这是2002年所有真题的答案:
0201 ACCDD BDDBA DBCDB ABBCD CDCDC ACDAA ACBBC BDCAC BDABB CDBAB ACABA ACABD AADBB BADDD BCCBB ACBDC CCDCB DADCD ABCCB CABDB BADBD ACCBA DABCC CDCCC BADCC DCCBD BCCCB(LINE18) DBAAD 0205 CBACB ACBCB DDADB ABBCD ADBAA DCABC CCBAC BDADB AADBB CADBC BCDBC ADCCB CACDC DBDCB BDADB DBDAA CADCD CBDBC BDBCC ACAAC ABCDA AABDB BACCD BBBCB BDCCC ADBDA CBCDA ABACC 0208 BDCAB CBBCB DCBCC DACBA BDBBA BDBBB CAACD BCACD BDABC DDBAB DBACB CBCCA BCDBA BADAD ABCAD ADBDA DACAD ADADA ABCCC DDAAB DACBD ADCDB CDCDA ADABC ABBDB DCABD BCDAD CACDC 0209 DDDCC ACDCD CABAC CBADB ABDDC DCCCA CBDAC BDCBC DBAAB BCCDB ADBCA CDDCB ABDBC BDCBC BABDC CBADB BABDB CDADC BAADC CDADB CBDAA DDCCB DADBC ABBCD DCCBC ABBAC 0210 BACBB DCBDD DABDC CDCBC AADAA BCABB DBCAC CDAAA ABDAB DDBCA BCBAC BCADA DCDCB ACBCA CDBCA DBCBA BDABD CDBDA ACBBA ACDBB ABCDA DDBBB DBDCA ACDBC CADAD ACBDC DCBDB CBDCD |