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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#671846#8338. Quad Kingdoms ChesssjcxWA 15ms6084kbC++232.2kb2024-10-24 14:41:582024-10-24 14:41:58

Judging History

你现在查看的是最新测评结果

  • [2024-10-24 14:41:58]
  • 评测
  • 测评结果:WA
  • 用时:15ms
  • 内存:6084kb
  • [2024-10-24 14:41:58]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<vector>
#include<queue>
#include<random>
#include<ctime>
using namespace std;
#define re int
#define ll unsigned long long
inline int read(){
    int x=0,ff=1;char c=getchar();
    while(c<'0'||c>'9'){if(c=='-')ff=-1;c=getchar();}
    while(c>='0'&&c<='9'){x=(x<<1)+(x<<3)+(c^'0');c=getchar();}
    return x*ff;
}
const int mn1=1e9+7;
const int b1=233;
const int B=600;
inline int md1(int x){return x>=mn1?x-mn1:x;}
int g1[100005];
struct H{
	int s,vl1,tp;
};
void cl(H &x,int y){
	x.s=1;x.vl1=1ll*y*b1%mn1;
	x.tp=y;
}
H add(H x,int y){
	H u;u.s=x.s+1;
	u.vl1=md1(1ll*x.vl1*b1%mn1+1ll*y*b1%mn1);
	u.tp=x.tp;return u;
}
H merge(H x,H y){
	H u;u.s=x.s+y.s;
	u.vl1=md1(1ll*x.vl1*g1[y.s]%mn1+y.vl1);
	u.tp=x.tp;return u;
}
void cle(vector<int> &qwq){
	vector<int> awa;swap(qwq,awa);
}
struct tt{
	int a[100005],n,m;
	H h[100005];
	bool b[100005];
	vector<int>st[1000];
	void build(int i){
		int len=0;cle(st[i]);
		for(re j=(i-1)*B+1;j<=i*B&&j<=n;j++){
			while(len){
				if(a[st[i][len-1]]<a[j])st[i].pop_back(),len--;
				else break;
			}
			if(!len){
				st[i].emplace_back(j);
				len++;
				cl(h[j],a[j]);continue;
			}
			else {
				h[j]=add(h[st[i][len-1]],a[j]);
				len++;st[i].emplace_back(j);
			}
		}
	}
	void init(){
		n=read();
		m=(n-1)/B+1;
		for(re i=1;i<=n;i++)a[i]=read();
		for(re i=1;i<=m;i++)build(i);
	}
	void update(int x,int y){
		int u=(x-1)/B+1;
		if(!b[x]&&a[x]>=y){
			if(x!=n){a[x]=y;return;}
		}
		a[x]=y;build(u);
	}
	H ask(){
		H qwq=h[n];
		for(re i=m-1;i>0;i--){
			int l=0,r=st[i].size()-1,mid;
			if(a[st[i][0]]<qwq.tp)continue;
			while(l<=r){
				mid=(l+r)>>1;
				if(qwq.tp>a[st[i][mid]])r=mid-1;
				else l=mid+1;
			}
			l--;
			if(l>=0)qwq=merge(h[st[i][l]],qwq);
		}
		return qwq;
	}
}T[2];
int main(){
	g1[0]=1;
	for(re i=1;i<=100000;i++){
		g1[i]=1ll*g1[i-1]*b1%mn1;
	}
	T[0].init();
	T[1].init();
	int m=read(),t,x,y;
	while(m--){
		t=read();x=read();y=read();
		T[t-1].update(x,y);if(T[0].a[T[0].n]!=T[1].a[T[1].n]){puts("NO");continue;}
		H qwq=T[0].ask();H awa=T[1].ask();
		if(qwq.vl1==awa.vl1)puts("YES");
		else puts("NO");
	}
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 6068kb

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: 15ms
memory: 6084kb

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
YES
YES
YES
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'