/in/foo.cc: In function 'int main()':
/in/foo.cc:38:15: warning: 'sum1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   maxtime=sum1+sum2+max(pseat[1],pseat[n]-pseat[n-1]); 
           ~~~~^~~~~
/in/foo.cc:38:15: warning: 'sum2' may be used uninitialized in this function [-Wmaybe-uninitialized]
/in/foo.cc:32:15: warning: 'sum1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   maxtime=midd+sum1+sum2+max(pseat[1]+d[1],pseat[n]-pseat[n-1]+d[n-1]);
           ~~~~^~~~~
/in/foo.cc:32:20: warning: 'sum2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   maxtime=midd+sum1+sum2+max(pseat[1]+d[1],pseat[n]-pseat[n-1]+d[n-1]);
           ~~~~~~~~~^~~~~