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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. void printA(int a[], int n) {
  5.     for (int i = 0; i < n; i++) {
  6.         printf("%d ", a[i]);
  7.     }
  8.     printf("\n");
  9. }
  10.  
  11. void swap(int* a, int* b) {
  12.     int tmp;
  13.     tmp = *a;
  14.     *a = *b;
  15.     *b = tmp;
  16. }
  17.  
  18. void InsertionSort(int a[], int n) {
  19.     for (int i = 1; i < n; i++) {
  20.         int key = a[i];
  21.         int j = i - 1;
  22.         // 大きい要素を右にずらす
  23.         while (j >= 0 && a[j] > key) {
  24.             a[j + 1] = a[j];
  25.             j--;
  26.         }
  27.         a[j + 1] = key;
  28.     }
  29. }
  30.  
  31. int main(void) {
  32.     int n;
  33.     scanf("%d", &n);
  34.  
  35.     int *v = (int*)malloc(sizeof(int) * n);
  36.     if (v == NULL) {
  37.         printf("ERROR\n");
  38.         return -1;
  39.     }
  40.  
  41.     for (int i = 0; i < n; i++) {
  42.         scanf("%d", &v[i]);
  43.     }
  44.  
  45.     InsertionSort(v, n);
  46.     printA(v, n);
  47.  
  48.     free(v);
  49.     return 0;
  50. }
  51.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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8
21 55 5 13 8 2 34 3
stdout
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2 3 5 8 13 21 34 55
https://ideone.com/jD3Ogg
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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