这么模糊谁会给你细看???
#include
#include
using namespace std;
double qiuhe(int m){
double currNumerator=2,currDenominator=1,temp;
double result = 0;
while(m--){
result += currNumerator/currDenominator;
temp = currNumerator;
currNumerator = currDenominator + temp;
currDenominator = temp;
}
return result;
}
int main(int argc,char * argv[]){
printf("%.9lf",qiuhe(3));;
return 0;
}