摘要：题目 样例 3 1 2 3 4 5 6 7 8 9 0 DDRR 题解 CODE #include<bits/stdc++.h> using namespace std; const int N = 1010; int dp[N][N][2]; int main(){ int n; scanf("% 阅读全文

摘要：题目 https://www.luogu.com.cn/problem/P1009 CODE //高精度 #include<bits/stdc++.h> using namespace std; int n, a[100010], b[100010], c[100010], len, lenc = 阅读全文

摘要：Given a string of characters, we can permute the individual characters to make new strings. At first we order the string into alphabetical order. Then 阅读全文