ACM竞赛常用头文件模板

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<cstring>
 4 #include<algorithm>
 5 #include<string>
 6 #include<vector>
 7 #include<stack>
 8 #include<bitset>
 9 #include<cstdlib>
10 #include<cmath>
11 #include<set>
12 #include<list>
13 #include<deque>
14 #include<map>
15 #include<queue>
16 #define DBG(x) \
17   (void)(cout << "L" << __LINE__ \
18   << ": " << #x << " = " \
19   << (x) << '\n')
20 using namespace std;
21 typedef long long ll;
22 const double PI = acos(-1.0);
23 const double eps = 1e-6;
24 const int INF = 1000000000;
25 const int maxn = 100;
26 int main()
27 {
28  
29     return 0;
30 }

 

来源：https://www.cnblogs.com/zdy111/p/11335129.html