1+11+111+1111+….. up to n terms
Input : 4
Output : 1 + 11 + 111 + 1111 +.....
Total sum is : 1234
import java.io.*;
class series1_11_111
{
public static void main(String args[])
{
{
int n = 4;
int sum = 0, j = 1;
for (int i = 1; i <= n; i++)
{
sum = sum + j;
j = (j * 10) + 1;
}
System.out.println("Sum="+sum);
}
}
}
Output:
Sum=1234
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