bzoj3932

题目链接

主席树模板题

本来想用treap写

但是看到强制在线就放弃了

还是有点不熟,多练

 1 #include<algorithm>
 2 #include<iostream>
 3 #include<cstdlib>
 4 #include<cstring>
 5 #include<cstdio>
 6 #include<string>
 7 #include<cmath>
 8 #include<ctime>
 9 #include<queue>
10 #include<stack>
11 #include<map>
12 #include<set>
13 #define rre(i,r,l) for(int i=(r);i>=(l);i--)
14 #define re(i,l,r) for(int i=(l);i<=(r);i++)
15 #define Clear(a,b) memset(a,b,sizeof(a))
16 #define inout(x) printf("%d",(x))
17 #define douin(x) scanf("%lf",&x)
18 #define strin(x) scanf("%s",(x))
19 #define LLin(x) scanf("%lld",&x)
20 #define op operator
21 #define CSC main
22 typedef unsigned long long ULL;
23 typedef const int cint;
24 typedef long long LL;
25 using namespace std;
26 void inin(int &ret)
27 {
28     ret=0;int f=0;char ch=getchar();
29     while(ch<'0'||ch>'9'){if(ch=='-')f=1;ch=getchar();}
30     while(ch>='0'&&ch<='9')ret*=10,ret+=ch-'0',ch=getchar();
31     ret=f?-ret:ret;
32 }
33 int CSC()
34 {
35     freopen("in.in","w",stdout);
36     srand(time(0));
37     int n,m;
38     n=100000,m=100000;
39     cout<<n<<" "<<m<<"\n";int Max=0;
40     re(i,1,n)
41     {
42         int l=rand()%100000+1;
43         int r=rand()%100000+1;
44         if(l>r)swap(l,r);
45         int k=rand()%10000000+1;
46         printf("%d %d %d\n",l,r,k);
47         Max=max(max(l,r),Max);
48     }
49     re(i,1,m)
50     {
51         int l=rand()%100000+1;
52         int r=rand()%100000+1;
53         printf("%d %d %d %d\n",rand()%Max+1,l,r,n);
54     }
55     return 0;
56 }

 

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