Mã chấm: 99480

Main.cc: In function ‘int main()’:
Main.cc:23:9: 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:24:9: error: expected ‘;’ before ‘printf’
         printf("CO")
         ^~~~~~
Main.cc:23:13: 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 ‘return’
     return 0;
     ^~~~~~
Main.cc:26:5: error: expected ‘)’ before ‘return’
Main.cc:18:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
Main.cc:21:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
   ~~~~~^~~~~~~~~~~~