QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#352617 | #5103. Fair Division | PorNPtree# | WA | 20ms | 4072kb | C++14 | 1.2kb | 2024-03-13 14:16:49 | 2024-03-13 14:16:50 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
__float128 mypow(__float128 t, int n)
{
__float128 z = 1;
for (int i = 1; i <= n; ++i) {
z *= t;
}
return z;
}
__float128 floor(__float128 x)
{
return floor((long double)x + 0.5);
}
__float128 fabs(__float128 x)
{
return x > 0 ? x : -x;
}
__float128 tp[105];
signed main()
{
int n;
long long m;
scanf("%d%lld", &n, &m);
if (n < 100) {
for (int q = 2; q <= 100; ++q) {
for (int p = q - 1; p; --p) {
tp[0] = 1;
tp[1] = 1;
for (int z = 2; z <= n; ++z) {
tp[z] = tp[z - 1] * (__float128)p / q;
tp[0] += tp[z];
}
__float128 now = m / tp[0];
int flg = 1;
for (int i = 1; i <= n; ++i) {
flg &= (fabs(now * tp[i] - floor(now * tp[i])) < 1e-6);
}
if (flg) {
printf("%d %d\n", q - p, q);
return 0;
}
}
}
}
puts("impossible");
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3768kb
input:
13 382475111752106101
output:
17 28
result:
ok single line: '17 28'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3832kb
input:
59 576460752303423487
output:
1 2
result:
ok single line: '1 2'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3860kb
input:
15 227368755046033249
output:
13 14
result:
ok single line: '13 14'
Test #4:
score: 0
Accepted
time: 0ms
memory: 4072kb
input:
27 72027091647987988
output:
1 4
result:
ok single line: '1 4'
Test #5:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
12 817283057828223168
output:
10 17
result:
ok single line: '10 17'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
40 279103330129289325
output:
1 2
result:
ok single line: '1 2'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
9 200754090585004509
output:
27 31
result:
ok single line: '27 31'
Test #8:
score: 0
Accepted
time: 1ms
memory: 3832kb
input:
13 145272043713167318
output:
11 19
result:
ok single line: '11 19'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
13 330339892079732537
output:
3 5
result:
ok single line: '3 5'
Test #10:
score: 0
Accepted
time: 4ms
memory: 3784kb
input:
8 518312274023062851
output:
35 81
result:
ok single line: '35 81'
Test #11:
score: 0
Accepted
time: 1ms
memory: 3756kb
input:
8 226575677743060500
output:
3 37
result:
ok single line: '3 37'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
22 947676267664323372
output:
5 6
result:
ok single line: '5 6'
Test #13:
score: 0
Accepted
time: 4ms
memory: 3812kb
input:
8 884152939068009488
output:
32 87
result:
ok single line: '32 87'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
10 334992255296783634
output:
1 2
result:
ok single line: '1 2'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
9 387165762000719100
output:
9 26
result:
ok single line: '9 26'
Test #16:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
13 966426794141592430
output:
5 23
result:
ok single line: '5 23'
Test #17:
score: 0
Accepted
time: 20ms
memory: 3584kb
input:
30 3882204456
output:
impossible
result:
ok single line: 'impossible'
Test #18:
score: 0
Accepted
time: 12ms
memory: 3720kb
input:
17 388292937745500
output:
impossible
result:
ok single line: 'impossible'
Test #19:
score: 0
Accepted
time: 2ms
memory: 3592kb
input:
7 77777777777777777
output:
impossible
result:
ok single line: 'impossible'
Test #20:
score: 0
Accepted
time: 4ms
memory: 3608kb
input:
6 1
output:
impossible
result:
ok single line: 'impossible'
Test #21:
score: 0
Accepted
time: 4ms
memory: 3908kb
input:
6 6
output:
impossible
result:
ok single line: 'impossible'
Test #22:
score: 0
Accepted
time: 4ms
memory: 3948kb
input:
6 666666666
output:
impossible
result:
ok single line: 'impossible'
Test #23:
score: -100
Wrong Answer
time: 4ms
memory: 3720kb
input:
6 982698952174251648
output:
impossible
result:
wrong answer 1st lines differ - expected: '3966 3967', found: 'impossible'