#include <bits/stdc++.h>using namespace std;const int R = 8;const int C = 10;const int BR = 0; const int BC = 0; const int ER = 7;const int EC = 9;int dr[4] = {0, 1, 0, -1};i...

标准开始：#include<bits/stdc++.h> using namespace std; int main(){ return 0; }int大小：-2147483648~2147483647float：单精度浮点型double：双精度浮点型bool：布尔值(true false)ch...

rerverse：True（反序）--排序 help(内置函数)--解释说明 abs(值)--取绝对值 sum = lambda a,b:a+b print(sum) ls=[3,16,2,6,8,3,17] ls.sort(key=lambda x:x%10) print(ls)