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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#604062 | #7992. 【模板】线段树 | nameless_mist | WA | 11ms | 81720kb | C++14 | 2.9kb | 2024-10-01 22:44:59 | 2024-10-01 22:44:59 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
typedef long long ll;
typedef unsigned int ui;
typedef double db;
typedef pair<ll,int> P;
#define fi first
#define se second
#define pb push_back
#define dbg(x) cerr<<(#x)<<":"<<x<<" ";
#define dbg2(x) cerr<<(#x)<<":"<<x<<endl;
#define SZ(a) (int)(a.size())
#define sci(a) scanf("%d",&(a))
#define scll(a) scanf("%lld",&(a))
#define pt(a) printf("%d",a);
#define pte(a) printf("%d\n",a)
#define ptlle(a) printf("%lld\n",a)
#define debug(...) fprintf(stderr, __VA_ARGS__)
const int N=2e5+10,M=25,mod=(1<<20)-1;
int n,q;
ui b[N],C[M][M];
void add(ui &x,ui y){
x+=y;
}
struct node{
int l,r;
ui c,p,a[21];
node(){
memset(a,0,sizeof a);
c=0;
}
}e[N*4];
struct segment{
int n;
#define l(x) e[x].l
#define r(x) e[x].r
#define c(x) e[x].c
node mer2(node &x,node &y){
int ls=x.r-x.l+1,rs=y.r-y.l+1;
node z;
int w=min(ls+rs,20);
z.a[w]=1;
z.l=x.l,z.r=y.r;
rep(i,0,ls){
rep(j,0,rs){
if(i+j>=w)break;
ui v=x.a[i]*y.a[j];
add(z.a[i+j],v);
}
}
return z;
}
void up(int p){
e[p]=mer2(e[p<<1],e[p<<1|1]);
}
void psd2(node &x,ui v){
int len=x.r-x.l+1,sz=min(20,len);
vector<ui>pw(sz+1,1);
rep(i,1,sz)pw[i]=pw[i-1]*v;
rep(i,0,sz-1){
rep(j,i+1,sz){
ui v=x.a[j]*pw[j-i]*C[j][j-i];
add(x.a[i],v);
}
}
}
void psd(int p){
if(c(p)){
psd2(e[p<<1],c(p));
add(c(p<<1),c(p));
psd2(e[p<<1|1],c(p));
add(c(p<<1|1),c(p));
c(p)=0;
}
}
void bld(int p,int l,int r){
l(p)=l,r(p)=r,c(p)=0;
if(l==r){
e[p].a[0]=b[l];
e[p].a[1]=1;
return;
}
int mid=(l+r)/2;
bld(p<<1,l,mid);
bld(p<<1|1,mid+1,r);
up(p);
}
void init(int _n){
n=_n;
bld(1,1,n);
}
void upd(int p,int ql,int qr,ui x){
if(ql<=l(p) && r(p)<=qr){
psd2(e[p],x);
add(c(p),x);
return;
}
psd(p);
int mid=(l(p)+r(p))/2;
if(ql<=mid)upd(p<<1,ql,qr,x);
if(qr>mid)upd(p<<1|1,ql,qr,x);
up(p);
}
node ask(int p,int ql,int qr){
if(ql<=l(p) && r(p)<=qr){
return e[p];
}
psd(p);
int mid=(l(p)+r(p))/2;
if(ql<=mid && qr>mid){
node L=ask(p<<1,ql,qr);
node R=ask(p<<1|1,ql,qr);
node res=mer2(L,R);
return res;
}
else if(ql<=mid){
node L=ask(p<<1,ql,qr);
return L;
}
else{
node R=ask(p<<1|1,ql,qr);
return R;
}
}
}seg;
void init(){
C[0][0]=1;
int up=21;
rep(i,1,up){
C[i][0]=C[i][i]=1;
rep(j,1,i-1){
C[i][j]=(C[i-1][j]+C[i-1][j-1]);
}
}
}
int op,l,r;
ui x;
int main(){
ios::sync_with_stdio(0);
cin.tie(0),cout.tie(0);
init();
cin>>n>>q;
rep(i,1,n)cin>>b[i];
seg.init(n);
rep(i,1,q){
cin>>op>>l>>r;
if(op==1){
cin>>x;
seg.upd(1,l,r,x);
}
else{
cout<<(seg.ask(1,l,r).a[0]&mod);
}
}
return 0;
}
詳細信息
Test #1:
score: 0
Wrong Answer
time: 11ms
memory: 81720kb
input:
10 10 969575 741825 24903 1047319 450475 256145 1045323 479255 810659 768323 1 5 6 3034 2 1 10 2 1 9 2 1 4 1 3 6 126904 2 5 5 2 9 9 1 7 7 853094 1 4 9 1025178 2 5 8
output:
10455411012343558151580413810659527353
result:
wrong answer 1st lines differ - expected: '1045541', found: '10455411012343558151580413810659527353'