帮小弟我看下,如何编译异常

帮我看下,怎么编译错误C/C++ codetime time01,time02time0223:43:59long t,mt2000msecondsafter(23:59:

帮我看下,怎么编译错误

C/C++ code
time time01,time02time02=23:43:59long t,mt=2000m=secondsafter(23:59:59,time02)if t> (m+1) then      t= t-m-1     time01=relativetime(00:00:00,t)else    time01=relativetime(time02,t)end if



t= t-m-1 这里提示编译错误

[解决办法]
t= t - m - 1