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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#743772 | #9622. 有限小数 | TauLee01# | WA | 267ms | 3708kb | C++17 | 1.3kb | 2024-11-13 19:59:21 | 2024-11-13 19:59:24 |
Judging History
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)