Compilare: user.c: In function ‘back’: user.c:47:8: warning: passing argument 3 of ‘verif’ from incompatible pointer type [enabled by default] long sumafinal=verif(n,m,b); ^ user.c:4:6: note: expected ‘int (*)[(sizetype)(m)]’ but argument is of type ‘long int (*)[(sizetype)(m)]’ long verif(int n,int m,int a[n][m]) ^ user.c:32:13: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.c:59:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:66:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.c:70:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&a[i][j]); ^