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java
a year ago
424 B
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import java.util.Scanner; public class P1 { public static float Sol(int n, int x) { float s = 0; int giaithua = 1; for (int i = 1; i <= n; i++) { giaithua *= i; s += Math.pow(x * 1.0, i) / giaithua; } return s; } public static void main(String[] args) { Scanner sc = new Scanner(System.in); int x = sc.nextInt(); int n = sc.nextInt(); System.out.println(Sol(n, x)); } }
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