Compilare: user.c: In function ‘main’: user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d",&cer,&n); ^ user.c:15:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&v[i][0]); ^ user.c:61:21: warning: ‘fm’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[fm][1]=stm; ^ user.c:61:21: warning: ‘stm’ may be used uninitialized in this function [-Wmaybe-uninitialized]