Compilare: user.c: In function ‘main’: user.c:20:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &z, &c ); ^ user.c:30:14: warning: array subscript is below array bounds [-Warray-bounds] costume[v[j-1]-'A']--; ^ user.c:56:5: warning: ‘pozj’ may be used uninitialized in this function [-Wmaybe-uninitialized] for ( i = pozi; i <= pozj; i++ ) ^