public class Main {
public static void main(String[] args) {
double pi = 0;
for (int i = 0; i < 1000000; i++) {
pi += ((i % 2) == 0 ? 1 : -1) * (1.0 / ((i*2) +1));
}
System.out.println("PI = " + 4*pi);
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回来的狼2013
public class Main {
public static void main(String[] args) {
double pi = 0;
for (int i = 0; i < 1000000; i++) {
pi += ((i % 2) == 0 ? 1 : -1) * (1.0 / ((i*2) +1));
}
System.out.println("PI = " + 4*pi);
}
}