摘要:
"洛咕" 题意:求$n(n include include include include include include include define ll long long using namespace std; inline ll read(){ ll x=0,o=1;char ch=ge 阅读全文
摘要:
"POJ" 题意:$n(n include include include include include include include define ll long long using namespace std; inline int read(){ int x=0,o=1;char ch= 阅读全文