Run id: 92598

Main.cc: In function 'int main()':
Main.cc:20:21: error: 'sort' was not declared in this scope
         sort(a,a+n-1);
                     ^
Main.cc:26:21: error: 'sort' was not declared in this scope
         sort(a,a+n-1);
                     ^
Main.cc:9:9: warning: unused variable 'b' [-Wunused-variable]
     int b=0,aa;
         ^
Main.cc:9:13: warning: unused variable 'aa' [-Wunused-variable]
     int b=0,aa;
             ^