05 2019 档案
BZOJ-1833(数位DP)
摘要:``` include using namespace std; typedef long long ll; ll a,b; int k[20]; ll dp[20][10]; ll sum[20]; ll ddfs(int pos,int lead,bool limit){ if(pos == 1
BZOJ-3679(数位DP)
摘要:```c++ include using namespace std; typedef long long ll; ll a,b; int k[20]; ll dp[20][10][2]; ll dfs(int pos,int x,bool lead,bool limit){ if(pos == 1