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Commit b00eeb2

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‎rec.java‎

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import java.util.Scanner;
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public class Sum
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{
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public static void main(String[] args)
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{
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Scanner sc=new Scanner(System.in);
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int a=sc.nextInt();
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int res=sum(a);
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System.out.println(res);
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}
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public static int sum(int s)
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{
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if(s>0)
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{
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return s+sum(s-1);
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}
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else
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{
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return 0;
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}
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}
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}

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