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比赛延长20min，9点半结束！！！

View Compilation Error

2_28700_2181930_31317.c: In function 'main':
2_28700_2181930_31317.c:6:20: error: invalid operands to binary & (have 'char *' and 'int')
  while(scnaf("%d%d"&n,&m)!=EOF)
                    ^