: user.c: In function ‘main’: user.c:19:9: warning: implicit declaration of function ‘sqrt’ [-Wimplicit-function-declaration] x=sqrt(mx/c[i])+1,x<m?fprintf(fout,"%d\n",x):fprintf(fout,"%d\n",m); ^ user.c:19:11: warning: incompatible implicit declaration of built-in function ‘sqrt’ [enabled by default] x=sqrt(mx/c[i])+1,x<m?fprintf(fout,"%d\n",x):fprintf(fout,"%d\n",m); ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&n,&m); ^ user.c:11:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&c[i]); ^ user.c:14:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&g[i]); ^