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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#736671#9622. 有限小数UESTC_NLNSWA 57ms3868kbC++201.5kb2024-11-12 12:25:292024-11-12 12:25:31

Judging History

你现在查看的是最新测评结果

  • [2024-11-12 12:25:31]
  • 评测
  • 测评结果:WA
  • 用时:57ms
  • 内存:3868kb
  • [2024-11-12 12:25:29]
  • 提交

answer

#include <bits/stdc++.h>
#define INF 1000000000
using namespace std;
using ll = long long;
int t, a, b, as1, as2;
namespace INV {
ll x, y;
void exgcd(int a, int b) {
    if (b == 0) {
        x = 1, y = 0;
        return;
    }
    exgcd(b, a % b);
    ll tx = x;
    x = y;
    y = tx - y * (a / b);
}

int inv(int v, int p) {
    exgcd(v, p);
    return (x % p + p) % p;
}
} // namespace INV
using INV::inv;

int gcd(int x, int y) {
    return y ? gcd(y, x % y) : x;
}

signed main() {
    cin.tie(0), cout.tie(0), ios::sync_with_stdio(0);
    int t0;
    cin >> t0;
    t = t0;
    vector<int> v1, v2, v;
    ll x = 1;
    while (x < INF) v1.push_back(x), x = x * 2;
    x = 1;
    while (x < INF) v2.push_back(x), x = x * 5;
    for (int x : v1) {
        for (int y : v2) {
            if (1ll * x * y <= INF) v.push_back(x * y);
        }
    }
    sort(v.begin(), v.end());
    while (t--) {
        int aa, bb;
        cin >> aa >> bb;
        as1 = INF, as2 = INF, a = aa, b = bb;
        if (a == 0) {
            cout << 0 << " " << 1 << '\n';
            continue;
        }
        for (int f : v) {
            int dd = gcd(f, b);
            if (1ll * f * b / dd > INF) continue;
            int bb = b / dd, ff = f / dd;
            // int d = f * bb;
            int c = (bb - 1ll * a * ff % bb) % bb, d = f * bb;
            if (c < as1) as1 = c, as2 = d;
        }
        cout << as1 << ' ' << as2 << '\n';
    }
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3560kb

input:

4
1 2
2 3
3 7
19 79

output:

0 2
1 3
1 14
3 316

result:

ok 4 case(s)

Test #2:

score: -100
Wrong Answer
time: 57ms
memory: 3868kb

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
1 350
1 231680000
23 3936
1 36096000
5 326
1 63360
0 64
1 31232
0 32
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 2
1 304
0 160
1 415
1 19328000
1 765000000
1 4640
1 608
1 72192
3 24800
1 480
3 347500
1 944
1 43600
1 1520
1 43000...

result:

wrong answer Jury found better answer than participant's 1 < 2 (Testcase 321)