0_0_32853117_10008.cpp:1:1: error: stray '\350' in program
设f(k)为gcd(x,y)=k的数对(x,y)的对数，我们要求的是f(1)
^
0_0_32853117_10008.cpp:1:1: error: stray '\256' in program
0_0_32853117_10008.cpp:1:1: error: stray '\276' in program
0_0_32853117_10008.cpp:1:1: error: stray '\344' in program
0_0_32853117_10008.cpp:1:1: error: stray '\270' in program
0_0_32853117_10008.cpp:1:1: error: stray '\272' in program
0_0_32853117_10008.cpp:1:1: error: stray '\347' in program
0_0_32853117_10008.cpp:1:1: error: stray '\232' in program
0_0_32853117_10008.cpp:1:1: error: stray '\204' in program
0_0_32853117_10008.cpp:1:1: error: stray '\346' in program
0_0_32853117_10008.cpp:1:1: error: stray '\225' in program
0_0_32853117_10008.cpp:1:1: error: stray '\260' in program
0_0_32853117_10008.cpp:1:1: error: stray '\345' in program
0_0_32853117_10008.cpp:1:1: error: stray '\257' in program
0_0_32853117_10008.cpp:1:1: error: stray '\271' in program
0_0_32853117_10008.cpp:1:1: error: stray '\347' in program
0_0_32853117_10008.cpp:1:1: error: stray '\232' in program
0_0_32853117_10008.cpp:1:1: error: stray '\204' in program
0_0_32853117_10008.cpp:1:1: error: stray '\345' in program
0_0_32853117_10008.cpp:1:1: error: stray '\257' in program
0_0_32853117_10008.cpp:1:1: error: stray '\271' in program
0_0_32853117_10008.cpp:1:1: error: stray '\346' in program
0_0_32853117_10008.cpp:1:1: error: stray '\225' in program
0_0_32853117_10008.cpp:1:1: error: stray '\260' in program
0_0_32853117_10008.cpp:1:1: error: stray '\357' in program
0_0_32853117_10008.cpp:1:1: error: stray '\274' in program
0_0_32853117_10008.cpp:1:1: error: stray '\214' in program
0_0_32853117_10008.cpp:1:1: error: stray '\346' in program
0_0_32853117_10008.cpp:1:1: error: stray '\210' in program
0_0_32853117_10008.cpp:1:1: error: stray '\221' in program
0_0_32853117_10008.cpp:1:1: error: stray '\344' in program
0_0_32853117_10008.cpp:1:1: error: stray '\273' in program
0_0_32853117_10008.cpp:1:1: error: stray '\254' in program
0_0_32853117_10008.cpp:1:1: error: stray '\350' in program
0_0_32853117_10008.cpp:1:1: error: stray '\246' in program
0_0_32853117_10008.cpp:1:1: error: stray '\201' in program
0_0_32853117_10008.cpp:1:1: error: stray '\346' in program
0_0_32853117_10008.cpp:1:1: error: stray '\261' in program
0_0_32853117_10008.cpp:1:1: error: stray '\202' in program
0_0_32853117_10008.cpp:1:1: error: stray '\347' in program
0_0_32853117_10008.cpp:1:1: error: stray '\232' in program
0_0_32853117_10008.cpp:1:1: error: stray '\204' in program
0_0_32853117_10008.cpp:1:1: error: stray '\346' in program
0_0_32853117_10008.cpp:1:1: error: stray '\230' in program
0_0_32853117_10008.cpp:1:1: error: stray '\257' in program
0_0_32853117_10008.cpp:2:1: error: stray '\350' in program
设F(k)为gcd(x,y)为k的倍数的数对(x,y)的对数，可以想到F(k)=floor(b/k)*floor(d/k)，
^
0_0_32853117_10008.cpp:2:1: error: stray '\256' in program
0_0_32853117_10008.cpp:2:1: error: stray '\276' in program
0_0_32853117_10008.cpp:2:1: error: stray '\344' in program
0_0_32853117_10008.cpp:2:1: error: stray '\270' in program
0_0_32853117_10008.cpp:2:1: error: stray '\272' in program
0_0_32853117_10008.cpp:2:1: error: stray '\344' in program
0_0_32853117_10008.cpp:2:1: error: stray '\270' in program
0_0_32853117_10008.cpp:2:1: error: stray '\272' in program
0_0_32853117_10008.cpp:2:1: error: stray '\347' in program
0_0_32853117_10008.cpp:2:1: error: stray '\232' in program
0_0_32853117_10008.cpp:2:1: error: stray '\204' in program
0_0_32853117_10008.cpp:2:1: error: stray '\345' in program
0_0_32853117_10008.cpp:2:1: error: stray '\200' in program
0_0_32853117_10008.cpp:2:1: error: stray '\215' in program
0_0_32853117_10008.cpp:2:1: error: stray '\346' in program
0_0_32853117_10008.cpp:2:1: error: stray '\225' in program
0_0_32853117_10008.cpp:2:1: error: stray '\260' in program
0_0_32853117_10008.cpp:2:1: error: stray '\347' in program
0_0_32853117_10008.cpp:2:1: error: stray '\232' in program
0_0_32853117_10008.cpp:2:1: error: stray '\204' in program
0_0_32853117_10008.cpp:2:1: error: stray '\346' in program
0_0_32853117_10008.cpp:2:1: error: stray '\225' in program
0_0_32853117_10008.cpp:2:1: error: stray '\260' in program
0_0_32853117_10008.cpp:2:1: error: stray '\345' in program
0_0_32853117_10008.cpp:2:1: error: stray '\257' in program
0_0_32853117_10008.cpp:2:1: error: stray '\271' in program
0_0_32853117_10008.cpp:2:1: error: stray '\347' in program
0_0_32853117_10008.cpp:2:1: error: stray '\232' in program
0_0_32853117_10008.cpp:2:1: error: stray '\204' in program
0_0_32853117_10008.cpp:2:1: error: stray '\345' in program
0_0_32853117_10008.cpp:2:1: error: stray '\257' in program
0_0_32853117_10008.cpp:2:1: error: stray '\271' in program
0_0_32853117_10008.cpp:2:1: error: stray '\346' in program
0_0_32853117_10008.cpp:2:1: error: stray '\225' in program
0_0_32853117_10008.cpp:2:1: error: stray '\260' in program
0_0_32853117_10008.cpp:2:1: error: stray '\357' in program
0_0_32853117_10008.cpp:2:1: error: stray '\274' in program
0_0_32853117_10008.cpp:2:1: error: stray '\214' in program
0_0_32853117_10008.cpp:2:1: error: stray '\345' in program
0_0_32853117_10008.cpp:2:1: error: stray '\217' in program
0_0_32853117_10008.cpp:2:1: error: stray '\257' in program
0_0_32853117_10008.cpp:2:1: error: stray '\344' in program
0_0_32853117_10008.cpp:2:1: error: stray '\273' in program
0_0_32853117_10008.cpp:2:1: error: stray '\245' in program
0_0_32853117_10008.cpp:2:1: error: stray '\346' in program
0_0_32853117_10008.cpp:2:1: error: stray '\203' in program
0_0_32853117_10008.cpp:2:1: error: stray '\263' in program
0_0_32853117_10008.cpp:2:1: error: stray '\345' in program
0_0_32853117_10008.cpp:2:1: error: stray '\210' in program
0_0_32853117_10008.cpp:2:1: error: stray '\260' in program
0_0_32853117_10008.cpp:2:1: error: stray '\357' in program
0_0_32853117_10008.cpp:2:1: error: stray '\274' in program
0_0_32853117_10008.cpp:2:1: error: stray '\214' in program
0_0_32853117_10008.cpp:4:1: error: stray '\347' in program
由莫比乌斯反演得：
^
0_0_32853117_10008.cpp:4:1: error: stray '\224' in program
0_0_32853117_10008.cpp:4:1: error: stray '\261' in program
0_0_32853117_10008.cpp:4:1: error: stray '\350' in program
0_0_32853117_10008.cpp:4:1: error: stray '\216' in program
0_0_32853117_10008.cpp:4:1: error: stray '\253' in program
0_0_32853117_10008.cpp:4:1: error: stray '\346' in program
0_0_32853117_10008.cpp:4:1: error: stray '\257' in program
0_0_32853117_10008.cpp:4:1: error: stray '\224' in program
0_0_32853117_10008.cpp:4:1: error: stray '\344' in program
0_0_32853117_10008.cpp:4:1: error: stray '\271' in program
0_0_32853117_10008.cpp:4:1: error: stray '\214' in program
0_0_32853117_10008.cpp:4:1: error: stray '\346' in program
0_0_32853117_10008.cpp:4:1: error: stray '\226' in program
0_0_32853117_10008.cpp:4:1: error: stray '\257' in program
0_0_32853117_10008.cpp:4:1: error: stray '\345' in program
0_0_32853117_10008.cpp:4:1: error: stray '\217' in program
0_0_32853117_10008.cpp:4:1: error: stray '\215' in program
0_0_32853117_10008.cpp:4:1: error: stray '\346' in program
0_0_32853117_10008.cpp:4:1: error: stray '\274' in program
0_0_32853117_10008.cpp:4:1: error: stray '\224' in program
0_0_32853117_10008.cpp:4:1: error: stray '\345' in program
0_0_32853117_10008.cpp:4:1: error: stray '\276' in program
0_0_32853117_10008.cpp:4:1: error: stray '\227' in program
0_0_32853117_10008.cpp:4:1: error: stray '\357' in program
0_0_32853117_10008.cpp:4:1: error: stray '\274' in program
0_0_32853117_10008.cpp:4:1: error: stray '\232' in program
0_0_32853117_10008.cpp:5:1: error: stray '\344' in program
令lim=min(b/k,d/k)
^
0_0_32853117_10008.cpp:5:1: error: stray '\273' in program
0_0_32853117_10008.cpp:5:1: error: stray '\244' in program
0_0_32853117_10008.cpp:7:1: error: stray '\345' in program
因为(n1,n2)和(n2,n1)算为同一种情况，所以最后结果还要减掉重复的情况。//https://blog.csdn.net/c_czl/article/details/77102681
^
0_0_32853117_10008.cpp:7:1: error: stray '\233' in program
0_0_32853117_10008.cpp:7:1: error: stray '\240' in program
0_0_32853117_10008.cpp:7:1: error: stray '\344' in program
0_0_32853117_10008.cpp:7:1: error: stray '\270' in program
0_0_32853117_10008.cpp:7:1: error: stray '\272' in program
0_0_32853117_10008.cpp:7:1: error: stray '\345' in program
0_0_32853117_10008.cpp:7:1: error: stray '\222' in program
0_0_32853117_10008.cpp:7:1: error: stray '\214' in program
0_0_32853117_10008.cpp:7:1: error: stray '\347' in program
0_0_32853117_10008.cpp:7:1: error: stray '\256' in program
0_0_32853117_10008.cpp:7:1: error: stray '\227' in program
0_0_32853117_10008.cpp:7:1: error: stray '\344' in program
0_0_32853117_10008.cpp:7:1: error: stray '\270' in program
0_0_32853117_10008.cpp:7:1: error: stray '\272' in program
0_0_32853117_10008.cpp:7:1: error: stray '\3
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