#include<bits/stdc++.h> using namespace std; int main() { int A = 0; int B = 1; int C = 2; int D = 3; int E = 4; int F = 5; int G = 6; int H = 7; int I = 8; int J = 9; int K = A*1000000000+ B*100000000 C*10000000 D, E, F, G, H, I, J, K; 存 cout << K; return 0; }