zxy0416 · 发布于 2025-01-13 · 浏览 504 回复 0

int a, n, m, x;
m = 0;
cin >> a >> n;
x = a;
for (int i = 1; i <= n; i++) {
	m += a;
	a = a * 10 + x;
}
cout << m;
return 0;