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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
#796732#9622. 有限小数AdisFDTL 0ms3652kbC++141.1kb2024-12-02 01:03:032024-12-02 01:03:04

Judging History

你现在查看的是最新测评结果

  • [2024-12-02 01:03:04]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:3652kb
  • [2024-12-02 01:03:03]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
int T,a,b,c,ans,ans1,ans2,gd1,k2,k5,a2,a5;
int i1,i2;
int gcd(int a1,int b1) {
	int c1=a1%b1;
	while(b1!=0) {
		c1=a1%b1;
		a1=b1;
		b1=c1;
	}
	return a1;
}
int dfs(int a1,int b1,bool b2) {
	int gd=1;
	if(ans==1)return 0;
	gd=gcd(c-(a1%c),b1);
	if(b1/gd>1000000000)return 0;
	if((c-(a1%c))/gd<ans) {
		ans=(c-(a1%c))/gd;
		ans1=b1/gd;
	}
	if(b2==0)dfs(a1*2,b1*2,0);
	dfs(a1*5,b1*5,1);
	return 0;
}

signed main() {
	cin>>T;
	for(int I=1; I<=T; I++) {
		cin>>a>>b;
		c=b;
		while(c%2==0) {
			c/=2;
			k2++;
		}
		while(c%5==0) {
			c/=5;
			k5++;
		}
		if(c==1) {
			cout<<"0 1"<<endl;
			continue;
		}
		ans=c+1;
		dfs(a,b,0);
		a2=1;
		for(int i=0; i<=k2; i++) {
			a2*=2;
			a5=1;
			for(int ii=0; ii<=k5; ii++) {
				a5*=5;
				i1=a2*a5/10;
				for(int j=1; j<min(i1,c); j++) {
					ans2=j*(b/i1)+a;
					ans2=c-(ans2%c);
					if(ans2==c) {
						gd1=gcd(j,i1);
						if(j/gd1<ans) {
							ans=j/gd1;
							ans1=i1/gd1;
						}
					}
				}
			}
		}
		cout<<ans<<" "<<ans1<<endl;
	}
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3652kb

input:

4
1 2
2 3
3 7
19 79

output:

0 1
1 3
1 14
3 316

result:

ok 4 case(s)

Test #2:

score: -100
Time Limit Exceeded

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 54272
1 60
1 7
1 231680000
23 3936
1 36096000
5 326
1 6336000
0 1
1 31232
0 1
1 4880
1 44032
1 757760
1 11714560
1 53000000
1 2944
1 31
1 6
1 289600000
1 455000
1 120586240
1 331776000
0 1
1 304
0 1
1 25937500
1 19328000
1 765000000
1 475136000
1 608
1 72192
1 2
1 48
1 2
1 944
1 43600
1 76
1 ...

result: