package 二〇一七年三月二十四日;
public class 调和级数 {
public static void main(String[] args) {
double sum=
0d;
for(
int x=
1;;x++){
sum+=
1.0/x;
System.
out.println(sum);
if(sum>=
15.0){
System.
out.println(x+
"-----------------------------");
return;
}
}
}
}
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