Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:23: error: ‘sort’ was not declared in this scope sort(a+1,a+n+1,cmp); ^ user.cpp:25:5: error: ‘l’ was not declared in this scope l[n]=1;mx=n; ^ user.cpp:25:12: error: ‘mx’ was not declared in this scope l[n]=1;mx=n; ^ user.cpp:27:9: error: ‘nx’ was not declared in this scope nx[i]=cauta(p[i]+1,n,a[p[i]].x); ^ user.cpp:27:39: error: ‘cauta’ was not declared in this scope nx[i]=cauta(p[i]+1,n,a[p[i]].x); ^ user.cpp:32:12: error: ‘nx’ was not declared in this scope while (nx[i]!=n+1){ ^ user.cpp:21:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:22:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) {fscanf(f,"%d",&v[i]);a[i].x=v[i];a[i].p=i;} ^