摘要:
code #include<iostream> #include<algorithm> using namespace std; using ll=long long; const int N=110000; ll n,m,i,j,p,q,a[N]; //p为b序列中正数之和,而q为b序列中负数之和 阅读全文
摘要:
Q A #include<iostream> #include<cstring> #include<algorithm> using namespace std; const int N = 5e3 + 10; int s[N][N]; int n, r; int main() { ios::syn 阅读全文