//とりあえず愚直な解法を投げてみる #include int gcd(int, int); int lcm(int, int); int n, a[10000]; int main(void) { scanf("%d", &n); int i, j; for(i = 0; i < n; i++) { scanf("%d", &a[i]); } printf("%d ", a[0]); for(i = 0; i < n - 1; i++) { int min = 100000000, p = -1; for(j = i + 1; j < n; j++) { int l = lcm(a[i], a[j]); if( l < min || (l == min && a[j] < a[p]) ) { min = l; p = j; } } int temp = a[i + 1]; a[i + 1] = a[p]; a[p] = temp; printf("%d ", a[i + 1]); } printf("\n"); return 0; } int gcd(int x, int y) { int max = (y < x) ? x : y; int min = (x < y) ? x : y; if(min == 0) { return max; } return gcd(min, max % min); } int lcm(int x, int y) { return x * y / gcd(x, y); }