Main.cc: In function ‘int main()’:
Main.cc:24:9: warning: init-statement in selection statements only available with -std=c++1z or -std=gnu++1z
if (a[0]>(a[n-1]+a[n-2])
^
Main.cc:25:9: error: expected ‘;’ before ‘printf’
printf("CO");
^~~~~~
Main.cc:24:13: warning: statement has no effect [-Wunused-value]
if (a[0]>(a[n-1]+a[n-2])
~~~~^~~~~~~~~~~~~~~~
Main.cc:26:5: error: expected primary-expression before ‘else’
else
^~~~
Main.cc:26:5: error: expected ‘)’ before ‘else’
Main.cc:19:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
~~~~~^~~~~~~~~
Main.cc:22:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&a[i]);
~~~~~^~~~~~~~~~~~