90pts求调
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90pts求调
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NullPointerExpection楼主2024/7/7 12:55
#include <bits/stdc++.h>
using namespace std;

int a, b, n;
double ans;
int main() {
	cin >> a >> b >> n;
	ans = a * 1.0 / b;
	while(n--) {
		ans -= int(ans);
		ans *= 10;
	}
	cout << int(ans);
	return 0;
}
2024/7/7 12:55
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