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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#767766#5103. Fair DivisionWsyWA 0ms3956kbC++23910b2024-11-20 22:04:232024-11-20 22:04:24

Judging History

你现在查看的是最新测评结果

  • [2024-11-20 22:04:24]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3956kb
  • [2024-11-20 22:04:23]
  • 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) {
		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;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3820kb

input:

13 382475111752106101

output:

17 28

result:

ok single line: '17 28'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

59 576460752303423487

output:

1 2

result:

ok single line: '1 2'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3956kb

input:

15 227368755046033249

output:

13 14

result:

ok single line: '13 14'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

27 72027091647987988

output:

1 4

result:

ok single line: '1 4'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

12 817283057828223168

output:

10 17

result:

ok single line: '10 17'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3760kb

input:

40 279103330129289325

output:

1 2

result:

ok single line: '1 2'

Test #7:

score: -100
Wrong Answer
time: 0ms
memory: 3756kb

input:

9 200754090585004509

output:

impossible

result:

wrong answer 1st lines differ - expected: '27 31', found: 'impossible'