Compilare: user.c: In function ‘main’: user.c:172:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&n); ^ user.c:177:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d ",&v[i]); ^ user.c:216:11: warning: ‘maxglobal.poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] s[i] = v[maxglobal.poz]; ^ user.c:218:13: warning: ‘maxglobal.pre’ may be used uninitialized in this function [-Wmaybe-uninitialized] maxglobal = best->k; ^