View Compilation Error

0_0_28816877_3276.cpp: In function 'int main()':
0_0_28816877_3276.cpp:11:15: error: 'sort' was not declared in this scope
     sort(a,a+n);
               ^
0_0_28816877_3276.cpp:15:26: error: expected primary-expression before '<=' token
      if((tmp+a[i])/(i+1)/<=w) tmp+=a[i];
                          ^