摘要: 一维前缀和 #include <iostream> using namespace std; const int N = 1e5 + 10; int a[N], b[N]; int main() { int n, m, l, r; cin >> n >> m; for (int i = 1; i < 阅读全文
posted @ 2021-05-09 10:56 MerielVaren 阅读(94) 评论(0) 推荐(0)