Compilare: main.c: In function 'get': main.c:35:13: warning: unused variable 'opend' [-Wunused-variable] int opend=(dr-mij)-an[p*2+1]; ^~~~~ main.c: In function 'main': main.c:46:13: warning: unused variable 's' [-Wunused-variable] int n,i,s,q; ^ main.c: In function 'get': main.c:42:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.c: In function 'main': main.c:50:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&n); ^~~~~~~~~~~~~~~~~~ main.c:53:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&v[n-i-1]); ^~~~~~~~~~~~~~~~~~~~~~~~~