QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#767770#5103. Fair DivisionWsyWA 222ms3956kbC++23960b2024-11-20 22:06:092024-11-20 22:06:09

Judging History

你现在查看的是最新测评结果

  • [2024-11-20 22:06:09]
  • 评测
  • 测评结果:WA
  • 用时:222ms
  • 内存:3956kb
  • [2024-11-20 22:06:09]
  • 提交

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'