OJ-Problems-Source/HDOJ/3071_autoAC.cpp

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C++
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#include<cstdio>
const int maxn=444444;
int prime[]={ 2, 3, 5, 7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97};
int dpos[]={28,25,23,21,20,19,18,17,16,15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
int a[]={1,2,4,8,16,32,64};
int b[]={1,3,9,27,81};
int c[]={1,5,25};
int d[]={1,7,49};
#define lson l,mid,lrt
#define rson mid+1,r,rrt
#define mid ((l+r)>>1)
#define lrt rt<<1
#define rrt rt<<1|1
int MAX[maxn],MIN[maxn];
inline int turn(int x){
int cnt,y=0;
for(int i=0;i<25&&x>1;i++){
for(cnt=0;x%prime[i]==0;x/=prime[i]) cnt++;
y|=cnt<<dpos[i];
}
return y;
}
inline int back(int x,int p)
{
long long y=1;
int k=x>>dpos[0];y=y*a[k]%p;x^=k<<dpos[0];
k=x>>dpos[1];y=y*b[k]%p;x^=k<<dpos[1];
k=x>>dpos[2];y=y*c[k]%p;x^=k<<dpos[2];
k=x>>dpos[3];y=y*d[k]%p;x^=k<<dpos[3];
for(int i=4;i<25;i++)
if(x&(1<<dpos[i])) y=y*prime[i]%p;
return y;
}
#define _min(x,y) ((x)<(y)?(x):(y))
#define _max(x,y) ((x)>(y)?(x):(y))
inline int min(int x,int y){
return _min(x&0x70000000,y&0x70000000)|_min(x&0x0e000000,y&0x0e000000)|_min(x&0x01800000,y&0x01800000)|_min(x&0x00600000,y&0x00600000)|((x&0x001fffff)&(y&0x001fffff));
}
inline int max(int x,int y){
return _max(x&0x70000000,y&0x70000000)|_max(x&0x0e000000,y&0x0e000000)|_max(x&0x01800000,y&0x01800000)|_max(x&0x00600000,y&0x00600000)|((x&0x001fffff)|(y&0x001fffff));
}
inline void pushup(int rt){
MAX[rt]=max(MAX[lrt],MAX[rrt]);
MIN[rt]=min(MIN[lrt],MIN[rrt]);
}
void build(int l,int r,int rt){
if(l==r){
int x;scanf("%d",&x);
MIN[rt]=MAX[rt]=turn(x);
return;
}
build(lson);build(rson);
pushup(rt);
}
void update(int k,int x,int l,int r,int rt){
if(l==r){
MAX[rt]=MIN[rt]=turn(x);
return;
}
if(k<=mid) update(k,x,lson);
else update(k,x,rson);
pushup(rt);
}
int query_max(int s,int t,int l,int r,int rt){
if(s<=l&&t>=r) return MAX[rt];
int ret=0;
if(s<=mid) ret=max(ret,query_max(s,t,lson));
if(t>mid) ret=max(ret,query_max(s,t,rson));
return ret;
}
int query_min(int s,int t,int l,int r,int rt){
if(s<=l&&t>=r) return MIN[rt];
int ret=0x7fffffff;
if(s<=mid) ret=min(ret,query_min(s,t,lson));
if(t>mid) ret=min(ret,query_min(s,t,rson));
return ret;
}
int main()
{
int n,q;
while(scanf("%d%d",&n,&q)!=EOF){
build(1,n,1);
char s[2];
while(q--){
scanf("%s",s);
if(s[0]=='C'){
int k,v;
scanf("%d%d",&k,&v);
update(k,v,1,n,1);
}
else if(s[0]=='L'){
int k1,k2,p;
scanf("%d%d%d",&k1,&k2,&p);
int x=query_max(k1,k2,1,n,1);
printf("%u\n",back(x,p));
}
else{
int k1,k2,p;
scanf("%d%d%d",&k1,&k2,&p);
int x=query_min(k1,k2,1,n,1);
printf("%u\n",back(x,p));
}
}
}
return 0;
}