17 lines
271 B
C++
17 lines
271 B
C++
#include <iostream>
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#include <iomanip>
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using namespace std;
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int main()
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{
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//输入用例 ：73.263 0.9973
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//预期输出结果：0.4601
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double a, b, r;
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int k;
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cin >> a >> b;
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k = (int)(a/b);
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r = a - k * b;
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cout << r << endl;
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return 0;
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}
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