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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#390555 | #3272. 简单数据结构 | 2745518585 | 20 | 4ms | 17016kb | C++20 | 4.4kb | 2024-04-15 16:58:50 | 2024-04-15 16:58:50 |
Judging History
answer
#include<cstdio>
#include<algorithm>
#include<vector>
using namespace std;
typedef long long ll;
const int N=1000001;
int n,m,a[N],b[N],c[N];
vector<int> e[N];
vector<pair<int,int>> d[N];
struct sgt
{
struct tree
{
int l,r;
ll s,w,k1,k2,t0,t1,t2;
}T[N<<2];
void pushup(int x)
{
T[x].s=T[x<<1].s+T[x<<1|1].s;
T[x].w=max(T[x<<1].w,T[x<<1|1].w);
T[x].t0=max(T[x<<1].t0,T[x<<1|1].t0);
T[x].t1=T[x<<1].t1+T[x<<1|1].t1;
T[x].t2=T[x<<1].t2+T[x<<1|1].t2;
}
void maketag1(int x,ll k)
{
T[x].s+=T[x].t1*k;
T[x].w+=T[x].t0*k;
T[x].k1+=k;
}
void maketag2(int x,ll k)
{
T[x].s=T[x].t2*k;
T[x].w=k;
T[x].k1=0;
T[x].k2=k;
}
void pushdown(int x)
{
if(T[x].k2)
{
maketag2(x<<1,T[x].k2);
maketag2(x<<1|1,T[x].k2);
T[x].k2=0;
}
if(T[x].k1)
{
maketag1(x<<1,T[x].k1);
maketag1(x<<1|1,T[x].k1);
T[x].k1=0;
}
}
void build(int x,int l,int r)
{
T[x].l=l,T[x].r=r;
if(l==r) return;
int z=l+r>>1;
build(x<<1,l,z);
build(x<<1|1,z+1,r);
pushup(x);
}
void add1(int x,int q,ll k,ll t1,ll t2)
{
if(T[x].l==T[x].r)
{
T[x].s=T[x].w=k;
T[x].t0=T[x].t1=t1;
T[x].t2=t2;
return;
}
pushdown(x);
int z=T[x].l+T[x].r>>1;
if(q<=z) add1(x<<1,q,k,t1,t2);
else add1(x<<1|1,q,k,t1,t2);
pushup(x);
}
void add2(int x,int l,int r,ll k)
{
if(T[x].l>=l&&T[x].r<=r)
{
maketag2(x,k);
return;
}
pushdown(x);
int z=T[x].l+T[x].r>>1;
if(l<=z) add2(x<<1,l,r,k);
if(r>z) add2(x<<1|1,l,r,k);
pushup(x);
}
int find(int x,ll k)
{
if(T[x].l==T[x].r) return T[x].l;
pushdown(x);
if(T[x<<1].w>=k) return find(x<<1,k);
else return find(x<<1|1,k);
}
ll sum(int x,int l,int r)
{
if(T[x].l>=l&&T[x].r<=r) return T[x].s;
pushdown(x);
int z=T[x].l+T[x].r>>1;
ll s=0;
if(l<=z) s+=sum(x<<1,l,r);
if(r>z) s+=sum(x<<1|1,l,r);
return s;
}
}T1,T2;
void solve(vector<int> &p,int l,int r)
{
if(l==r)
{
// printf("%d: ",l);
// for(auto i:p) printf("%d ",i);printf("\n");
for(auto i:p) e[l].push_back(i);
return;
}
int z=l+r>>1;
static int S[N],T;
T=0;
for(int i=l;i<=z;++i)
{
while(T>1&&(ll)(c[i]-c[S[T]])*(b[i]-b[S[T-1]])<(ll)(c[i]-c[S[T-1]])*(b[i]-b[S[T]])) --T;
S[++T]=i;
}
vector<int> p1,p2;
int x=1;
for(auto i:p)
{
while(x+1<=T&&(c[S[x+1]]-c[S[x]])<=(ll)i*(b[S[x+1]]-b[S[x]])) ++x;
if(c[S[x]]-(ll)i*b[S[x]]<=a[i]) p1.push_back(i);
else p2.push_back(i);
}
solve(p1,l,z);
solve(p2,z+1,r);
}
int main()
{
scanf("%d%d",&n,&m);
for(int i=1;i<=n;++i)
{
scanf("%d",&a[i]);
}
for(int i=1;i<=m;++i)
{
int z;
scanf("%d",&z);
if(z==1)
{
b[i]+=b[i-1];
scanf("%d",&c[i]);
}
else if(z==2)
{
++b[i];
--m,--i;
d[i].push_back(make_pair(0,0));
}
else if(z==3)
{
int l,r;
scanf("%d%d",&l,&r);
--m,--i;
d[i].push_back(make_pair(l,r));
}
}
vector<int> p;
for(int i=1;i<=n;++i) p.push_back(i);
solve(p,1,m+1);
T1.build(1,1,n);
T2.build(1,1,n);
for(int i=1;i<=n;++i)
{
T1.add1(1,i,a[i],i,1);
}
for(int i=0;i<=m;++i)
{
if(T2.T[1].w>=c[i])
{
T2.add2(1,T2.find(1,c[i]),n,c[i]);
}
for(auto j:e[i])
{
T1.add1(1,j,0,0,0);
T2.add1(1,j,c[i],j,1);
}
for(auto j:d[i])
{
if(j.first==0)
{
T1.maketag1(1,1);
T2.maketag1(1,1);
}
else
{
printf("%lld\n",T1.sum(1,j.first,j.second)+T2.sum(1,j.first,j.second));
}
}
}
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 4ms
memory: 13604kb
input:
5000 5000 29940 259997 53132 912489 608312 594283 432259 344137 889466 383028 320097 337418 571199 372832 563110 542407 133378 998389 238387 120880 477310 634888 191990 133585 935315 558139 141724 893331 190118 991968 843042 384930 935256 891482 123419 91431 955722 376987 197566 106433 234494 645967...
output:
512185934 455189773 121665669 408693244 291779262 45671866 242375008 302245547 222004631 41963113 343434445 347127029 183849524 2144625 279866050 221914913 21616647 113757623 22838450 44241592 68851111 113835794 44867948 103210090 50380019 59408992 1636374 91010136 142748495 16471954 94670503 184501...
result:
wrong answer 15th numbers differ - expected: '278637672', found: '279866050'
Subtask #2:
score: 20
Accepted
Subtask #3:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 4ms
memory: 17016kb
input:
5000 5000 29940 259997 53132 912489 608312 594283 432259 344137 889466 383028 320097 337418 571199 372832 563110 542407 133378 998389 238387 120880 477310 634888 191990 133585 935315 558139 141724 893331 190118 991968 843042 384930 935256 891482 123419 91431 955722 376987 197566 106433 234494 645967...
output:
512185934 455189773 121665669 408693244 291779262 45671866 242375008 302245547 222004631 41963113 343434445 347127029 183849524 2144625 279866050 221914913 21616647 113757623 22838450 44241592 68851111 113835794 44867948 103210090 50380019 59408992 1636374 91010136 142748495 16471954 94670503 184501...
result:
wrong answer 15th numbers differ - expected: '278637672', found: '279866050'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%