选择排序

#include <stdio.h>
int main(int argc, char *argv[]) {
  int arr[] = {5, 2, 9, 3, 7, 1, 4, 8, 6, 0};
  int len = sizeof(arr) / sizeof(arr[0]);
  int i, j, min_index, temp;
  for (i = 0; i < len; i++) {
    min_index = i;
    for (j = i + 1; j < len; j++) {
      if (arr[j] < arr[min_index]) {
        min_index = j;
      }
    }
    if (min_index != i) {
      temp = arr[i];
      arr[i] = arr[min_index];
      arr[min_index] = temp;
    }
  }
  for (i = 0; i < len; i++) {
    printf("%d ", arr[i]);
  }
  printf("\n");
  return 0;
}