QOJ.ac

QOJ

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
#743329#9622. 有限小数TauLee01#TL 0ms3604kbC++171.2kb2024-11-13 18:57:102024-11-13 18:57:11

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 18:57:11]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:3604kb
  • [2024-11-13 18:57:10]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42;
#define endl '\n'
#endif

#define int long long
void solve() {
    int a, b;
    cin >> a >> b;
    __int128 d = 1;
    d = b;
    while (b % 2 == 0)
    {
        b = b / 2;
    }
    while (b % 5 == 0)
    {
        b = b / 5;
    }
    __int128 u = d;
    int ansc = 1e9;
    int ansd = 1e9;
    __int128 aa = 1;
    for (int i = 1; i < 100; i++)
    {
        __int128 tep = u;
        if (tep > (aa << 124)) break;
        for (int j = 1; j <= 50; j++)
        {
            if (tep > (aa << 124)) break;
            __int128 nowc = b - (a * (tep / d)) % b;
            nowc = nowc % b;
            __int128 gc = __gcd(nowc, tep);
            if (nowc / gc < ansc && tep / gc <= 1e9)
            {
                ansc = nowc / gc;
                ansd = tep / gc;
            }
            tep = tep * 5;
        }
        u = u * 2;
    }
    cout << ansc << " " << ansd << '\n';
}

signed main()
{
    ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    int __; cin >> __;
    while (__--) {
        solve();
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3604kb

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: