View Compilation Error

0_0_28252363_8186.cpp: In function 'int main()':
0_0_28252363_8186.cpp:12:7: error: 'll' was not declared in this scope
       ll sum=0;
       ^
0_0_28252363_8186.cpp:20:7: error: 'sum' was not declared in this scope
       sum=bb[0];
       ^
0_0_28252363_8186.cpp:2:14: error: expected primary-expression before 'long'
 #define long long ll
              ^
0_0_28252363_8186.cpp:23:18: note: in expansion of macro 'long'
         if(sum!=(long long)i*(i+1)) {ok=0;break;}
                  ^
0_0_28252363_8186.cpp:2:14: error: expected ')' before 'long'
 #define long long ll
              ^
0_0_28252363_8186.cpp:23:18: note: in expansion of macro 'long'
         if(sum!=(long long)i*(i+1)) {ok=0;break;}
                  ^
0_0_28252363_8186.cpp:24:7: error: expected ')' before '}' token
       }
       ^
0_0_28252363_8186.cpp:24:7: error: expected primary-expression before '}' token