/in/foo.cc: In function 'int main()':
/in/foo.cc:65:31: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll {aka long long int}' [-Wformat=]
  printf("%d\n",A.mat[S+1][E+1]);
                               ^
/in/foo.cc:36:20: warning: unused variable 'x' [-Wunused-variable]
  int N,M,S,E,K,Q,T,x,y;
                    ^