路卡利欧 · 发布于 2025-01-13 · 浏览 484 回复 0

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