/in/foo.cc: In function 'int main()':
/in/foo.cc:21:32: warning: format '%d' expects argument of type 'int', but argument 2 has type 'LL {aka long long int}' [-Wformat=]
     if(n%2==0) {printf("%d\n",L);return 0;}  
                                ^
/in/foo.cc:32:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'LL {aka long long int}' [-Wformat=]
     printf("%d\n",L);  
                    ^