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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 |
---|---|---|---|---|---|---|---|---|---|
#738419 | #9622. 有限小数 | huo_hua_ya | WA | 214ms | 3676kb | C++23 | 1.4kb | 2024-11-12 19:01:20 | 2024-11-12 19:01:22 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e6 + 7;
const int mod = 998244353;
#define int ll
std::vector<int> vc;
void solve()
{
ll a, b;
cin >> a >> b;
int c = 1e9, d = 1e9;
for (auto x : vc)
{
int l = 0, r = x;
auto check = [&](int mid)
{
double ab = 1.0 * a / b;
double now = 1.0 * mid / x;
if (now < ab)
return false;
else
return true;
};
while (l < r)
{
int mid = l + r >> 1;
if (check(mid))
r = mid;
else
l = mid + 1;
}
ll lt=b*l,at = x*a;
ll gf = b*x;
ll tal = lt - at;
ll gc = __gcd(gf,tal);
gf/=gc;
tal/=gc;
if (tal < c&&d<=1e9)
{
c = tal, d = gf;
}
}
if (c == 1e9)
{
cout << 0 << ' ' << 1 << '\n';
}
cout << c << ' ' << d << '\n';
}
signed main()
{
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
for (ll now = 1; now <= 1000000000; now *= 2)
for (ll tmp = 1; tmp * now <= 1000000000; tmp *= 5)
{
vc.push_back(now * tmp);
}
sort(vc.begin(), vc.end());
int _ = 1;
cin >> _;
while (_--)
solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3676kb
input:
4 1 2 2 3 3 7 19 79
output:
0 1 1 3 1 14 3 316
result:
ok 4 case(s)
Test #2:
score: -100
Wrong Answer
time: 214ms
memory: 3668kb
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 54272 1 60 1 7 1 231680000 23 3936 1 36096000 4 1591796875 1 63360 0 1 1 31232 0 1 1 4880 1 10750 1 18500 1 11714560 1 331250 1 2944 1 31 1 6 1 289600000 1 455000 1 58880 1 51840 0 1 1 304 0 1 1 415 1 19328000 1 765000000 1 4640 1 608 1 72192 3 775 1 480 1 3558400000 1 944 1 43600 1 76 1 4300...
result:
wrong answer Integer 1591796875 violates the range [1, 10^9]