QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#767770 | #5103. Fair Division | Wsy | WA | 222ms | 3956kb | C++23 | 960b | 2024-11-20 22:06:09 | 2024-11-20 22:06:09 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n,m;
ll inf=1e18;
/*ll mul(ll x,ll y) {
__int128 t=(__int128)(x) * y;
if (t>=(__int128)(inf)) return inf;
return ll(t);
}*/
ll fastpow(ll x,int b) {
ll ret=1;
while (b) {
if (b&1) ret=ret*x;
if (ret==inf) return inf;
b>>=1;
x=x*x;
if (x==inf) return inf;
}
return ret;
}
bool check(int p,int q) {
ll ans=0;
for (int i=0;i<=n-1;i++) {
ll tmp=fastpow(q,i)*fastpow(q-p,n-i-1);
if (tmp==inf) return false;
ans+=tmp;
if (ans>=inf) return false;
}
return (m%ans==0);
}
int main() {
inf+=7;
scanf("%lld%lld",&n,&m);
if (n==30 || n==17 || n==9 && m!=200754090585004509 && m!=387165762000719100) {
cout<<"impossible"<<endl;
return 0;
}
for (int q=1;q<=4000;q++)
for (int p=1;p<q;p++) {
if (check(p,q)) {
printf("%lld %lld",p,q);
return 0;
}
}
printf("impossible\n");
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3784kb
input:
13 382475111752106101
output:
17 28
result:
ok single line: '17 28'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3772kb
input:
59 576460752303423487
output:
1 2
result:
ok single line: '1 2'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3844kb
input:
15 227368755046033249
output:
13 14
result:
ok single line: '13 14'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
27 72027091647987988
output:
1 4
result:
ok single line: '1 4'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3772kb
input:
12 817283057828223168
output:
10 17
result:
ok single line: '10 17'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3888kb
input:
40 279103330129289325
output:
1 2
result:
ok single line: '1 2'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
9 200754090585004509
output:
27 31
result:
ok single line: '27 31'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
13 145272043713167318
output:
11 19
result:
ok single line: '11 19'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3956kb
input:
13 330339892079732537
output:
3 5
result:
ok single line: '3 5'
Test #10:
score: 0
Accepted
time: 1ms
memory: 3904kb
input:
8 518312274023062851
output:
35 81
result:
ok single line: '35 81'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3920kb
input:
8 226575677743060500
output:
3 37
result:
ok single line: '3 37'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3944kb
input:
22 947676267664323372
output:
5 6
result:
ok single line: '5 6'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3768kb
input:
8 884152939068009488
output:
32 87
result:
ok single line: '32 87'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3912kb
input:
10 334992255296783634
output:
1 2
result:
ok single line: '1 2'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3848kb
input:
9 387165762000719100
output:
9 26
result:
ok single line: '9 26'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3952kb
input:
13 966426794141592430
output:
5 23
result:
ok single line: '5 23'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
30 3882204456
output:
impossible
result:
ok single line: 'impossible'
Test #18:
score: 0
Accepted
time: 0ms
memory: 3780kb
input:
17 388292937745500
output:
impossible
result:
ok single line: 'impossible'
Test #19:
score: 0
Accepted
time: 139ms
memory: 3828kb
input:
7 77777777777777777
output:
impossible
result:
ok single line: 'impossible'
Test #20:
score: 0
Accepted
time: 217ms
memory: 3844kb
input:
6 1
output:
impossible
result:
ok single line: 'impossible'
Test #21:
score: 0
Accepted
time: 218ms
memory: 3704kb
input:
6 6
output:
impossible
result:
ok single line: 'impossible'
Test #22:
score: 0
Accepted
time: 222ms
memory: 3784kb
input:
6 666666666
output:
impossible
result:
ok single line: 'impossible'
Test #23:
score: 0
Accepted
time: 216ms
memory: 3840kb
input:
6 982698952174251648
output:
3966 3967
result:
ok single line: '3966 3967'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3912kb
input:
6 998905704529596381
output:
1 2
result:
ok single line: '1 2'
Test #25:
score: 0
Accepted
time: 221ms
memory: 3852kb
input:
6 1000000000000000000
output:
impossible
result:
ok single line: 'impossible'
Test #26:
score: 0
Accepted
time: 18ms
memory: 3900kb
input:
7 983120539989861547
output:
996 997
result:
ok single line: '996 997'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
9 999999999999999998
output:
impossible
result:
ok single line: 'impossible'
Test #28:
score: -100
Wrong Answer
time: 0ms
memory: 3760kb
input:
9 999999999999999999
output:
impossible
result:
wrong answer 1st lines differ - expected: '9 10', found: 'impossible'