时间限制: 2s
内存限制: 192MB 提交: 4878 解决: 2273
题目描述
计算两个双精度浮点数a和b的相除的余数，a和b都是正数的。这里余数（r）的定义是：a = k * b + r，其中 k是整数， 0 <= r < b。
输入格式
输入仅一行，包括两个双精度浮点数a和b。
提示
注意：输出时小数尾部没有多余的0，可以用下面这种格式：
double x;
x = 1.33;
printf("%g", x);
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