/in/foo.cc: In function 'int main()':
/in/foo.cc:21:22: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   for(int i=1;i+(1<<j-1)<=n;i++)
                     ~^~
/in/foo.cc:22:38: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    Dp[i][j]=max(Dp[i][j-1],Dp[i+(1<<j-1)][j-1]);
                                     ~^~