摘要: include <bits/stdc++.h> using namespace std; long long t, m; int main( ) { cin >> t >> m; if (t<=m) { cout << (m-t)/2+1; } else { cout << 0; } return 阅读全文
posted @ 2024-11-22 13:28 浩瀚宇宙星晨 阅读(5) 评论(0) 推荐(0) 编辑