/// <summary>
/// 计算 1+2+3+....+n=?
/// </summary>
/// <returns></returns>
public int Sum(int n)
{
var sum = 0;
// var progress = new List<string>();
var threadUnit = n % _threadCount == 0 ? n / _threadCount : n / (_threadCount - 1);
for (var i = 0; i < _threadCount; i++)
{
// 1.计算开始与结束
var start = threadUnit * i + 1;
var end = threadUnit * (i + 1) > n ? n : threadUnit * (i + 1);
var threadSum = new ThreadSum(start, end);
// progress.Add($"{start}+...+{end}");
sum += threadSum.SumAsync().Result;
}
// Console.WriteLine($"{string.Join(" + ", progress)} = {sum}");
return(sum);
}
/// <summary>
/// 计算 1+2+3+....+100=?
/// </summary>
/// <returns></returns>
public int Sum()
{
var sum = 0;
{
// for (var i = 1; i <= 100; i++)
// {
// sum += i;
// }
}
{
// sum = Sum1() + Sum2() + Sum3() + Sum4();
}
{
// sum = TaskSum1() + TaskSum2() + TaskSum3() + TaskSum4();
}
{
// sum = TaskSum1Async().Result + TaskSum2Async().Result + TaskSum3Async().Result + TaskSum4Async().Result;
}
{
for (var i = 0; i < 4; i++)
{
// 1.计算开始与结束
var start = 25 * i + 1;
var end = 25 * (i + 1);
var threadSum = new ThreadSum(start, end);
sum += threadSum.SumAsync().Result;
}
}
return(sum);
}
