[brush title] goose factory shirt problem

One 、 subject

Penguin factory activity hair shirt , There are many kinds of t-shirts , Penguins wear T-shirts . In an interview with , Penguins will say how many more penguins wear a T-shirt with him . Some penguins were not interviewed , Put these answers in answers In the array , Return the minimum number of penguins in the activity

Two 、 Answer key

2.1 Ideas

2.2 Source code

Source code ：

 public  static int minPeople(int[] arr){
    
     int x=arr[0];
     int c=1;
     int ans=0;
     for (int i = 0; i < arr.length; i++) {
    
         if(x!=arr[i]){
    
             ans+=((c+x)/(x+1))*(x+1);
             x=arr[i];
             c=1;
         }else {
    
             c++;
         }
     }
     return ans+((c+x)/(x+1))*(x+1);
 }