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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#786451#9622. 有限小数EricWWA 26ms3688kbC++141.1kb2024-11-26 21:35:352024-11-26 21:35:54

Judging History

你现在查看的是最新测评结果

  • [2024-11-26 21:35:54]
  • 评测
  • 测评结果:WA
  • 用时:26ms
  • 内存:3688kb
  • [2024-11-26 21:35:35]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
using namespace std;
int ans=1e17,ans1=0;
int max2=40,max5=40;
int tt=0;
void solve()
{
	
	int a,b;
	cin>>a>>b;
//	tt++;
//	if(tt==391)cout<<a<<" "<<b<<"\n";
//	if(tt>5)return ;
	a=a%b;
	int sum=1;
	while(b%2==0)
	 {
	 	sum*=2;
	 	b/=2;
	 }
	 while(b%5==0)
	 {
	 	sum*=5;
	 	b/=5;
	 }
     int temp=sum*b;
     int temp1=sum*b;
	 for(int i=0;i<=max2;i++)
	 { 	
	 	for(int j=0;j<=max5;j++)
	 	{
	      int flag=0;
	 	  temp=sum*b;
	    for(int ii=1;ii<=i;ii++)
	     {
	     	temp=temp*2;
	     	if(temp>1e9)
	     	{
	     		flag=1;
	     		break;
			}
		 }
		 if(flag)
		 break;
		  for(int ii=1;ii<=j;ii++)
	     {
	     	temp=temp*5;
	     	if(temp>1e9)
	     	{
	     		flag=1;
	     		break;
			}
		 }
		 if(flag)
		 break;
		 int c=((-(temp/b/sum)*a)%b+b)%b;
		 if(c<ans)
		 {
		 	ans=c;
		 	ans1=temp;
		 }
		}
	 }
	 cout<<ans/__gcd(ans,ans1)<<' '<<ans1/__gcd(ans,ans1)<<'\n';
}
signed main()
{
	int t;
	cin>>t;
	while(t--)
	{
		ans=1e17;
		solve();
	}
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3688kb

input:

4
1 2
2 3
3 7
19 79

output:

0 1
1 3
1 4375
3 316

result:

ok 4 case(s)

Test #2:

score: -100
Wrong Answer
time: 26ms
memory: 3640kb

input:

10000
11 12
28 53
17 60
2 35
17 181
80 123
68 141
79 163
71 99
13 64
33 61
15 32
16 61
11 86
33 74
128 143
40 53
7 23
30 31
5 6
86 181
73 91
13 23
71 81
1 2
7 38
117 160
33 83
129 151
88 153
25 58
16 19
19 141
95 124
43 96
71 139
11 59
106 109
93 152
34 43
17 99
1 57
20 159
16 25
5 73
159 170
172 17...

output:

1 12
1 828125000
1 60
1 109375
1 231680000
23 960937500
1 36096000
5 326
1 63360
0 1
1 61000
0 1
1 4880
1 10750
1 18500
1 11714560
1 331250
1 898437500
1 31
1 6
1 289600000
1 455000
1 115000000
1 1265625
0 1
1 29687500
0 1
1 415
1 235937500
1 765000000
1 181250
1 2968750
1 4406250
3 24800
1 480
3 34...

result:

wrong answer Jury found better answer than participant's 2 < 3 (Testcase 391)