简答题

课程名称:蓝桥Python

题目:山谷 给定一个字母矩阵,如果矩阵中的某个位置不在四条边上,而且该位置上的字母小于其上下左右四个位置的字母,则称为一个山谷。 例如,对于如下矩阵 DDDDD CADCE FFFFA 共有两个山谷,位于第二行第二列和第四列。请注意第二行第三列和第三行第五列都不是山谷。 对于如下30行60列的字母矩阵(请用等宽字体查看),请问有多少个山谷? PHQGHUMEAYLNLFDXFIRCVSCXGGBWKFNQDUXWFNFOZVSRTKJPREPGGXRPNRVY STMWCYSYYCQPEVIKEFFMZNIMKKASVWSRENZKYCXFXTLSGYPSFADPOOEFXZBC OEJUVPVABOYGPOEYLFPBNPLJVRVIPYAMYEHWQNQRQPMXUJJLOOVAOWUXWHMS NCBXCOKSFZKVATXDKNLYJYHFIXJSWNKKUFNUXXZRZBMNMGQOOKETLYHNKOAU GZQRCDDIUTEIOJWAYYZPVSCMPSAJLFVGUBFAAOVLZYLNTRKDCPWSRTESJWHD IZCOBZCNFWLQIJTVDWVXHRCBLDVGYLWGBUSBMBORXTLHCSMPXOHGMGNKEUFD XOTOGBGXPEYANFETCUKEPZSHKLJUGGGEKJDQZJENPEVQGXIEPJSRDZJAZUJL LCHHBFQMKIMWZOBIWYBXDUUNFSKSRSRTEKMQDCYZJEEUHMSRQCOZIJIPFION EEDDPSZRNAVYMMTATBDZQSOEMUVNPPPSUACBAZUXMHECTHLEGRPUNKDMBPPW EQTGJOPARMOWZDQYOXYTJBBHAWDYDCPRJBXPHOOHPKWQYUHRQZHNBNFUVQNQ QLRZJPXIOGVLIEXDZUZOSRKRUSVOJBRZMWZPOWKJILEFRAAMDIGPNPUUHGXP QNJWJMWAXXMNSNHHLQQRZUDLTFZOTCJTNZXUGLSDSMZCNOCKVFAJFRMXOTHO WKBJZWUCWLJFRIMPMYHCHZRIWKBARXBGFCBCEYHJUGIXWTBVTREHBBCPXIFB XVFBCGKCFQCKCOTZGKUBMJRMBSZTSSHFROEFWSJRXJHGUZYUPZWWEIQURPIX IQFLDUUVEOOWQCUDHNEFNJHAIMUCZFSKUIDUBURISWTBRECUYKABFCVKDZEZ TOIDUKUHJZEFCZZZBFKQDPQZIKFOBUCDHTHXDJGKJELRLPAXAMCEROSWITDP TPCCLIFKELJYTIHRCQAYBNEFXNXVGZEDYYHNGYCDRUDMPHMECKOTRWOSPOFG HFOZQVLQFXWWKMFXDYYGMDCASZSGOVSODKJGHCWMBMXRMHUYFYQGAJQKCKLZ NAYXQKQOYZWMYUBZAZCPKHKTKYDZIVCUYPURFMBISGEKYRGZVXDHPOAMVAFY RARXSVKHTQDIHERSIGBHZJZUJXMMYSPNARAEWKEGJCCVHHRJVBJTSQDJOOTG PKNFPFYCGFIEOWQRWWWPZSQMETOGEPSPXNVJIUPALYYNMKMNUVKLHSECDWRA CGFMZKGIPDFODKJMJQWIQPUOQHIMVFVUZWYVIJGFULLKJDUHSJAFBTLKMFQR MYJFJNHHSSQCTYDTEAMDCJBPRHTNEGYIWXGCJWLGRSMEAEARWTVJSJBAOIOJ LWHYPNVRUIHOSWKIFYGTYDHACWYHSGEWZMTGONZLTJHGAUHNIHREQGJFWKJS MTPJHAEFQZAAULDRCHJCCDYRFVVRIVUYEEGFIVDRCYGURQDREDAKUBNFGUPR OQYLOBCWQXKZMAUSJGMHCMHGDNMPHNQKAMHURKTRFFACLVGRZKKLDACLLTEO JOMONXRQYJZGINRNNZWACXXAEDRWUDXZRFUSEWJTBOXVYNFHKSTCENAUMNDD XFDMVZCAUTDCCKXAAYDZSXTTOBBGQNGVVPJGOJOGLMKXGBFCPYPCKQCHBDDZ WRXBZMQRLXVOBTWHXGINFGFRCCLMZNMJUGWWBSQFCIHUBSJOLLMSQSGHMCPH ELSOTFLBGSFNPCUZSRUPCHYNVZHCPQUGRIWNIQXDFJPWPXFBLKPNPEELFJMT