Compilare: user.c: In function ‘main’: user.c:45:21: warning: variable ‘moxj’ set but not used [-Wunused-but-set-variable] int mox=-1,moxi,moxj; ^ user.c:45:16: warning: variable ‘moxi’ set but not used [-Wunused-but-set-variable] int mox=-1,moxi,moxj; ^ user.c:39:11: warning: unused variable ‘m’ [-Wunused-variable] int n,m,i,j; ^ user.c:40:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&n); ^ user.c:43:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&v[i][j]); ^