Main.cc: In function ‘int main()’:
Main.cc:22:19: error: invalid conversion from ‘int’ to ‘int*’ [-fpermissive]
if (luythua(n)) {
^
Main.cc:22:19: error: too few arguments to function ‘int luythua(int*, int)’
Main.cc:11:5: note: declared here
int luythua(int a[], int n) {
^~~~~~~
Main.cc: In function ‘void arrayinput(int*, int)’:
Main.cc:8:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d ", &a[i]);
~~~~~^~~~~~~~~~~~~~
Main.cc: In function ‘int main()’:
Main.cc:20:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d ", &n);
~~~~~^~~~~~~~~~~