tutorial2.cpp:3:25: error: ISO C++ forbids declaration of 'GetMax' with no type [-fpermissive]
GetMax(int n, int a[200])
^
tutorial2.cpp: In function 'int GetMax(int, int*)':
tutorial2.cpp:6:19: error: 'z' was not declared in this scope
for(int i=0;i<z;i++) scanf("%d",&a[i]);
^
tutorial2.cpp:5:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
~~~~~^~~~~~~~~
tutorial2.cpp:6:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(int i=0;i<z;i++) scanf("%d",&a[i]);
~~~~~^~~~~~~~~~~~