我有一个数组:
int[] months = new int[4] {1, 4, 7, 10};
我想从给定的值开始对数组进行排序,并按原始顺序对数组的其余部分进行排序。
假设我想开始按7
的值对数组进行排序。排序后的数组将按以下顺序排列:
7, 10, 1, 4
或者从值4
开始,排序的数组将是一个顺序
4, 7, 10, 1
怎么样:
var orderedMonths = months.Where(x => x >= 7)
.OrderBy(x => x)
.Concat(months.Where(x => x < 7));
请注意,这将意味着“数组的其余部分”的元素将按照外观的顺序而不是增加数字顺序。如果你的意思是后者(即在数字上对两个'段'进行排序),我会这样做:
var orderedMonths = months.OrderBy(x => x < 7) // false comes before true
.ThenBy(x => x);
另一方面,如果你想按照外观顺序对两个片段进行排序,我会这样做:
var orderedMonths = months.GroupBy(x => x < 7)
.OrderBy(group => group)
.SelectMany(x => x);
(要么)
var orderedMonths = months.Where(x => x >= 7)
.Concat(months.Where(x => x < 7));
假设这是你的排序int数组,你可以
int[] months = new int[4] { 1, 4, 7, 10 };
int value = 10;
int[] chk1 = new int[4];
chk1 = months.SkipWhile(a => a != value).
Concat(months.TakeWhile(a => a != value)).ToArray();
这应该可以获得所需的订单
你能用名单吗?
int NumberToBeFound = 7;
int IndexOfNumber = -1;
for(int i=0;i<months.count;i++){
if(months[i] == NumberToBeFound){
IndexOfNumber = i;
break;
}
}
List<int> Sorted = new List<int>();
for(int i = IndexOfNumber; i < months.count;i++){
Sorted.Add(months[i]);
}
for(int i = 0; i < IndexOfNumber; i++){
Sorted.Add(months[i]);
}
months = Sorted.ToArray();