题解 | 牛牛学数列2
牛牛学数列2
https://www.nowcoder.com/practice/fc72951f52984f3abd286d82eeffacba
#include <iostream>
using namespace std;
int main() {
double a,c=0;
cin>>a;
for(int i=1;i<=a;++i){
c+=1.0/i;
}
cout << c << endl;
}
牛牛学数列2
https://www.nowcoder.com/practice/fc72951f52984f3abd286d82eeffacba
#include <iostream>
using namespace std;
int main() {
double a,c=0;
cin>>a;
for(int i=1;i<=a;++i){
c+=1.0/i;
}
cout << c << endl;
}
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