回车键输入框获取焦点自定义指令直接在main.js挂载.组件用v-enterDownNext 贼好用Vue.directive('enterDownNext', { inserted: function (el) { let inputs = el.querySelectorAll('input') // 绑定回写事件 for (var i = 0; i < inputs.length; i++) {`在这里插入代码片` inputs[i].setAt
For givenLL, find the smallestnnno smaller thanLLfor which there exists an positive integermmfor which2m(m + 1) = n(n + 1)2m(m+1)=n(n+1).InputThis problem contains multiple test cases. The ...
费用流# include <bits/stdc++.h># define RG register# define IL inline# define Fill(a, b) memset(a, b, sizeof(a))# define Copy(a, b) memcpy(a, b, sizeof(a))using namespace std;typedef long long ll;c