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  1. // InsertionSort
  2.  
  3. #include <stdio.h>
  4. #include <stdlib.h>
  5.  
  6. void printA(int a[], int n){
  7.     int i;
  8.     for(i = 0; i < n; i++){
  9.         printf("%d ", a[i]);
  10.     }
  11.     printf("\n");
  12. }
  13.  
  14. void swap(int* a, int* b){
  15.     int tmp;
  16.     tmp = *a;
  17.     *a = *b;
  18.     *b = tmp;
  19. }
  20.  
  21. void InsertionSort(int a[], int n){
  22.     int i, j, key;
  23.     for (i = 1; i < n; i++) {
  24.         key = a[i];      
  25.         j = i - 1;
  26.  
  27.  
  28.         while (j >= 0 && a[j] > key) {
  29.             a[j + 1] = a[j];
  30.             j--;
  31.         }
  32.  
  33.         a[j + 1] = key;
  34.     }
  35. }
  36.  
  37.  
  38. int main(void){
  39.     int n, i;
  40.     int *v;
  41.  
  42.  
  43.     scanf("%d", &n);
  44.  
  45.  
  46.     v = (int*)malloc(sizeof(int) * n);
  47.     if (v == NULL) {
  48.         printf("ERROR\n");
  49.         return -1;
  50.     }
  51.  
  52.     for (i = 0; i < n; i++) {
  53.         scanf("%d", &v[i]);
  54.     }
  55.  
  56.     InsertionSort(v, n);
  57.  
  58.     printA(v, n);
  59.  
  60.     free(v);
  61.  
  62.     return 0;
  63. }
  64.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/fzhIju
language:
C99 (gcc 8.3)
created:
13 days ago
visibility:
public

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