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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#89905 | #5103. Fair Division | _skb_# | WA | 2ms | 3404kb | C++20 | 902b | 2023-03-21 19:11:37 | 2023-03-21 19:11:39 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
__int128_t bp(__int128_t a, __int128_t p) {
if (p == 0) return 1LL;
__int128_t ret = bp(a, p / 2);
ret *= ret;
if (p & 1) ret *= a;
return ret;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
long long nn, mm; cin >> nn >> mm;
__int128_t n = nn, m = mm;
int max_pow = ceil(pow(1e30, 1.0 / n));
__int128_t pw[max_pow + 1];
pw[0] = 1;
for (int i = 1; i <= max_pow; ++i) pw[i] = bp(i, n);
for (__int128_t p = 1; p <= max_pow; ++p) {
for (__int128_t q = 1; q <= max_pow; ++q) {
if (p < q)
if (m % (pw[q] - pw[q - p]) == 0) {
cout << (long long) p << ' '
<< (long long) q << '\n';
return 0;
}
}
}
cout << "impossible\n";
}
Details
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Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 3404kb
input:
13 382475111752106101
output:
impossible
result:
wrong answer 1st lines differ - expected: '17 28', found: 'impossible'