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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#707833#8338. Quad Kingdoms ChesswyhaoWA 32ms7968kbC++142.3kb2024-11-03 17:45:062024-11-03 17:45:08

Judging History

你现在查看的是最新测评结果

  • [2024-11-03 17:45:08]
  • 评测
  • 测评结果:WA
  • 用时:32ms
  • 内存:7968kb
  • [2024-11-03 17:45:06]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
const int N=100005;
int n1,n2,m;
mt19937_64 rnd(114514);
int a[N],b[N];
map<int,ull>mp;
ull w1,w2;
int stk[N],tot;
bool in1[N],in2[N];
set<int>s1,s2;
ull HASH(int x){
    // return 1<<x-1;
    if(!mp[x]) mp[x]=rnd();
    return mp[x];
}
vector<int> vec;
class SEG{
    public:
    int n;
    struct node{
        int x,y;
        int mx;
        ull hsh,lhsh;
    }T[N<<2];
    ull find(int p,int x){
        if(T[p].mx < x) return 0;
        if(T[p].x==T[p].y){
            return T[p].hsh;
        }
        int mid=(T[p].x+T[p].y)>>1;
        if(T[2*p+1].mx >= x) return T[p].lhsh ^ find(2*p+1,x);
        else return find(2*p,x);
    }
    void up(int p){
        T[p].mx=max(T[2*p].mx,T[2*p+1].mx);
        T[p].lhsh = find(2*p,T[2*p+1].mx);
        T[p].hsh = T[p].lhsh^T[2*p+1].hsh;
    }
    void init(int p,int l,int r,int *c){
        T[p].x=l;T[p].y=r;
        if(l<r){
            int mid=(l+r)>>1;
            init(2*p,l,mid,c);
            init(2*p+1,mid+1,r,c);
            up(p);
        }else{
            T[p].mx=c[l];
            T[p].lhsh=0;
            T[p].hsh=HASH(c[l]);
        }
    }
    void change(int p,int l,int v){
        if(T[p].x==T[p].y){
            T[p].mx = v;
            T[p].hsh= HASH(v);
            return ;
        }
        int mid=(T[p].x+T[p].y)>>1;
        if(l<=mid) change(2*p,l,v);
        else change(2*p+1,l,v);
        up(p); 
    }
    void print(int p){
        cout<<p<<" "<<T[p].x<<" "<<T[p].y<<":"<<T[p].hsh<<" "<<T[p].lhsh<<endl;
        if(T[p].x==T[p].y) return ;
        print(2*p);print(2*p+1);
    }
}T1,T2;
int main(){
    // freopen("ex.in","r",stdin);
    scanf("%d",&n1);
    for(int i=1;i<=n1;i++) scanf("%d",&a[i]);
    T1.init(1,1,n1,a);
    scanf("%d",&n2);
    for(int i=1;i<=n2;i++) scanf("%d",&b[i]);
    T2.init(1,1,n2,b);
    scanf("%d",&m);
    int opt,x,y;
    // cout<<T1.T[1].hsh<<" "<<T2.T[1].hsh<<endl;
    while(m--){
        scanf("%d%d%d",&opt,&x,&y);
        vec.clear();
        if(opt==1){
            T1.change(1,x,y);
            // T1.print(1);
        }else{
            T2.change(1,x,y);
            // T2.print(1);
        }
        if(T1.T[1].hsh == T2.T[1].hsh) puts("YES");
        else puts("NO");
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 7828kb

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: 32ms
memory: 7968kb

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
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
NO
YES
NO
NO
YES
YES
YES
NO
NO
YES
YES
NO
YES
YES
YES
NO
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
NO
NO
YE...

result:

wrong answer 48th words differ - expected: 'NO', found: 'YES'