1 #include2 3 int fn(int a, int n); 4 int SumA(int a, int n); 5 6 int main() 7 { 8 int a, n; 9 10 scanf_s("%d %d", &a, &n);11 printf("fn(%d, %d) = %d\n", a, n, fn(a, n));12 printf("s = %d\n", SumA(a, n));13 14 return 0;15 }16 17 /* 你的代码将被嵌在这里 */18 int fn(int a, int n)19 {20 int number = 0;21 for (int i = 0; i < n; i++)22 {23 number = number * 10 + a;24 }25 26 return number;27 }28 29 int SumA(int a, int n)30 {31 int sum = 0;32 for (int i = 1; i <= n; i++)33 {34 sum = sum + fn(a, i);35 }36 37 return sum;38 }