Main.cc: In function ‘int main()’:
Main.cc:21:16: error: invalid conversion from ‘unsigned int*’ to ‘int*’ [-fpermissive]
nhap_mang(a,n);
^
Main.cc:5:6: note: initializing argument 1 of ‘void nhap_mang(int*, int)’
void nhap_mang(int a[], int n) {
^~~~~~~~~
Main.cc:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < n; i++) {
~~^~~
Main.cc: In function ‘void nhap_mang(int*, int)’:
Main.cc:7:8: 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:19:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
~~~~~^~~~~~~~~~