/in/foo.cc: In function 'int main()':
/in/foo.cc:40:30: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
   scanf("%lld%lld%s",&a,&b,&s);
                              ^
/in/foo.cc:40:30: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int*' [-Wformat=]
/in/foo.cc:40:30: warning: format '%s' expects argument of type 'char*', but argument 4 has type 'char (*)[6]' [-Wformat=]
/in/foo.cc:73:5: error: 'ans' was not declared in this scope
  if(ans>m) cout<<m;
     ^~~