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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 |
---|---|---|---|---|---|---|---|---|---|
#600871 | #6435. Paimon Segment Tree | myloveATRI | WA | 7ms | 26880kb | C++20 | 4.2kb | 2024-09-29 19:43:26 | 2024-09-29 19:43:29 |
Judging History
answer
#include<bits/stdc++.h>
#include<queue>
#include<string.h>
#include<iostream>
#include<map>
#include<vector>
#include<algorithm>
//#define int long long
#define ll long long
#define ull unsigned long long
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define nl t[n].l
#define nr t[n].r
#define gcd __gcd
#define itn int
using namespace std;
const int maxn=1e5+50;
const int N=1e5+50;
const int inf=1e18;
const int INF=2e18;
const int mod=1e9+7;
const double eps=1e-12;
#define pop_count __builtin_popcountll
//const ull mask = std::chrono::steady_clock::now().time_since_epoch().count();
struct Matrix
{
int a[5][5];
Matrix()
{
memset(a,0,sizeof(a));
}
Matrix operator*(const Matrix &b) const
{
Matrix res;
for(int i=1; i<=4; i++)
for(int j=1; j<=4; j++)
for(int k=1; k<=4; k++)
{
res.a[i][j]=(res.a[i][j]+a[i][k]*b.a[k][j]%mod)%mod;
}
return res;
}
};
struct node{
int l,r;
Matrix b,laz;
}t[maxn];
int a[maxn];
struct Q{
int id,l,r,typ,val;
friend bool operator<(Q a,Q b){return a.val<b.val;}
}qy[maxn];
Matrix cg(int v)
{
Matrix res;
res.a[1][1]=res.a[2][2]=res.a[3][3]=res.a[3][4]=res.a[4][4]=1;
res.a[1][2]=v;
res.a[1][3]=res.a[1][4]=(ll)v*v%mod;
res.a[2][3]=res.a[2][4]=2ll*v%mod;
return res;
}
void merge(int n)
{
rep(i,1,4)
{
rep(j,1,4)
{
t[n].b.a[i][j]=((ll)t[n<<1].b.a[i][j]+t[n<<1|1].b.a[i][j])%mod;
}
}
}
void push_down(int n)
{
t[n<<1].b=t[n<<1].b*t[n].laz;
t[n<<1|1].b=t[n<<1|1].b*t[n].laz;
t[n<<1].laz=t[n<<1].laz*t[n].laz;
t[n<<1|1].laz=t[n<<1|1].laz*t[n].laz;
rep(i,1,4)
{
rep(j,1,4)
if(i!=j) t[n].laz.a[i][j]=0;
else
t[n].laz.a[i][i]=1;
}
}
void update(int n,int l,int r,int v)
{
if(l>r) return;
if(nl>=l&&nr<=r)
{
Matrix x=cg(v);
t[n].b=t[n].b*x;
t[n].laz=t[n].laz*x;
return;
}
push_down(n);
int mid=nl+nr>>1;
if(l<=mid) update(n<<1,l,r,v);
if(r>mid) update(n<<1|1,l,r,v);
merge(n);
}
int query(int n,int l,int r)
{
if(nl>=l&&nr<=r) return t[n].b.a[1][4];
int mid=nl+nr>>1;
push_down(n);
int res=0;
if(l<=mid) res+=query(n<<1,l,r);
if(r>mid) res+=query(n<<1|1,l,r);
return res;
}
void build(int n,int l,int r)
{
nl=l,nr=r;
rep(i,1,4) t[n].laz.a[i][i]=1;
if(l==r)
{
t[n].b.a[1][1]=r-l+1;
t[n].b.a[1][2]=a[l];
t[n].b.a[1][3]=t[n].b.a[1][4]=(ll)a[l]*a[l]%mod;
return;
}
int mid=nl+nr>>1;
build(n<<1,l,mid);
build(n<<1|1,mid+1,r);
merge(n);
}
int l[maxn],r[maxn],x[maxn];
int ans[maxn];
void solve()
{
int n,m,q;
cin>>n>>m>>q;
rep(i,1,n) cin>>a[i];
build(1,1,n);
rep(i,1,m)
{
cin>>l[i]>>r[i]>>x[i];
}
int cnt=0;
rep(i,1,q)
{
int u,v,x,y;
cin>>u>>v>>x>>y;
qy[++cnt].l=u;
qy[cnt].r=v;
qy[cnt].val=x-1;
qy[cnt].typ=-1;
qy[cnt].id=i;
qy[++cnt].l=u;
qy[cnt].r=v;
qy[cnt].val=y;
qy[cnt].typ=1;
qy[cnt].id=i;
}
sort(qy+1,qy+1+2*q);
int now=1;
rep(i,0,m)
{
if(i)
{
update(1,l[i],r[i],x[i]);
update(1,1,l[i]-1,0);
update(1,r[i]+1,n,0);
// cout<<n<<'\n';
}
// cout<<query(1,4,4)<<'\n';
while(now<=2*q&&qy[now].val<i)
{
now++;
}
while(now<=2*q&&qy[now].val==i)
{
ans[qy[now].id]=((ll)ans[qy[now].id]+qy[now].typ*query(1,qy[now].l,qy[now].r))%mod;
// cout<<query(1,qy[now].l,qy[now].r);
now++;
}
}
rep(i,1,q) cout<<(ans[i]%mod+mod)%mod<<'\n';
/*cout<<query(1,1,1);
update(1,2,4,0);
update(1,4,4,0);
// update(1,4,4,0);
cout<<query(1,4,4);*/
}
signed main()
{
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int __=1;
//srand((time(0)));
//cin>>__;
while(__--)
{
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 3ms
memory: 26208kb
input:
3 1 1 8 1 6 2 3 2 2 2 0 0
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 26880kb
input:
4 3 3 2 3 2 2 1 1 6 1 3 3 1 3 6 2 2 2 3 1 4 1 3 4 4 2 3
output:
180 825 8
result:
ok 3 number(s): "180 825 8"
Test #3:
score: -100
Wrong Answer
time: 7ms
memory: 26036kb
input:
100 107 180 -280960553 266308104 -997644864 856103777 592874377 674379235 -946339772 641750362 642418716 -360811715 -555543246 206614021 358239245 349842656 983198973 807518446 -66612455 -980932737 109826132 -109676067 51226145 452115561 -42729559 -950621304 -87009773 714026474 375317493 693260053 -...
output:
537106601 148797450 354994392 95238898 887178842 310817944 57896203 503824500 394253185 82155046 82741472 109582305 725986800 890089739 104121854 697971219 663690323 446536376 315264417 320500376 942692165 765343609 97198577 245336676 426632230 202861432 782352691 532229734 686045127 1608225 3202752...
result:
wrong answer 1st numbers differ - expected: '400489222', found: '537106601'