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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 Division | Wsy | WA | 0ms | 3956kb | C++23 | 910b | 2024-11-20 22:04:23 | 2024-11-20 22:04:24 |
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) {
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'