18 lines
341 B
C++
18 lines
341 B
C++
#include <bits/stdc++.h>
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using namespace std;
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//高精度除法小数点位数
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int main() {
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int n, m, p;
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cin >> n >> m >> p;
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for (int i = 0; i <= p; i++) {
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int r = n % m;
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int shang = n / m;
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printf("%d", shang);
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if (i == 0) printf(".");
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n = r * 10;
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}
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return 0;
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}
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