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请高手指点,为什么错了?/*Problem Id:2819 User Id:ACM99999
Memory:96K Time:0MS
Language:C++ Result:Wrong Answer
参照解体报告解答*/
#include <iostream>
#include <sstream>
#include <string>
#include <cmath>
#include <cstdio>
using namespace std;
int main()
{
double n = 10.0;
char str[255];
while(scanf("%lf",&n)!=EOF)
{
if(n<1) break;
sprintf(str,"%.20f\n",exp((n-2) * log((n-1)/n)));
str[16] = '\0';
printf("%s\n",str);
}
return 0;
}
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