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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 |
---|---|---|---|---|---|---|---|---|---|
#603541 | #6435. Paimon Segment Tree | bruteforce_ | WA | 1ms | 3936kb | C++20 | 2.8kb | 2024-10-01 17:09:28 | 2024-10-01 17:09:28 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e6+7,inf=1e18,mod=998244353;
struct seg
{
vector<int> val;
vector<int> tag;
bool bz;
seg()
{
val.assign(5,0);
tag.assign(7,0);
bz=0;
}
seg(vector<int> a,vector<int> b,bool c):val(a),tag(b),bz(c){}
void add(vector<int> &b)
{
//modify val
(val[4]+=val[1]*b[3]%mod+val[2]*b[5]%mod+val[3]*b[6]%mod)%=mod;
(val[3]+=val[1]*b[2]%mod+val[2]*b[4]%mod)%=mod;
(val[2]+=val[1]*b[1]%mod)%=mod;
//modify tag
(tag[6]+=b[6])%=mod;
(tag[5]+=tag[4]*b[6]%mod+b[5])%=mod;
(tag[4]+=b[4])%=mod;
(tag[3]+=tag[1]*b[5]+tag[2]*b[6]+b[3])%=mod;
(tag[2]+=tag[1]*b[4]%mod+b[2])%=mod;
(tag[1]+=b[1])%=mod;
bz=1;
}
};
vector<seg> tr;
void update(int u)
{
int ls=u<<1,rs=u<<1|1;
for(int i=1; i<=4; i++)
{
tr[u].val[i]=tr[ls].val[i]+tr[rs].val[i];
}
}
void pushdown(int u)
{
if(!tr[u].bz) return;
tr[u<<1].add(tr[u].tag);
tr[u<<1|1].add(tr[u].tag);
tr[u].bz=0;
tr[u].tag.clear();
}
vector<int> a;
void build(int u,int st,int ed)
{
if(st==ed)
{
tr[u].val[1]=1;
tr[u].val[2]=a[st];
tr[u].val[3]=a[st]*a[st];
tr[u].val[4]=a[st]*a[st];
return;
}
int mid=st+ed>>1;
build(u<<1,st,mid);
build(u<<1|1,mid+1,ed);
update(u);
}
void modify(int u,int st,int ed,int l,int r,int k)
{
if(l<=st&&ed<=r)
{
int k2=k*k%mod;
vector<int> b={0,k,k2,k2,2*k%mod,2*k%mod,1};
tr[u].add(b);
return;
}
pushdown(u);
int mid=st+ed>>1;
if(mid>=l)
modify(u<<1,st,mid,l,r,k);
if(mid<r)
modify(u<<1|1,mid+1,ed,l,r,k);
update(u);
}
int query(int u,int st,int ed,int l,int r)
{
if(l<=st&&ed<=r)
{
return tr[u].val[4];
}
pushdown(u);
int mid=st+ed>>1;
int res=0;
if(mid>=l)
res=query(u<<1,st,mid,l,r);
if(mid<r)
res+=query(u<<1|1,mid+1,ed,l,r);
return res;
}
void O_o()
{
int n,m,Q;
cin>>n>>m>>Q;
tr.assign(n<<2,seg());
vector<int> ans(Q,0);
vector p(m+1,vector<array<int,3>>());//l,r,k
vector q(m+1,vector<array<int,4>>());//l,r,id,1 or -1
a.assign(n+1,0);
for(int i=1; i<=n; i++)
cin>>a[i];
for(int i=1; i<=m; i++)
{
int l,r,k;
cin>>l>>r>>k;
if(l>1)
p[i].push_back({1,l-1,0});
if(r<n)
p[i].push_back({r+1,n,0});
p[i].push_back({l,r,k});
}
for(int i=0; i<Q; i++)
{
int l,r,x,y;
cin>>l>>r>>x>>y;
if(x>0)
q[x-1].push_back({l,r,i,-1});
q[y].push_back({l,r,i,1});
}
build(1,1,n);
for(int i=0; i<=m; i++)
{
for(auto [l,r,k]:p[i])
{
modify(1,1,n,l,r,k);
}
for(auto [l,r,id,t]:q[i])
{
(ans[id]+=t*query(1,1,n,l,r))%=mod;
}
}
for(auto x:ans)
cout<<x<<"\n";
}
signed main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cout<<fixed<<setprecision(12);
int T=1;
// cin>>T;
while(T--)
{
O_o();
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3568kb
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: 3516kb
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: 1ms
memory: 3936kb
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:
319970821 982036098 487729707 219525501 -357570973 93950215 -249329538 553313942 -572079153 717260249 330341960 347738635 -774785086 374974748 564311761 -780257263 37442138 430173578 761210554 206806445 71704735 706997165 -392064086 101111635 649739372 617354057 41524429 -545126621 539100411 -124615...
result:
wrong answer 1st numbers differ - expected: '400489222', found: '319970821'