sort

#include <stdio.h>
static void print(int *a, int n) {
  for (int i = 0; i < n; ++i) { printf("%s%d", (i == 0 ? "" : " "), a[i]); }
  puts("");
}
static void sort(int *a, int n) {
  for (int i = 0; i < n; ++i) {
    for (int j = i + 1, t; j < n; ++j) {
      if (a[j] < a[i]) { t = a[i], a[i] = a[j], a[j] = t; }
      printf("i = %d\tj = %d\t", i, j), print(a, n);
    }
  }
}
int main(void) {
  int a[] = {7, 4, 1, 3, 5, 2};
  int n = sizeof(a) / sizeof(a[0]);
  print(a, n), puts(""), sort(a, n);
}