A great god can help me to solve this problem?-CodePudding

Using c # double circulation mode?

CodePudding user response:

A loop can

Assume a var list=new array List () {1, 2, 5, 3, 2, 4, 6, 2, 21, 45}; Can be defined Dictionary Do, look at the code

 
Var numberList=new Dictionary (a); 
The foreach (var temp in the list) 
{
If (numberList. Either ContainsKey (temp)) 
{
NumberList [temp] + +; 
} 
The else 
{
NumberList [\]=1; 
} 
} 

Console. WriteLine (" mode of the existence of "); 

Foreach (var temp in numberList. Where (pair=& gt; Pair. Value> (1). Select the pair=& gt; New {Number=pair. The Key, the Count=pair. The Value}) OrderByDescending (temp=& gt; Temp. Count)) 
{
Console. WriteLine (${temp. Number} "element occurrences {temp. Count}"); 
}

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CodePudding user response:

Tao is ready function its implementation can escape the cycle? Write their own use nested loop to better understand how to implement,