摘要: 题目链接 递推,剥洋葱一样从里到外逐步推导 #include<iostream>#include<cstdio>using namespace std;char a[1000001];int main(){char ch;long long n,num=0;while(scanf("%c",&ch) 阅读全文
posted @ 2020-07-08 16:14 Evolutw 阅读(131) 评论(0) 推荐(0)