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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
#390545#3272. 简单数据结构274551858520 7ms6192kbC++204.4kb2024-04-15 16:46:412024-04-15 16:46:41

Judging History

你现在查看的是最新测评结果

  • [2024-04-15 16:46:41]
  • 评测
  • 测评结果:20
  • 用时:7ms
  • 内存:6192kb
  • [2024-04-15 16:46:41]
  • 提交

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]])<(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;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 7ms
memory: 6140kb

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: 7ms
memory: 6192kb

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%