foo.cpp:1:2: error: invalid preprocessing directive #incl
 #incl#include<iostream>
  ^
foo.cpp: In function 'int main()':
foo.cpp:17:2: error: 'cin' was not declared in this scope
  cin>>L>>N>>M;
  ^
foo.cpp:41:2: error: 'cout' was not declared in this scope
  cout<<minn;
  ^