Compilare: user.c: In function ‘main’: user.c:47:14: warning: variable ‘ext’ set but not used [-Wunused-but-set-variable] char lit,ext; ^ user.c:48:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&n,&x,&y,&q); ^ user.c:66:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&x,&nr); ^ user.c: In function ‘CautBinLin’: user.c:17:14: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(l[rasp+1][cif]==x) ^ user.c: In function ‘CautBinCol’: user.c:36:14: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(c[rasp+1][cif]==x) ^ user.c: In function ‘main’: user.c:36:14: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.c:24:19: note: ‘rasp’ was declared here int l1,l2,mij,rasp; ^ user.c:17:14: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(l[rasp+1][cif]==x) ^ user.c:5:19: note: ‘rasp’ was declared here int l1,l2,mij,rasp; ^