/in/foo.cc: In function 'void moonlateQZ::stlist()':
/in/foo.cc:34:69: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    for(int i=1;i+(1<<j)-1<=n;i++) dp[i][j]=max(dp[i][j-1],dp[i+(1<<j-1)][j-1]);
                                                                    ~^~