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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#358180#6519. X Equals YDoqeWA 3ms3772kbC++201.4kb2024-03-19 18:01:582024-03-19 18:01:58

Judging History

你现在查看的是最新测评结果

  • [2024-03-19 18:01:58]
  • 评测
  • 测评结果:WA
  • 用时:3ms
  • 内存:3772kb
  • [2024-03-19 18:01:58]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
unordered_map<unsigned,int>S;
mt19937 rnd(1375413);
unsigned msk[32];
unsigned F(int x,int y)
{
	unsigned C=0,A=0;
	while(x)A+=msk[C++]*(x%y),x/=y;
	return A;
}
string tr(int x,int y)
{
	string A;
	while(x)A+=to_string(x%y),x/=y;
	return A;
}
struct node
{
	int l,r,v;
}K[101000];
int t;int X,Y;
void YES(int x,int y)
{
	cout<<"YES\n"<<x<<" "<<y<<"\n";
//	cerr<<tr(X,x)<<"   "<<tr(Y,y)<<endl;
}
void solve()
{
	int x,y,A,B;
	cin>>x>>y>>A>>B;
	X=x,Y=y;
	if(x==1||y==1)
	{
		if(x==y)return YES(2,2);
		if(x!=y){cout<<"NO\n";return;}
	}
	if(A>=x&&B>=y)return YES(x,y);
	A=min(A,x),B=min(B,y);
	int lA=min(A,(int)sqrt(x)),lB=min(B,(int)sqrt(y));
	S.clear();
	for(int i=2;i<=lA;++i)S[F(x,i)]=i;unsigned w1;
	for(int i=2;i<=lB;++i)if(S.find(w1=F(y,i))!=S.end())return YES(S[w1],i);
	t=0;
	for(int l=lA+1,r,w;l<=A;l=r+1)
	{
		r=x/(w=x/l);
		K[++t]={l,r,w};
	}
	int p=1;
	for(int l=lB+1,r,w;l<=B;l=r+1)
	{
		r=y/(w=y/l);
		while(p<=t&&K[p].v>w)++p;
		if(K[p].v==w)
		{
			if(x%w!=y%w)continue;
			int xl=x-K[p].r*w,xr=x-K[p].l*w;
			int yl=y-     r*w,yr=y-     l*w;
			if(max(xl,yl)<=min(xr,yr))
			{
				int z=max(xl,yl);
				YES((x-z)/w,(y-z)/w);
				return;
			}
		}
	}
	cout<<"NO\n";
}
int main()
{
	for(int i=0;i<31;++i)msk[i]=rnd();
	int T;cin>>T;
	while(T--)solve();
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3772kb

input:

6
1 1 1000 1000
1 2 1000 1000
3 11 1000 1000
157 291 5 6
157 291 3 6
10126 114514 789 12345

output:

YES
2 2
NO
YES
3 11
YES
4 5
NO
YES
6 10

result:

ok correct (6 test cases)

Test #2:

score: -100
Wrong Answer
time: 3ms
memory: 3512kb

input:

1000
920 661 756 534
52 454 31 218
980 77 812 6
729 733 289 660
161 643 21 475
602 525 329 274
782 167 279 113
875 100 388 16
426 498 341 417
433 751 312 39
91 50 47 39
941 388 247 46
725 808 148 486
945 405 700 145
647 509 152 445
45 564 16 468
843 40 530 3
722 36 323 22
568 472 443 41
38 749 25 42...

output:

YES
131 94
YES
8 75
NO
YES
182 183
NO
YES
54 47
YES
25 10
NO
YES
23 27
NO
YES
91 50
NO
NO
YES
52 22
YES
107 84
YES
15 188
NO
YES
361 18
YES
35 29
YES
12 249
NO
NO
YES
16 5
YES
151 120
NO
YES
249 148
YES
155 916
YES
22 65
NO
YES
66 29
YES
318 65
NO
YES
37 21
YES
6 5
NO
NO
NO
NO
NO
YES
43 17
NO
YES
38...

result:

wrong answer Integer parameter [name=a] equals to 91, violates the range [2, 47] (test case 11)