线段树区间开方。。重写一遍就AC了,神马情况。。。。

 1 #include<bits/stdc++.h>
 2 #define inc(i,l,r) for(i=l;i<=r;i++)
 3 #define dec(i,l,r) for(i=l;i>=r;i--)
 4 #define inf 1e9
 5 #define ll long long 
 6 #define NM 100000+5
 7 #define mem(a) memset(a,0,sizeof(a))
 8 using namespace std;
 9 int read(){
10     int x=0,f=1;char ch=getchar();
11     while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
12     while(isdigit(ch))x=x*10+ch-'0',ch=getchar();
13     return x*f;
14 }
15 struct info{
16     ll s;
17     int z;
18     info(int x=0):s((ll)x),z(x<=1){}
19 }T[3*NM];
20 info operator+(const info&x,const info&y){
21     info f;
22     f.s=x.s+y.s;
23     f.z=x.z&&y.z;
24     return f;
25 }
26 int n,m,i,x,t,y;
27 void build(int i,int x,int y){
28     int t=x+y>>1;
29     if(x==y){
30         T[i]=info(read());
31         return;
32     }
33     build(i<<1,x,t);build(i<<1|1,t+1,y);
34     T[i]=T[i<<1]+T[i<<1|1];
35 }
36 void cut(int i,int x,int y,int a,int b){
37     int t=x+y>>1;
38     if(b<x||y<a||T[i].z)return;
39     if(x==y){
40         T[i].s=(ll)sqrt(T[i].s);
41         T[i].z=T[i].s<=1;
42         return;
43     }
44     cut(i<<1,x,t,a,b);cut(i<<1|1,t+1,y,a,b);
45     T[i]=T[i<<1]+T[i<<1|1];
46 }
47 ll sum(int i,int x,int y,int a,int b){
48     int t=x+y>>1;
49     if(b<x||y<a)return 0;
50     if(a<=x&&y<=b)return T[i].s;
51     return sum(i<<1,x,t,a,b)+sum(i<<1|1,t+1,y,a,b);
52 }
53 int main(){
54     n=read();
55     build(1,1,n);
56     m=read();
57     inc(i,1,m){
58         t=read();x=read();y=read();
59         if(t==1)printf("%lld\n",sum(1,1,n,x,y));
60         else cut(1,1,n,x,y);
61     }
62 }
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posted on 2015-08-21 01:06  onlyRP  阅读(146)  评论(0编辑  收藏  举报