Write a program that reads in a number n and then outputs the sum of the squares of the numbers from 1 to n. If the input is 3, for example, the output should be 14, because:
1²+2²+3² = 1 + 4 + 9 = 14.
1
Expert's answer
2013-07-02T08:46:21-0400
using System; using System.Collections.Generic; using System.Linq; using System.Text;
namespace Question32664 { class Program { //main function static void Main(string[] args) { int n,sum=0;//declare variable Console.Write("Enter n= ");//input number n = int.Parse(Console.ReadLine());//read number from keyboard for (int i = 0; i < n; i++) { sum += (i + 1) * (i + 1);//add to sum } //show result Console.Write("Result = " + sum.ToString()); Console.ReadLine();//delay } } }
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