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题意已知任意一个大于1的数可以表示成一些素数的乘积，即x=p1^e1*p2^e2……pn^en (pi 为素数,ei 为对应素数的个数)，现给你x的表示，要你求x-1的表示。 例：输入：5 1 2 1 则x=5^1*2^1=10,所以x-1=9，9可以表示成：9=3^2 输出：3 2 Followed by: Post your reply here: |
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