QOJ.ac

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
#347991#8338. Quad Kingdoms Chessucup-team346#WA 36ms29584kbC++142.4kb2024-03-09 16:31:432024-03-09 16:31:46

Judging History

你现在查看的是最新测评结果

  • [2024-03-09 16:31:46]
  • 评测
  • 测评结果:WA
  • 用时:36ms
  • 内存:29584kb
  • [2024-03-09 16:31:43]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define M 100005
int n1,n2,A[M],B[M],q;
void Rd(int &x){
    scanf("%d",&x);
}
using ll = long long;
const int BS = 1e5+43;
const ll P=1e9+21;
using pll = pair<ll,ll>;
ll Pw[M];
void Init(){
    Pw[0]=1;
    for(int i=1;i<M;i++)
        Pw[i]=Pw[i-1]*BS%P;
}
struct Seg{
    struct TNODE{
        int l,r,mx;
        pll v;
    }tree[M<<2];
    #define fa tree[p]
    #define lson tree[p<<1]
    #define rson tree[p<<1|1]
    int pos[M];
    pll Ask(pll v,int mx,int p){
        ll sz = 0;
        ll ret = 0;
        while(fa.l^fa.r){
            auto [fs,fv] = fa.v;
            if(rson.mx >= mx){
                ll ls = fs - rson.v.first;
                ll lv = (fv + P - 1ll*rson.v.second*Pw[ls]%P)%P;
                ret = (ret + 1ll*Pw[sz]*lv)%P;
                sz += ls;
                p=p<<1|1;
            }else p<<=1;
        }
        if(fa.mx >= mx){
            ret = (ret + 1ll*Pw[sz]*fa.mx)%P;
            sz++;
            // cout<<"OK"<<endl;
        }
        return pll(sz+v.first,(ret + 1ll*v.second*Pw[sz])%P);
    }
    void Up(int p){
        fa.v = Ask(rson.v,rson.mx,p<<1);
        fa.mx = max(lson.mx,rson.mx);
        // cout<<fa.v.first<<' '<<fa.v.second<<endl;
        // exit(0);
    }
    void build(int l,int r,int *A,int p=1){
        fa.l=l,fa.r=r;
        if(l==r){
            pos[l]=p,fa.v=pll(1,A[l]),fa.mx=A[l];
            return;
        }
        int mid=l+r>>1;
        build(l,mid,A,p<<1);
        build(mid+1,r,A,p<<1|1);
        Up(p);
        // cout<<fa.v.first<<' '<<fa.v.second<<endl;
    }
    void Update(int x){
        int p = pos[x];
        fa.v = pll(1,A[x]);
        fa.mx = A[x];
        for(int i=p>>1;i;i>>=1)Up(i);
    }
    pll Query(){
        return tree[1].v;
    }
    #undef fa
    #undef lson
    #undef rson
}T1,T2;
int main(){
    Init();
    Rd(n1);
    for(int i=1;i<=n1;i++)Rd(A[i]);
    Rd(n2);
    for(int i=1;i<=n2;i++)Rd(B[i]);
    Rd(q);
    T1.build(1,n1,A);
    T2.build(1,n2,B);
    while(q--){
        int op,x,y;
        Rd(op),Rd(x),Rd(y);
        if(op==1){
            A[x]=y;
            T1.Update(x);
        }else {
            B[x]=y;
            T2.Update(x);
        }
        // cout<<T1.Query().first<<' '<<T1.Query().second<<endl;
        puts(T1.Query() == T2.Query()?"YES":"NO");
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 29584kb

input:

5
1 2 3 4 5
5
5 4 3 2 1
8
1 1 5
1 4 2
1 2 4
1 5 1
1 5 5
2 1 4
2 3 5
2 5 5

output:

NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 8 tokens

Test #2:

score: -100
Wrong Answer
time: 36ms
memory: 29408kb

input:

1
2
6
2 1 1 1 1 1
200000
2 6 2
1 1 1
1 1 1
1 1 2
2 1 1
1 1 2
1 1 1
2 4 1
2 1 2
1 1 1
1 1 2
2 5 1
1 1 1
1 1 2
1 1 1
2 6 1
1 1 2
1 1 2
1 1 2
2 3 1
1 1 1
2 1 1
2 6 2
1 1 2
2 4 1
1 1 2
2 6 1
1 1 2
1 1 1
2 5 2
2 6 2
1 1 1
2 4 2
2 5 2
2 6 2
1 1 1
2 5 1
2 6 2
1 1 2
1 1 1
1 1 1
2 4 1
1 1 2
1 1 2
1 1 2
2 3 2...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
...

result:

wrong answer 5th words differ - expected: 'YES', found: 'NO'