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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 |
---|---|---|---|---|---|---|---|---|---|
#742147 | #9622. 有限小数 | ucup-team4074# | WA | 46ms | 3696kb | C++17 | 1.4kb | 2024-11-13 15:59:05 | 2024-11-13 15:59:06 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define fast ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
using namespace std;
void solve();
const int N = 1e5 + 10, P = 998244353;
int pw_2[N], pw_5[N];
signed main() {
fast
pw_2[0] = pw_5[0] = 1;
for (int i = 1; i <= 30; i++)pw_2[i] = pw_2[i - 1] * 2, pw_5[i] = pw_5[i - 1] * 5;
int t = 1;
cin >> t;
while (t--) solve();
}
void solve() {
int a, b, ansc(1e9), ansd(0);
cin >> a >> b;
ansc = b - a;
ansd = b;
int nb(b);
while (nb % 2 == 0)nb /= 2;
while (nb % 5 == 0)nb /= 5;
if (nb == 1) {
cout << 0 << " " << 1 << '\n';
return;
}
for (int i = 0; i <= 30; i++) {
for (int j = 0; j <= 12; j++) {
if (pw_2[i] * pw_5[j] <= 1000000000) {
if (pw_2[i] * pw_5[j] * b <= 1000000000) {
int c(nb - (pw_2[i] * pw_5[j] * a) % nb);
if (ansc > c / (gcd(c, pw_2[i] * pw_5[j] * b))) {
ansc = c / (gcd(c, pw_2[i] * pw_5[j] * b));
ansd = pw_2[i] * pw_5[j] * b / (gcd(c, pw_2[i] * pw_5[j] * b));
}
}
} else {
break;
}
}
}
cout << ansc << " " << ansd << '\n';
return;
}
/*
4
1 2
2 3
3 7
19 79
*/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3580kb
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: 46ms
memory: 3696kb
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)