/in/foo.cc: In function 'int main()':
/in/foo.cc:10:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%dll",&h[i]);
                     ^
/in/foo.cc:14:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%dll",&t[i]); 
                     ^
/in/foo.cc:13:10: warning: unused variable 'j' [-Wunused-variable]
  for(int j=1,i=1;i<=M;i++){
          ^