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  1. import java.util.Scanner;
  2. public class Main {
  3.     public static void main(String[] args) {
  4.         double S, Si, y, x, eps, A, V;
  5.         double i, j; // Обов'язково double, щоб ділення (i/j) було точним
  6.         Scanner scanner = new Scanner(System.in);
  7.         System.out.println("Enter x (|x|<=1):");
  8.         x = scanner.nextDouble();
  9.         System.out.println("Enter eps (example: 1e-5):");
  10.         eps = scanner.nextDouble();
  11.         i = -1.0;
  12.         j = 2.0;
  13.         Si = x / 2.0;
  14.         S = 1.0 + Si;
  15.         while (Math.abs(Si) > eps) {
  16.             i = i + 2.0;
  17.             j = j + 2.0;
  18.             Si = Si * (-1.0) * (i / j) * x;
  19.             S = S + Si;
  20.         }
  21.         y = Math.sqrt(1.0 + x);
  22.         A = Math.abs(y - S);
  23.         V = (A / Math.abs(y)) * 100.0;
  24.         System.out.printf("x=%.6f eps=%.6f\n", x, eps);
  25.         System.out.printf(" y=%.6f  S=%.6f\n", y, S);
  26.         System.out.printf(" A=%.5f V=%.5f %%\n", A, V);
  27.         scanner.close();
  28.     }
  29. }
Success #stdin #stdout 0.13s 57940KB
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stdin
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0.1
0.00001
stdout
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Enter x (|x|<=1):
Enter eps (example: 1e-5):
x=0.100000 eps=0.000010
 y=1.048809  S=1.048809
 A=0.00000 V=0.00002 %
https://ideone.com/JYXODp
language:
Java (HotSpot 12)
created:
3 hours ago
visibility:
public

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