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  1. // BucketSort
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4.  
  5. void printA(int a[], int n){
  6.     int i;
  7.     for(i=0;i<n;i++){
  8.         printf("%d ",a[i]);
  9.     }
  10.     printf("\n");
  11. }
  12.  
  13. void swap(int* a, int* b){
  14.     int  tmp;
  15.     tmp = *a;
  16.     *a = *b;
  17.     *b = tmp;
  18. }
  19.  
  20. #define MAX 1000000
  21. void BucketSort(int a[], int n){
  22.     int i,j,t;
  23.     int b[MAX];
  24.     int max=a[0];
  25.     for(i=1;i<n;i++)
  26.     {
  27.     	//最大値を出す
  28.     	if(max<a[i])
  29.     	max=a[i];
  30.     }
  31.     //b配列のmaxまでの中身を全部0にする
  32.     for(i=0;i<=max;i++)
  33.     {
  34.     	b[j]=0;
  35.     }
  36.     //b配列に１を代入
  37.     for(i=0;i<n;i++)
  38.     {
  39.     	b[a[i]]=1;
  40.     }
  41.         for(i=0;i<=max;i++)
  42.     {
  43.     	if(b[i]==1)
  44.     a[i]=b[i];
  45.     }
  46. }
  47.  
  48. int main(void){
  49.     int n,i;
  50.     int *v;
  51.     scanf("%d",&n);
  52.     v = (int*)malloc(sizeof(int)*n);
  53.     if(v==NULL){
  54.         printf("ERROR\n");
  55.         return -1;
  56.     }
  57.     for(i=0;i<n;i++){
  58.         scanf("%d",&v[i]);
  59.     }
  60.     BucketSort(v,n);
  61.     printA(v,n);
  62.     free(v);
  63.     return 0;
  64. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
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8
21 55 5 13 8 2 34 3
stdout
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21 55 1 1 8 1 34 3
https://ideone.com/7aALOK
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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