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
#743244#9622. 有限小数TauLee01#WA 54ms3660kbC++171022b2024-11-13 18:41:402024-11-13 18:41:41

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 18:41:41]
  • 评测
  • 测评结果:WA
  • 用时:54ms
  • 内存:3660kb
  • [2024-11-13 18:41:40]
  • 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=d;
    int ansc=1e9;
    int ansd=1e9;
    for(int i=1;i<32;i++)
    {
        int tep=u;
        if(tep>1e9) break;
        for(int j=1;j<=22;j++)
        {
            if(tep>1e9) break;
            int nowc=b-(a*(tep/d))%b;
            nowc=nowc%b;
            int gc=__gcd(nowc,tep);
            if(nowc/gc<ansc)
            {
                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();
    }
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3584kb

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: 54ms
memory: 3660kb

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:

wrong answer Jury found better answer than participant's 1 < 2 (Testcase 8812)