rank userid    #1 #2 #3 #4 #5 sum
     1  akashkum  20 10 30 30 50 140
     1  wangying  20 10 30 30 50 140
     1  zhangxin  20 10 30 30 50 140
     1  zhuwenbi  20 10 30 30 50 140
     1  zhuyi     20 10 30 30 50 140
     6  isc07211  20 10 20 30 50 130
     7  chenting  20 10 10 30 50 120
     7  jonathan  20 10 10 30 50 120
     9  phanthix  20 10 10 10 50 100
    10  kohchung  20 10  0  0 50  80
    10  lohyeong   0 10 20 10 40  80
    12  zhoujing  20 10 20  0 25  75
    13  trantuan  20 10  0 10 20  60
    14  johansya  20 10  0  0 20  50
    15  ouyongji   0 10 10 10  0  30
    15  trianaku  20 10  0  0  0  30