QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#167040#6519. X Equals Yucup-team134#WA 7ms3796kbC++141.5kb2023-09-06 23:46:352023-09-06 23:46:36

Judging History

你现在查看的是最新测评结果

  • [2023-09-06 23:46:36]
  • 评测
  • 测评结果:WA
  • 用时:7ms
  • 内存:3796kb
  • [2023-09-06 23:46:35]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define pb push_back

vector<pair<vector<int>,int>> Cand(int x,int A,int SQ){
	vector<pair<vector<int>,int>> ans;
	for(int mod=2;mod<=min(SQ,A);mod++){
		vector<int> tmp;
		int Z=x;
		while(Z>0){
			tmp.pb(Z%mod);
			Z/=mod;
		}
		ans.pb({tmp,mod});
	}
	sort(ans.begin(),ans.end());
	return ans;
}

bool Solve(int x,int y,int A,int B,int&M1,int&M2){
	if(x==y){
		M1=2;
		M2=2;
		return true;
	}

	int SQ=sqrt(x)+3;
	vector<pair<vector<int>,int>> candA=Cand(x,A,SQ);
	vector<pair<vector<int>,int>> candB=Cand(y,B,SQ);
	for(int i=0,j=0;i<candA.size();i++){
		while(j<candB.size() && candB[j].first<candA[i].first){
			j++;
		}
		if(j<candB.size() && candA[i].first==candB[j].first){
			M1=candA[i].second;
			M2=candB[j].second;
			return true;
		}
	}

	for(int a1=1;a1<=SQ;a1++){
		int L1=x/(a1+1)+1;
		int R1=x/a1;

		L1=max(L1,2);
		R1=min(R1,A);

		int L2=y/(a1+1)+1;
		int R2=y/a1;

		L2=max(L2,2);
		R2=min(R2,B);

		int diff=y-x;
		if(diff%a1==0){
			int gap=diff/a1;
			int L3=max(L2,L1+gap);
			int R3=min(R2,R1+gap);
			if(L3<=R3 && R3-gap>a1){
				M1=R3-gap;
				M2=R3;
				return true;
			}
		}
	}

	return false;
}

int main(){
	int t;
	scanf("%i",&t);
	while(t--){
		int x,y,A,B;
		scanf("%i %i %i %i",&x,&y,&A,&B);
		int M1,M2;
		bool ok;
		if(x<=y){
			ok=Solve(x,y,A,B,M1,M2);
		}else{
			ok=Solve(y,x,B,A,M2,M1);
		}
		if(ok){
			printf("YES\n");
			printf("%i %i\n",M1,M2);
		}else{
			printf("NO\n");
		}
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3796kb

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: 7ms
memory: 3644kb

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
756 497
YES
17 151
NO
YES
289 291
NO
YES
86 75
YES
260 55
NO
YES
341 413
NO
NO
NO
NO
YES
415 145
YES
107 84
YES
15 188
NO
NO
YES
47 39
YES
12 249
NO
NO
YES
196 20
YES
151 120
NO
YES
750 346
NO
YES
67 196
NO
YES
66 29
NO
NO
YES
94 54
YES
6 5
NO
NO
NO
NO
NO
YES
324 129
NO
YES
237 224
YES
211 411
Y...

result:

wrong answer you didn't find a solution but jury did (test case 87)