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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 |
---|---|---|---|---|---|---|---|---|---|
#737320 | #9622. 有限小数 | nekohshizuku | WA | 12ms | 67896kb | C++20 | 2.4kb | 2024-11-12 15:28:18 | 2024-11-12 15:28:19 |
Judging History
answer
#include<iostream>
#include<string>
#include<cmath>
#include<algorithm>
#include<iomanip>
#include<stack>
#include<unordered_map>
#include<map>
#include<set>
#include<cstring>
#include<vector>
#include<numeric>
#include<queue>
#define Arr arr
#define null NULL
#define Endl endl
#define db double
#define pll pair<ll,ll>
#define vpll vector<pair<ll,ll> >
#define vll vector<ll>
#define vvpll vector<vector<pair<ll,ll> > >
#define vvll vector<vector<ll> >
#define privll priority_queue<ll, vector<ll> ,greater<ll> >
#define privpll priority_queue<pair<ll, ll>, vector<pair<ll,ll> > ,greater<pair<ll,ll> > >
#define ll long long
#define amonglr(x,l,r) x >= l && x <= r
#define rep(i,s,n) for(ll i = (s);i <= (n);i++)
#define per(i,s,n) for(ll i = (s);i >= (n);i--)
using namespace std;
const ll N = 2e6 + 10;
ll mod = 1e9 + 7, inf = 1e17;
string str, stt, stl[N];
ll m, t, k, n, num[N], arr[N];
ll qpow(ll a, ll b) {
ll res = 1;
while (b) {
if (b & 1) res = res * a;
a = a * a;
b >>= 1;
}
return res;
}
ll gcd(ll a, ll b) {
return !b ? a : gcd(b, a % b);
}
void solve() {
ll a, b;
cin >> a >> b;
ll temp = b, ans = 1e12, ans1 = 1e12, cnt2{}, cnt5{};
while (temp % 2 == 0) {
temp /= 2;
cnt2++;
}
while (temp % 5 == 0) {
temp /= 5;
cnt5++;
}
if (temp == 1) {
cout << 0 << " " << 1 << Endl;
return;
}
ll q1 = 1, q2 = 1;
for (int i = 0;; i++) {
ll d = q1 * temp;
q1 *= 2;
if (i > cnt2) q2 = q2 * 2;
ll q5 = 1;
if (d > 1e9) break;
for (int j = 0;; j++) {
if (j) d *= 5;
if (j > cnt5) q5 *= 5;
if (d > 1e9) break;
ll aa = a * q2 * q5;
ll res = aa / temp * temp + temp - aa;
if (q2 == 1) {
ll get = qpow(2, cnt2 - i);
res /= get;
}
if (q5 == 1) {
ll get = qpow(5, cnt5 - j);
res /= get;
}
if (ans > res) {
ans = res;
ans1 = d;
}
}
}
cout << ans << " " << ans1 << endl;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
t = 1;
cin >> t;
while (t--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 3ms
memory: 67896kb
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: 12ms
memory: 67756kb
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 3 1 828125000 0 3 0 14 1 231680000 23 960937500 1 36096000 5 326 1 63360 0 1 1 61000 0 1 1 4880 0 5375 1 18500 1 11714560 1 331250 1 898437500 1 31 0 3 1 289600000 1 455000 1 115000000 1 1265625 0 1 1 95 0 1 1 415 1 235937500 1 765000000 0 90625 1 2968750 1 4406250 3 775 0 3 3 347500 1 944 1 34062...
result:
wrong answer The result is not terminating.(Testcase 1)