Compilare: user.c: In function ‘main’: user.c:8:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d%d",&n,&k); ^ user.c:10:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d%d",&g[i],&p[i]); ^ user.c:26:32: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] greutate = greutate - g[poz]; ^