#1394. 【提高】高精度减法4
【提高】高精度减法4
说明
做减法输入格式
输入:两个整数a,b(-2^63< =a,b< 2^63)输出格式
输出:一个整数,表示两数的差(从个位开始,每隔三位加一个" ," 号)。7777777 -29
7,777,806
7777777 -29
7,777,806
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