public class Main {
public static void main(String[] args) {
double pi = 0;
for (double i=1;i<=100000;i+=4) {
//(1-1/3)+(1/5-1/7)+(1/9-1/11)+...
pi+=4*(1/i-1/(i+2));
}
System.out.println(pi);
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钨之炼金术师
public class Main {
public static void main(String[] args) {
double pi = 0;
for (double i=1;i<=100000;i+=4) {
//(1-1/3)+(1/5-1/7)+(1/9-1/11)+...
pi+=4*(1/i-1/(i+2));
}
System.out.println(pi);
}
}