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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#744751#9622. 有限小数dmrmra#TL 1ms3760kbC++112.1kb2024-11-13 23:10:292024-11-13 23:10:33

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 23:10:33]
  • 评测
  • 测评结果:TL
  • 用时:1ms
  • 内存:3760kb
  • [2024-11-13 23:10:29]
  • 提交

answer

//
// Created by 16373 on 2024/11/13.
//
#include <bits/stdc++.h>
#define int __int128
using namespace std;
const int mod=998244353,inf=1e24,inf1=1e9;
__int128 read(){
    __int128 x=0,f=1;
    char ch=getchar();
    while(!isdigit(ch)&&ch!='-')ch=getchar();
    if(ch=='-')f=-1,ch=getchar();
    while(isdigit(ch))x=x*10+ch-'0',ch=getchar();
    return f*x;
}
void print(__int128 x){
    if(x<0)putchar('-'),x=-x;
    if(x>9)print(x/10);
    putchar(x%10+'0');
}
int qpow(int a,int x){
    int res=1;
    while(x){
        if(x&1) res=res*a;
        x>>=1;
        a*=a;
    }
    return res;
}
void solve(){
    int a,b;
    a=read(); b=read();
    int prime=b;
    int cnt2=0,cnt5=0;
    while(prime%2==0){
        cnt2++;
        prime/=2;
    }
    while(prime%5==0){
        cnt5++;
        prime/=5;
    }
    int pw2=qpow(2,cnt2),pw5=qpow(5,cnt5);
    int now2=1;
//    unordered_map<int,pair<int,int>> mp;
    int c=inf,d;
    for(int i=0;prime*now2*pw2*pw5<=inf;i++,now2*=2){
        int now=now2;
        for(int j=0;prime*now*pw2*pw5<=inf;j++,now*=5){
            int md=a*now%prime;
            int ans=(prime-md)%prime;
            int nc=ans,nd=prime*pw2*pw5*qpow(2,i)*qpow(5,j);
            int gc=__gcd(nc,nd);
            nc/=gc;  nd/=gc;
            if(nd<=(int)1e9 && nc<c){
                c=nc;
                d=nd;
            }
        }
    }
//    int c=inf,d;
//    for(auto e:mp){
//        int pre=e.first;
//        auto sub=e.second;
//        int n2=sub.first,n5=sub.second;
////        cout<<n2<<' '<<n5<<'\n';
//        int nc=pre,nd=prime*pw2*pw5*qpow(2,n2)*qpow(5,n5);
//        int gc=__gcd(nc,nd);
//        nc/=gc;  nd/=gc;
//        cout<<nc<<' '<<nd<<'\n';
//        if(nd<=(int)1e9 && nc<c){
////            cout<<nc<<' '<<nd<<'\n';
//            c=nc; d=nd;
//        }
//    }
    print(c); printf(" "); print(d); printf("\n");
}
signed main(){
    ios::sync_with_stdio(0); cin.tie(0);
    int t;
    t=read();
    while(t--){
        solve();
    }
    return 0;
}
//2
//630
//3029 2336 377 41 10 61
//3000
//20000 10000 0 0 0 0

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3760kb

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
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 828125000
1 60
1 7
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 1484375
0 1
1 415
1 235937500
1 765000000
1 181250
1 2968750
1 4406250
3 775
1 48
3 347500
1 94...

result: