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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 |
---|---|---|---|---|---|---|---|---|---|
#709177 | #6566. Power of Divisors | tassei903 | AC ✓ | 16ms | 10804kb | Python3 | 1.2kb | 2024-11-04 12:33:18 | 2024-11-04 12:33:19 |
Judging History
answer
from math import floor
def f(n, e):
if e <= 4:
ok = 0
ng = 10 ** 18
while ng - ok > 1:
mid = ok + ng >> 1
if mid ** e <= n:
ok = mid
else:
ng = mid
if ok ** e == n:
return ok
else:
for x in range(1, 10 ** 18):
if x ** e > n:
return -1
if x ** e == n:
return x
return -1
def divisors(n):
a = []
i = 1
while i * i <= n:
if n % i == 0:
a.append(i)
if n // i != i:
a.append(n//i)
i += 1
return a
def solve():
n = int(input())
if n == 1:
print(1)
return
b, e = n, 1
for i in range(63, 1, -1):
x = f(n, i)
if x == -1:
continue
b, e = x, i
break
if e == 1:
print(-1)
return
ans = 10 ** 20
for j in sorted(divisors(e))[:-1]:
x = b ** j
if len(divisors(x)) == e // j:
print(x)
break
else:
print(-1)
solve()
# for _ in range(int(input())):
# solve()
詳細信息
Test #1:
score: 100
Accepted
time: 11ms
memory: 10764kb
input:
15625
output:
25
result:
ok single line: '25'
Test #2:
score: 0
Accepted
time: 12ms
memory: 10684kb
input:
64000000
output:
20
result:
ok single line: '20'
Test #3:
score: 0
Accepted
time: 11ms
memory: 10584kb
input:
65536
output:
-1
result:
ok single line: '-1'
Test #4:
score: 0
Accepted
time: 14ms
memory: 10656kb
input:
1
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 8ms
memory: 10688kb
input:
10
output:
-1
result:
ok single line: '-1'
Test #6:
score: 0
Accepted
time: 14ms
memory: 10636kb
input:
100
output:
-1
result:
ok single line: '-1'
Test #7:
score: 0
Accepted
time: 7ms
memory: 10604kb
input:
10000
output:
10
result:
ok single line: '10'
Test #8:
score: 0
Accepted
time: 14ms
memory: 10700kb
input:
1000000000000000000
output:
100
result:
ok single line: '100'
Test #9:
score: 0
Accepted
time: 14ms
memory: 10804kb
input:
10372926089038969
output:
218089
result:
ok single line: '218089'
Test #10:
score: 0
Accepted
time: 5ms
memory: 10768kb
input:
10642944803293201
output:
10157
result:
ok single line: '10157'
Test #11:
score: 0
Accepted
time: 5ms
memory: 10700kb
input:
10646534823110209
output:
103182047
result:
ok single line: '103182047'
Test #12:
score: 0
Accepted
time: 14ms
memory: 10656kb
input:
1073741824
output:
32
result:
ok single line: '32'
Test #13:
score: 0
Accepted
time: 14ms
memory: 10656kb
input:
121
output:
11
result:
ok single line: '11'
Test #14:
score: 0
Accepted
time: 4ms
memory: 10756kb
input:
1296
output:
6
result:
ok single line: '6'
Test #15:
score: 0
Accepted
time: 14ms
memory: 10768kb
input:
16
output:
-1
result:
ok single line: '-1'
Test #16:
score: 0
Accepted
time: 14ms
memory: 10580kb
input:
16277421889
output:
127583
result:
ok single line: '127583'
Test #17:
score: 0
Accepted
time: 14ms
memory: 10688kb
input:
169
output:
13
result:
ok single line: '13'
Test #18:
score: 0
Accepted
time: 12ms
memory: 10652kb
input:
1985984
output:
-1
result:
ok single line: '-1'
Test #19:
score: 0
Accepted
time: 3ms
memory: 10656kb
input:
2
output:
-1
result:
ok single line: '-1'
Test #20:
score: 0
Accepted
time: 14ms
memory: 10660kb
input:
205891132094649
output:
243
result:
ok single line: '243'
Test #21:
score: 0
Accepted
time: 9ms
memory: 10708kb
input:
25
output:
5
result:
ok single line: '5'
Test #22:
score: 0
Accepted
time: 14ms
memory: 10768kb
input:
2626114239841
output:
1273
result:
ok single line: '1273'
Test #23:
score: 0
Accepted
time: 15ms
memory: 10652kb
input:
26269395104446321
output:
12731
result:
ok single line: '12731'
Test #24:
score: 0
Accepted
time: 7ms
memory: 10700kb
input:
3
output:
-1
result:
ok single line: '-1'
Test #25:
score: 0
Accepted
time: 15ms
memory: 10588kb
input:
3596345248055296
output:
88
result:
ok single line: '88'
Test #26:
score: 0
Accepted
time: 15ms
memory: 10656kb
input:
36
output:
-1
result:
ok single line: '-1'
Test #27:
score: 0
Accepted
time: 15ms
memory: 10632kb
input:
4
output:
2
result:
ok single line: '2'
Test #28:
score: 0
Accepted
time: 5ms
memory: 10704kb
input:
4096
output:
8
result:
ok single line: '8'
Test #29:
score: 0
Accepted
time: 7ms
memory: 10756kb
input:
49
output:
7
result:
ok single line: '7'
Test #30:
score: 0
Accepted
time: 8ms
memory: 10712kb
input:
5
output:
-1
result:
ok single line: '-1'
Test #31:
score: 0
Accepted
time: 7ms
memory: 10652kb
input:
576460752303423488
output:
-1
result:
ok single line: '-1'
Test #32:
score: 0
Accepted
time: 10ms
memory: 10712kb
input:
581431415926321
output:
24112889
result:
ok single line: '24112889'
Test #33:
score: 0
Accepted
time: 3ms
memory: 10696kb
input:
6
output:
-1
result:
ok single line: '-1'
Test #34:
score: 0
Accepted
time: 14ms
memory: 10704kb
input:
64
output:
4
result:
ok single line: '4'
Test #35:
score: 0
Accepted
time: 14ms
memory: 10732kb
input:
656100000000
output:
30
result:
ok single line: '30'
Test #36:
score: 0
Accepted
time: 14ms
memory: 10656kb
input:
7
output:
-1
result:
ok single line: '-1'
Test #37:
score: 0
Accepted
time: 9ms
memory: 10804kb
input:
729
output:
9
result:
ok single line: '9'
Test #38:
score: 0
Accepted
time: 14ms
memory: 10700kb
input:
8
output:
-1
result:
ok single line: '-1'
Test #39:
score: 0
Accepted
time: 14ms
memory: 10768kb
input:
81
output:
-1
result:
ok single line: '-1'
Test #40:
score: 0
Accepted
time: 15ms
memory: 10640kb
input:
8527674378686464
output:
452
result:
ok single line: '452'
Test #41:
score: 0
Accepted
time: 14ms
memory: 10584kb
input:
9
output:
3
result:
ok single line: '3'
Test #42:
score: 0
Accepted
time: 15ms
memory: 10648kb
input:
982134461213542729
output:
994009
result:
ok single line: '994009'
Test #43:
score: 0
Accepted
time: 11ms
memory: 10688kb
input:
9992002399680016
output:
9998
result:
ok single line: '9998'
Test #44:
score: 0
Accepted
time: 13ms
memory: 10764kb
input:
999269311525198921
output:
-1
result:
ok single line: '-1'
Test #45:
score: 0
Accepted
time: 10ms
memory: 10648kb
input:
999949000866995087
output:
-1
result:
ok single line: '-1'
Test #46:
score: 0
Accepted
time: 16ms
memory: 10656kb
input:
999995482005103081
output:
-1
result:
ok single line: '-1'
Test #47:
score: 0
Accepted
time: 15ms
memory: 10760kb
input:
999999969999997921
output:
-1
result:
ok single line: '-1'
Test #48:
score: 0
Accepted
time: 12ms
memory: 10640kb
input:
999999999999999989
output:
-1
result:
ok single line: '-1'
Test #49:
score: 0
Accepted
time: 10ms
memory: 10704kb
input:
999999999999999999
output:
-1
result:
ok single line: '-1'