[题解](续II)Let’s Celebrate the 100th Contest on ZOJ! » ZOJ3443

ZOJ3443
ZOJ3443.cpp


#include <cmath>
#include <cstdio>

using namespace std;

int main() {
	int n;
	double z;

	while (scanf("%d%lf", &n, &z) != EOF) {
		printf("%.6le\n", yn(n, z));
	}

	return 0;
}
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