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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#743772#9622. 有限小数TauLee01#WA 267ms3708kbC++171.3kb2024-11-13 19:59:212024-11-13 19:59:24

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 19:59:24]
  • 评测
  • 测评结果:WA
  • 用时:267ms
  • 内存:3708kb
  • [2024-11-13 19:59:21]
  • 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;
    int d = 1;
    d = b;
    while (b % 2 == 0)
    {
        b = b / 2;
    }
    while (b % 5 == 0)
    {
        b = b / 5;
    }
    int u = b;
    int dddx = u;
    int ansc = 1e18;
    int ansd = 1e9;

    for (int i = 1; i < 100; i++)
    {
        int tep = u;
        if (tep > 1e18) break;
        for (int j = 1; j <= 50; j++)
        {
            if (tep > 1e18) break;
            int nowc = b - (a * (tep / d)) % b;
            nowc = nowc % b;
            int ansup = nowc;
            int ansdown = tep;
            int gc = __gcd(ansup, ansdown);
            ansup = ansup / gc;
            ansdown = ansdown / gc;
            if (ansdown <= 1e9 && ansup < ansc)
            {
                ansc = ansup;
                ansd = ansdown;
            }
            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();
    }
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3636kb

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: 267ms
memory: 3708kb

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:

0 1
1 828125000
0 1
0 1
1 231680000
23 960937500
1 36096000
5 326
1 63360
0 1
1 61000
0 1
1 4880
0 1
0 1
1 11714560
1 331250
1 898437500
1 31
0 1
1 289600000
1 455000
1 115000000
1 1265625
0 1
0 1
0 1
1 415
1 235937500
1 765000000
0 1
1 2968750
1 4406250
0 1
0 1
3 347500
1 944
1 340625
0 1
1 4199218...

result:

wrong answer The result is not terminating.(Testcase 1)