题目: 这题很简单,找规律即可. 考虑两次进位: 1.a*b时的进位. 2.aa*b时加法时进位. 代码: #include <bits\stdc++.h> using namespace std; ]; int main(){ int a,b,d,n,t; cin >> t; while(t--){ cin >> a >> b >> d >> n; memset(num,,sizeof(num)); ){ int t = n; ;…
C. Sequence (64 Mb, 1 sec / test)Integer sequences are very interesting mathematical objects. Let us examine a sequence generated with the use of two operations: doubling and “digit sorting”. The latter operation consists in ascending-order sort of t…