#include #include #include using namespace std; vector div(vector &A, int b, int &r) { vector C; for (int i = A.size() - 1; i >= 0; i--) { //注意这个是从高位开始 r = r * 10 + A[i]; C.push_back(r / b); r %= b; } reverse(C.begin(), C.end()); while (C.size() > 1 && C.back() == 0) C.pop_back(); return C; } int main() { string a; int b, r = 0; cin >> a >> b; vector A, C; for (int i = a.size() - 1; i >= 0; i--)A.push_back(a[i] - '0'); C = div(A, b, r); for (int i = C.size() - 1; i >= 0; i--)printf("%d", C[i]); printf("\n%d", r); return 0; }