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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#824507#9774. Same Sumucup-team3510#WA 544ms41036kbC++203.6kb2024-12-21 14:28:342024-12-21 14:28:37

Judging History

你现在查看的是最新测评结果

  • [2025-01-11 11:59:18]
  • hack成功,自动添加数据
  • (/hack/1443)
  • [2024-12-23 17:02:06]
  • hack成功,自动添加数据
  • (/hack/1310)
  • [2024-12-23 16:48:26]
  • hack成功,自动添加数据
  • (/hack/1309)
  • [2024-12-23 16:33:45]
  • hack成功,自动添加数据
  • (/hack/1308)
  • [2024-12-23 16:23:53]
  • hack成功,自动添加数据
  • (/hack/1307)
  • [2024-12-23 16:13:08]
  • hack成功,自动添加数据
  • (/hack/1306)
  • [2024-12-23 15:54:42]
  • hack成功,自动添加数据
  • (/hack/1305)
  • [2024-12-23 14:58:39]
  • hack成功,自动添加数据
  • (/hack/1304)
  • [2024-12-23 09:58:11]
  • hack成功,自动添加数据
  • (/hack/1302)
  • [2024-12-23 09:47:22]
  • hack成功,自动添加数据
  • (/hack/1301)
  • [2024-12-23 09:41:23]
  • hack成功,自动添加数据
  • (/hack/1300)
  • [2024-12-23 09:26:32]
  • hack成功,自动添加数据
  • (/hack/1299)
  • [2024-12-23 09:19:58]
  • hack成功,自动添加数据
  • (/hack/1298)
  • [2024-12-23 09:13:29]
  • hack成功,自动添加数据
  • (/hack/1297)
  • [2024-12-22 18:52:18]
  • hack成功,自动添加数据
  • (/hack/1296)
  • [2024-12-22 18:13:14]
  • hack成功,自动添加数据
  • (/hack/1294)
  • [2024-12-21 14:28:37]
  • 评测
  • 测评结果:WA
  • 用时:544ms
  • 内存:41036kb
  • [2024-12-21 14:28:34]
  • 提交

answer

#include<iostream>
using namespace std;
inline int qpow(int a,long long b,int mod)
{
	int ret=1;
	while(b)
	{
		if(b&1)
		{
			ret=(long long)
			ret*a%mod;
		}
		a=(long long)
		a*a%mod,b>>=1;
	}
	return ret;
}
struct Tree
{
	int mod,B,P[200010],invp[200010];
	inline int add(int x,int y)
	{
		x+=y;
		return x<mod?x:x-mod;
	}
	inline void init(int Mod,int base)
	{
		mod=Mod,B=base;
		for(int i=P[0]=invp[0]=1;i<=2e5;i++)
		{
			P[i]=(long long)P[i-1]*B%mod;
			invp[i]=qpow(P[i],mod-2,mod);
		}
	}
	struct tree
	{
		int mul1,mul2,sum1,sum2;
		long long add,sum;
	};
	tree a[800000];
	inline void update(int p)
	{
		a[p].sum=a[p<<1].sum+a[(p<<1)|1].sum;
		a[p].sum1=add(a[p<<1].sum1,a[(p<<1)|1].sum1);
		a[p].sum2=add(a[p<<1].sum2,a[(p<<1)|1].sum2);
	}
	inline void add(int p,int l,int r,long long v)
	{
		a[p].sum+=(r-l+1)*v,a[p].add+=v;
	}
	inline void Add1(int p,int v)
	{
		a[p].sum1=(long long)a[p].sum1*v%mod;
		a[p].mul1=(long long)a[p].mul1*v%mod;
	}
	inline void Add2(int p,int v)
	{
		a[p].sum2=(long long)a[p].sum2*v%mod;
		a[p].mul2=(long long)a[p].mul2*v%mod;
	}
	inline void pushdown(int l,int mid,int r,int p)
	{
		add(p<<1,l,mid,a[p].add);
		add((p<<1)|1,mid+1,r,a[p].add);
		Add1(p<<1,a[p].mul1);
		Add1((p<<1)|1,a[p].mul1);
		Add2(p<<1,a[p].mul2);
		Add2((p<<1)|1,a[p].mul2);
		a[p].add=0,a[p].mul1=a[p].mul2=1;
	}
	void change(int l,int r,int ll,int rr,int v,int p)
	{
		if(r<ll||l>rr)
		{
			return;
		}
		if(ll<=l&&r<=rr)
		{
			add(p,l,r,v);
			Add1(p,P[v]);
			Add2(p,invp[v]);
			return;
		}
		int mid=l+r>>1;
		pushdown(l,mid,r,p);
		change(l,mid,ll,rr,v,p<<1);
		change(mid+1,r,ll,rr,v,(p<<1)|1);
		update(p);
	}
	long long query(int l,int r,int ll,int rr,int p)
	{
		if(r<ll||l>rr)
		{
			return 0;
		}
		if(ll<=l&&r<=rr)
		{
			return a[p].sum;
		}
		int mid=l+r>>1;
		pushdown(l,mid,r,p);
		return query(l,mid,ll,rr,p<<1)
		+query(mid+1,r,ll,rr,(p<<1)|1);
	}
	int query1(int l,int r,int ll,int rr,int p)
	{
		if(r<ll||l>rr)
		{
			return 1;
		}
		if(ll<=l&&r<=rr)
		{
			return a[p].sum1;
		}
		int mid=l+r>>1;
		pushdown(l,mid,r,p);
		return (long long)query1(l,mid,ll,rr,p<<1)
		*query1(mid+1,r,ll,rr,(p<<1)|1)%mod;
	}
	int query2(int l,int r,int ll,int rr,int p)
	{
		if(r<ll||l>rr)
		{
			return 1;
		}
		if(ll<=l&&r<=rr)
		{
			return a[p].sum2;
		}
		int mid=l+r>>1;
		pushdown(l,mid,r,p);
		return (long long)query2(l,mid,ll,rr,p<<1)
		*query2(mid+1,r,ll,rr,(p<<1)|1)%mod;
	}
	void build(int l,int r,int p,int *v)
	{
		a[p].add=0,a[p].mul1=a[p].mul2=1;
		if(l==r)
		{
			a[p].sum=v[l];
			a[p].sum1=P[v[l]];
			a[p].sum2=invp[v[l]];
			return;
		}
		int mid=l+r>>1;
		build(l,mid,p<<1,v);
		build(mid+1,r,(p<<1)|1,v);
		update(p);
	}
};
const int mod1=1e9+7,mod2=1e9+9;
const int base1=131,base2=233;
Tree T1,T2;
int n,m,A[200010];
inline bool judge(Tree &T,int l,int r,long long k)
{
	int sum1=T.query1(1,n,l,r,1);
	int sum2=T.query2(1,n,l,r,1);
	return sum1==(long long)
	qpow(T.B,k,T.mod)*sum2%T.mod;
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n>>m;
	for(int i=1;i<=n;i++)
	{
		cin>>A[i];
	}
	T1.init(mod1,base1);
	T1.build(1,n,1,A);
	T2.init(mod2,base2);
	T2.build(1,n,1,A);
	while(m--)
	{
		int op,l,r;
		cin>>op>>l>>r;
		if(op==1)
		{
			int v;
			cin>>v;
			T1.change(1,n,l,r,v,1);
			T2.change(1,n,l,r,v,1);
		}
		else
		{
			long long sum=T1.query(1,n,l,r,1);
			int len=r-l+1>>1;
			if(sum%len)
			{
				cout<<"NO\n";
				continue;
			}
			long long k=sum/len;
			cout<<((judge(T1,l,r,k)&&
			judge(T2,l,r,k))?"YES":"NO")<<'\n';
		}
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 89ms
memory: 7704kb

input:

8 4
1 2 3 4 5 6 7 8
2 1 8
1 1 4 4
2 1 6
2 1 8

output:

YES
NO
YES

result:

ok 3 token(s): yes count is 2, no count is 1

Test #2:

score: -100
Wrong Answer
time: 544ms
memory: 41036kb

input:

200000 200000
0 0 0 1 1 0 2 1 1 2 0 1 0 0 0 2 1 0 1 2 2 1 2 1 2 0 0 2 1 2 1 0 0 2 0 2 1 1 1 2 0 0 0 0 2 0 1 0 0 2 2 1 1 0 0 2 1 0 2 0 2 1 2 1 0 1 2 1 0 1 2 1 2 1 0 1 2 0 1 0 1 1 0 2 1 2 0 2 2 1 1 2 1 2 2 0 0 1 2 0 0 2 2 0 1 2 2 0 0 1 2 1 2 0 2 0 0 2 0 2 1 0 1 1 1 1 2 1 2 0 1 2 1 0 2 1 0 1 1 2 2 0 1 ...

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 expected YES, found NO [464th token]