public class Main{
public static void main(String[] args) {
double pi = 0 ;
for(int i=1 ; i<1000000 ; i+=4 ) {
pi = pi +((1.0/i) -1.0/(i+2));//将计算公式变形
}
pi=pi*4;
System.out.print(pi);
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説025
public class Main{
public static void main(String[] args) {
double pi = 0 ;
for(int i=1 ; i<1000000 ; i+=4 ) {
pi = pi +((1.0/i) -1.0/(i+2));//将计算公式变形
}
pi=pi*4;
System.out.print(pi);
}
}