QOJ.ac
QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #412538 | #6566. Power of Divisors | grass8cow# | AC ✓ | 40ms | 7764kb | C++17 | 700b | 2024-05-16 15:53:34 | 2024-05-16 15:53:34 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll X;
const int n=1e6;
const ll I=1e18;
int d[1010000];
ll mu(ll x,ll y){if(x<=I/y)return x*y;return I+1;}
ll qpow(ll a,ll b){
ll c=1;
for(;b;b>>=1){
if(b&1)c=mu(a,c);
a=mu(a,a);
}
return c;
}
bool pri(ll x){
for(ll i=2;i*i<=x;i++)if(!(x%i))return 0;return 1;
}
int main(){
scanf("%lld",&X);
for(int i=1;i<=n;i++)for(int j=1;i*j<=n;j++)d[i*j]++;
for(int i=1;i<=n;i++)if(qpow(i,d[i])==X){printf("%d\n",i);return 0;}
ll O=(ll)sqrt(X);
while(O*O<X)O++;while(O*O>X)O--;
if(O*O==X&&pri(O)){printf("%lld\n",O);return 0;}
puts("-1");
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 19ms
memory: 7588kb
input:
15625
output:
25
result:
ok single line: '25'
Test #2:
score: 0
Accepted
time: 23ms
memory: 7764kb
input:
64000000
output:
20
result:
ok single line: '20'
Test #3:
score: 0
Accepted
time: 39ms
memory: 7376kb
input:
65536
output:
-1
result:
ok single line: '-1'
Test #4:
score: 0
Accepted
time: 16ms
memory: 7552kb
input:
1
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 34ms
memory: 7376kb
input:
10
output:
-1
result:
ok single line: '-1'
Test #6:
score: 0
Accepted
time: 38ms
memory: 7640kb
input:
100
output:
-1
result:
ok single line: '-1'
Test #7:
score: 0
Accepted
time: 19ms
memory: 7712kb
input:
10000
output:
10
result:
ok single line: '10'
Test #8:
score: 0
Accepted
time: 22ms
memory: 7732kb
input:
1000000000000000000
output:
100
result:
ok single line: '100'
Test #9:
score: 0
Accepted
time: 26ms
memory: 7724kb
input:
10372926089038969
output:
218089
result:
ok single line: '218089'
Test #10:
score: 0
Accepted
time: 23ms
memory: 7592kb
input:
10642944803293201
output:
10157
result:
ok single line: '10157'
Test #11:
score: 0
Accepted
time: 39ms
memory: 7652kb
input:
10646534823110209
output:
103182047
result:
ok single line: '103182047'
Test #12:
score: 0
Accepted
time: 23ms
memory: 7676kb
input:
1073741824
output:
32
result:
ok single line: '32'
Test #13:
score: 0
Accepted
time: 23ms
memory: 7492kb
input:
121
output:
11
result:
ok single line: '11'
Test #14:
score: 0
Accepted
time: 19ms
memory: 7636kb
input:
1296
output:
6
result:
ok single line: '6'
Test #15:
score: 0
Accepted
time: 34ms
memory: 7656kb
input:
16
output:
-1
result:
ok single line: '-1'
Test #16:
score: 0
Accepted
time: 25ms
memory: 7652kb
input:
16277421889
output:
127583
result:
ok single line: '127583'
Test #17:
score: 0
Accepted
time: 23ms
memory: 7548kb
input:
169
output:
13
result:
ok single line: '13'
Test #18:
score: 0
Accepted
time: 35ms
memory: 7608kb
input:
1985984
output:
-1
result:
ok single line: '-1'
Test #19:
score: 0
Accepted
time: 38ms
memory: 7380kb
input:
2
output:
-1
result:
ok single line: '-1'
Test #20:
score: 0
Accepted
time: 19ms
memory: 7708kb
input:
205891132094649
output:
243
result:
ok single line: '243'
Test #21:
score: 0
Accepted
time: 23ms
memory: 7648kb
input:
25
output:
5
result:
ok single line: '5'
Test #22:
score: 0
Accepted
time: 23ms
memory: 7680kb
input:
2626114239841
output:
1273
result:
ok single line: '1273'
Test #23:
score: 0
Accepted
time: 22ms
memory: 7704kb
input:
26269395104446321
output:
12731
result:
ok single line: '12731'
Test #24:
score: 0
Accepted
time: 40ms
memory: 7636kb
input:
3
output:
-1
result:
ok single line: '-1'
Test #25:
score: 0
Accepted
time: 19ms
memory: 7708kb
input:
3596345248055296
output:
88
result:
ok single line: '88'
Test #26:
score: 0
Accepted
time: 39ms
memory: 7512kb
input:
36
output:
-1
result:
ok single line: '-1'
Test #27:
score: 0
Accepted
time: 23ms
memory: 7652kb
input:
4
output:
2
result:
ok single line: '2'
Test #28:
score: 0
Accepted
time: 18ms
memory: 7552kb
input:
4096
output:
8
result:
ok single line: '8'
Test #29:
score: 0
Accepted
time: 18ms
memory: 7496kb
input:
49
output:
7
result:
ok single line: '7'
Test #30:
score: 0
Accepted
time: 34ms
memory: 7600kb
input:
5
output:
-1
result:
ok single line: '-1'
Test #31:
score: 0
Accepted
time: 35ms
memory: 7296kb
input:
576460752303423488
output:
-1
result:
ok single line: '-1'
Test #32:
score: 0
Accepted
time: 39ms
memory: 7728kb
input:
581431415926321
output:
24112889
result:
ok single line: '24112889'
Test #33:
score: 0
Accepted
time: 39ms
memory: 7596kb
input:
6
output:
-1
result:
ok single line: '-1'
Test #34:
score: 0
Accepted
time: 16ms
memory: 7672kb
input:
64
output:
4
result:
ok single line: '4'
Test #35:
score: 0
Accepted
time: 23ms
memory: 7528kb
input:
656100000000
output:
30
result:
ok single line: '30'
Test #36:
score: 0
Accepted
time: 38ms
memory: 7376kb
input:
7
output:
-1
result:
ok single line: '-1'
Test #37:
score: 0
Accepted
time: 18ms
memory: 7720kb
input:
729
output:
9
result:
ok single line: '9'
Test #38:
score: 0
Accepted
time: 38ms
memory: 7516kb
input:
8
output:
-1
result:
ok single line: '-1'
Test #39:
score: 0
Accepted
time: 39ms
memory: 7368kb
input:
81
output:
-1
result:
ok single line: '-1'
Test #40:
score: 0
Accepted
time: 23ms
memory: 7648kb
input:
8527674378686464
output:
452
result:
ok single line: '452'
Test #41:
score: 0
Accepted
time: 19ms
memory: 7728kb
input:
9
output:
3
result:
ok single line: '3'
Test #42:
score: 0
Accepted
time: 34ms
memory: 7704kb
input:
982134461213542729
output:
994009
result:
ok single line: '994009'
Test #43:
score: 0
Accepted
time: 19ms
memory: 7728kb
input:
9992002399680016
output:
9998
result:
ok single line: '9998'
Test #44:
score: 0
Accepted
time: 38ms
memory: 7484kb
input:
999269311525198921
output:
-1
result:
ok single line: '-1'
Test #45:
score: 0
Accepted
time: 35ms
memory: 7496kb
input:
999949000866995087
output:
-1
result:
ok single line: '-1'
Test #46:
score: 0
Accepted
time: 39ms
memory: 7372kb
input:
999995482005103081
output:
-1
result:
ok single line: '-1'
Test #47:
score: 0
Accepted
time: 39ms
memory: 7584kb
input:
999999969999997921
output:
-1
result:
ok single line: '-1'
Test #48:
score: 0
Accepted
time: 39ms
memory: 7644kb
input:
999999999999999989
output:
-1
result:
ok single line: '-1'
Test #49:
score: 0
Accepted
time: 38ms
memory: 7664kb
input:
999999999999999999
output:
-1
result:
ok single line: '-1'